WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F16K　VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L 55/07)}

F16K 1/00 Lift valves {or globe valves}, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces ({in combination with sliding valves F16K 3/246, F16K 3/267}; diaphragm valves F16K 7/00)

F16K 1/02 ・with screw-spindle (F16K 1/12 to F16K 1/28 take precedence; actuating mechanisms with screw-spindles F16K 31/50)

F16K 1/04 ・・with a cut-off member rigid with the spindle, e.g. main valves

F16K 1/06 ・・Special arrangements for improving the flow, e.g. special shape of passages or casings

F16K 1/08 ・・・in which the spindle is perpendicular to the general direction of flow

F16K 1/10 ・・・in which the spindle is inclined to the general direction of flow

F16K 1/12 ・with streamlined valve member around which the fluid flows when the valve is opened

F16K 1/123 ・・{with stationary valve member and moving sleeve}

F16K 1/126 ・・{actuated by fluid}

F16K 1/14 ・with ball-shaped valve member (check valves F16K 15/04)

F16K 1/16 ・with pivoted closure-members

F16K 1/165 ・・{with a plurality of closure members}

F16K 1/18 ・・with pivoted discs or flaps

F16K 1/20 ・・・with axis of rotation arranged externally of valve member

F16K 1/2007 ・・・・{specially adapted operating means therefor (operating means per se F16K 31/00)}

F16K 1/2014 ・・・・{Shaping of the valve member}

F16K 1/2021 ・・・・{with a plurality of valve members}

F16K 1/2028 ・・・・{Details of bearings for the axis of rotation}

F16K 1/2035 ・・・・・{the axis of rotation having only one bearing}

F16K 1/2042 ・・・・{Special features or arrangements of the sealing}

F16K 1/205 ・・・・・{the sealing being arranged on the valve member}

F16K 1/2057 ・・・・・{the sealing being arranged on the valve seat}

F16K 1/2064 ・・・・・・{with a channel- or U-shaped seal covering a central body portion}

F16K 1/2071 ・・・・・・{and being forced into sealing contact with the valve member by a spring or a spring-like member}

F16K 1/2078 ・・・・・{Sealing means for the axis of rotation}

F16K 1/2085 ・・・・・{Movable sealing bodies}

F16K 1/2092 ・・・・・・{the movement being caused by the flowing medium}

F16K 1/22 ・・・with axis of rotation crossing the valve member, e.g. butterfly valves

F16K 1/221 ・・・・{specially adapted operating means therefor (operating means per se F16K 31/00)}

F16K 1/222 ・・・・{Shaping of the valve member}

F16K 1/223 ・・・・{with a plurality of valve members}

F16K 1/224 ・・・・{Details of bearings for the axis of rotation}

F16K 1/225 ・・・・・{the axis of rotation having only one bearing}

F16K 1/226 ・・・・Shaping or arrangements of the sealing

F16K 1/2261 ・・・・・{the sealing being arranged on the valve member}

F16K 1/2263 ・・・・・{the sealing being arranged on the valve seat}

F16K 1/2265 ・・・・・・{with a channel- or U-shaped seal covering a central body portion}

F16K 1/2266 ・・・・・・{and being forced into sealing contact with the valve member by a spring or a spring-like member}

F16K 1/2268 ・・・・・{Sealing means for the axis of rotation}

F16K 1/228 ・・・・・Movable sealing bodies

F16K 1/2285 ・・・・・・{the movement being caused by the flowing medium}

F16K 1/24 ・with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat

F16K 1/26 ・・Shape or arrangement of the sealing {Not used}

F16K 1/28 ・・・Movable sealing bodies {Not used}

F16K 1/30 ・specially adapted for pressure containers

F16K 1/301 ・・{only shut-off valves, i.e. valves without additional means}

F16K 1/302 ・・・{with valve member and actuator on the same side of the seat}

F16K 1/303 ・・・{with a valve member, e.g. stem or shaft, passing through the seat}

F16K 1/304 ・・{Shut-off valves with additional means}

F16K 1/305 ・・・{with valve member and actuator on the same side of the seat}

F16K 1/306 ・・・{with a valve member, e.g. stem or shaft, passing through the seat}

F16K 1/307 ・・{Additional means used in combination with the main valve}

F16K 1/308 ・・{Connecting means}

F16K 1/32 ・Details (details of more general applicability F16K 25/00 to F16K 51/00)

F16K 1/34 ・・Cutting-off parts, e.g. valve members, seats (F16K 1/06, F16K 1/12, F16K 1/14, F16K 1/26 take precedence)

F16K 1/36 ・・・Valve members (for double-seat valves F16K 1/44){for butterfly valves F16K 1/222, F16K 1/223}

F16K 1/38 ・・・・of conical shape

F16K 1/385 ・・・・・{contacting in the closed position, over a substantial axial length, a seat surface having the same inclination}

F16K 1/40 ・・・・of helical shape

F16K 1/42 ・・・Valve seats (for double-seat valves F16K 1/44)

F16K 1/422 ・・・・{attachable by a threaded connection to the housing}

F16K 1/425 ・・・・{Attachment of the seat to the housing by plastical deformation, e.g. valve seat or housing being plastically deformed during mounting}

F16K 1/427 ・・・・{Attachment of the seat to the housing by one or more additional fixing elements}

F16K 1/44 ・・・Details of seats or valve members of double-seat valves

F16K 1/443 ・・・・{the seats being in series}

F16K 1/446 ・・・・・{with additional cleaning or venting means between the two seats}

F16K 1/46 ・・・Attachment of sealing rings

F16K 1/465 ・・・・{to the valve seats}

F16K 1/48 ・・Attaching valve members to screw-spindles

F16K 1/482 ・・・{with a collar on the spindle or a groove in the spindle, by which a fixing element is supported, the spindle reaching into the valve member}

F16K 1/485 ・・・・{with a groove in the spindle}

F16K 1/487 ・・・{by a fixing element extending in the axial direction of the spindle, e.g. a screw}

F16K 1/50 ・・Preventing rotation of valve members

F16K 1/52 ・・Means for additional adjustment of the rate of flow

F16K 1/523 ・・・{for limiting the maximum flow rate, using a stop}

F16K 1/526 ・・・{for limiting the maximum flow rate, using a second valve}

F16K 1/54 ・・Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

F16K 3/00 Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (F16K 5/00 takes precedence; in barrages or weirs E02B 8/04)

F16K 3/02 ・with flat sealing faces; Packings therefor

F16K 3/0209 ・・{the valve having a particular passage, e.g. provided with a filter, throttle or safety device}

F16K 3/0218 ・・{with only one sealing face}

F16K 3/0227 ・・{Packings}

F16K 3/0236 ・・・{the packing being of a non-resilient material, e.g. ceramic, metal}

F16K 3/0245 ・・{Curtain gate valves}

F16K 3/0254 ・・{being operated by particular means}

F16K 3/0263 ・・{using particular material or covering means}

F16K 3/0272 ・・{permitting easy assembly or disassembly}

F16K 3/0281 ・・{Guillotine or blade-type valves, e.g. no passage through the valve member}

F16K 3/029 ・・{with two or more gates}

F16K 3/03 ・・with a closure member in the form of an iris-diaphragm

F16K 3/04 ・・with pivoted closure members

F16K 3/06 ・・・in the form of closure plates arranged between supply and discharge passages (F16K 3/10 takes precedence)

F16K 3/08 ・・・・with circular plates rotatable around their centres

F16K 3/085 ・・・・・{the axis of supply passage and the axis of discharge passage being coaxial and parallel to the axis of rotation of the plates}

F16K 3/10 ・・・with special arrangements for separating the sealing faces or for pressing them together

F16K 3/12 ・・with wedge-shaped arrangements of sealing faces

F16K 3/14 ・・・with special arrangements for separating the sealing faces or for pressing them together

F16K 3/16 ・・with special arrangements for separating the sealing faces or for pressing them together (F16K 3/10, F16K 3/14 take precedence)

F16K 3/18 ・・・by movement of the closure members

F16K 3/182 ・・・・{by means of toggle links}

F16K 3/184 ・・・・{by means of cams}

F16K 3/186 ・・・・・{by means of cams of wedge from}

F16K 3/188 ・・・・{by means of hydraulic forces}

F16K 3/20 ・・・by movement of the seats

F16K 3/202 ・・・・{by movement of toggle links}

F16K 3/205 ・・・・{by means of cams}

F16K 3/207 ・・・・{by means of hydraulic forces}

F16K 3/22 ・with sealing faces shaped as surfaces of solids of revolution (F16K 13/02 takes precedence; with resilient valve members F16K 3/28)

F16K 3/24 ・・with cylindrical valve members

F16K 3/243 ・・・{Packings (F16K 3/246 takes precedence)}

F16K 3/246 ・・・{Combination of a sliding valve and a lift valve}

F16K 3/26 ・・・with fluid passages in the valve member

F16K 3/262 ・・・・{with a transverse bore in the valve member}

F16K 3/265 ・・・・{with a sleeve sliding in the direction of the flow line}

F16K 3/267 ・・・・{Combination of a sliding valve and a lift valve (F16K 3/262, F16K 3/265 take precedence)}

F16K 3/28 ・with resilient valve members

F16K 3/30 ・Details

F16K 3/312 ・・Line blinds

F16K 3/314 ・・Forms or construction of slides; Attachment of the slide to the spindle

F16K 3/316 ・・Guiding of the slide

F16K 3/3165 ・・・{with rollers or balls}

F16K 3/32 ・・Means for additional adjustment of the rate of flow

F16K 3/34 ・・Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

F16K 3/36 ・・Features relating to lubrication

F16K 5/00 {Plug valves;} Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (taps of the lift-valve type F16K 1/00)

F16K 5/02 ・with plugs having conical surfaces; Packings therefor

F16K 5/0207 ・・{with special plug arrangement, e.g. special shape or built in means}

F16K 5/0214 ・・{Plug channel at 90 degrees to the inlet}

F16K 5/0221 ・・{Fixed plug and turning sleeve}

F16K 5/0228 ・・{with a conical segment mounted around a supply pipe}

F16K 5/0235 ・・{with the angle the spindle makes housing being other than 90 degrees}

F16K 5/0242 ・・{Spindles and actuating means}

F16K 5/025 ・・{Particular coverings or materials}

F16K 5/0257 ・・{Packings}

F16K 5/0264 ・・・[N. in the housing]

F16K 5/0271 ・・・{between housing and plug}

F16K 5/0278 ・・・{on the plug}

F16K 5/0285 ・・・{spindle sealing}

F16K 5/0292 ・・{Easy mounting or dismounting means}

F16K 5/04 ・with plugs having cylindrical surfaces; Packings therefor

F16K 5/0407 ・・{with particular plug arrangements, e.g. particular shape or built-in means}

F16K 5/0414 ・・{Plug channel at 90 degrees to the inlet}

F16K 5/0421 ・・{Fixed plug and turning sleeve}

F16K 5/0428 ・・{with a cylindrical segment mounted around a supply pipe}

F16K 5/0435 ・・{the angle the spindle makes with the housing being other than 90 degrees}

F16K 5/0442 ・・{Spindles and actuating means}

F16K 5/045 ・・{Particular coverings and materials}

F16K 5/0457 ・・{Packings}

F16K 5/0464 ・・・{in the housing}

F16K 5/0471 ・・・{between housing and plug}

F16K 5/0478 ・・・{on the plug}

F16K 5/0485 ・・・{Spindle sealing}

F16K 5/0492 ・・{Easy mounting or dismounting means}

F16K 5/06 ・with plugs having spherical surfaces; Packings therefor

F16K 5/0605 ・・{with particular plug arrangements, e.g. particular shape or built-in means}

F16K 5/061 ・・{knee-joint}

F16K 5/0615 ・・{the angle the spindle makes with the housing being other than 90 degrees}

F16K 5/0621 ・・{with a spherical segment mounted around a supply pipe}

F16K 5/0626 ・・{Easy mounting or dismounting means}

F16K 5/0631 ・・・{between two flanges}

F16K 5/0636 ・・・{the spherical plug being insertable from the top of the housing}

F16K 5/0642 ・・・{the spherical plug being insertable from one and only one side of the housing}

F16K 5/0647 ・・{Spindles or actuating means}

F16K 5/0652 ・・・{for remote operation}

F16K 5/0657 ・・{Particular coverings or materials}

F16K 5/0663 ・・{Packings}

F16K 5/0668 ・・・{Single packings}

F16K 5/0673 ・・・{Composite packings}

F16K 5/0678 ・・・・{in which only one of the components of the composite packing is contacting the plug}

F16K 5/0684 ・・・{on the plug}

F16K 5/0689 ・・・{between housing and plug}

F16K 5/0694 ・・・{Spindle sealings}

F16K 5/08 ・Details

F16K 5/10 ・・Means for additional adjustment of the rate of flow

F16K 5/103 ・・・{specially adapted for gas valves}

F16K 5/106 ・・・・{with pilot flame}

F16K 5/12 ・・Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

F16K 5/14 ・・Special arrangements for separating the sealing faces or for pressing them together

F16K 5/16 ・・・for plugs with conical surfaces

F16K 5/161 ・・・・{with the housing or parts of the housing mechanically pressing the seal against the plug}

F16K 5/162 ・・・・{with the plugs or parts of the plugs mechanically pressing the seal against the housing}

F16K 5/163 ・・・・・{adjustable in height}

F16K 5/165 ・・・・・{Means pressing on the small diameter}

F16K 5/166 ・・・・・{Means pressing on the large diameter}

F16K 5/167 ・・・・・{Means pressing radially}

F16K 5/168 ・・・・{Sealing effected by the flowing medium}

F16K 5/18 ・・・for plugs with cylindrical surfaces

F16K 5/181 ・・・・{with the housing or parts of the housing mechanically pressing the seals against the plugs}

F16K 5/182 ・・・・・{by means of conical surfaces}

F16K 5/184 ・・・・{with the plugs or parts of the plugs mechanically pressing the seals against the housing}

F16K 5/185 ・・・・・{by means of conical surfaces}

F16K 5/187 ・・・・・{with rolling action}

F16K 5/188 ・・・・{Sealing effected by the flowing medium}

F16K 5/20 ・・・for plugs with spherical surfaces

F16K 5/201 ・・・・{with the housing or parts of the housing mechanically pressing the seal against the plug}

F16K 5/202 ・・・・・{with conical surfaces}

F16K 5/204 ・・・・{with the plugs or parts of the plugs mechanically pressing the seals against the housing}

F16K 5/205 ・・・・{Sealing effected by the flowing medium}

F16K 5/207 ・・・・・{using bellows}

F16K 5/208 ・・・・・{with tongue-shaped means}

F16K 5/22 ・・Features relating to lubrication

F16K 5/222 ・・・{for plugs with conical surfaces}

F16K 5/225 ・・・{for plugs with cylindrical surfaces}

F16K 5/227 ・・・{for plugs with spherical surfaces}

F16K 7/00 Diaphragm {valves or} cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B65D 90/56; means for plugging pipes or hoses F16L 55/10){Pinch valves}

F16K 7/02 ・with tubular diaphragm

F16K 7/04 ・・constrictable by external radial force

F16K 7/045 ・・・{by electric or magnetic means}

F16K 7/06 ・・・by means of a screw-spindle, cam, or other mechanical means {(F16K 7/045 takes precedence)}

F16K 7/061 ・・・・{Screw clamps}

F16K 7/063 ・・・・{Lever clamps}

F16K 7/065 ・・・・{Cam clamps}

F16K 7/066 ・・・・{Wedge clamps}

F16K 7/068 ・・・・{by bending the hose}

F16K 7/07 ・・・by means of fluid pressure

F16K 7/075 ・・・・{a rigid body being located within the tubular diaphragm}

F16K 7/08 ・・constrictable by twisting

F16K 7/10 ・with inflatable member

F16K 7/12 ・with flat, dished, or bowl-shaped diaphragm

F16K 7/123 ・・{the seat being formed on the bottom of the fluid line}

F16K 7/126 ・・{the seat being formed on a rib perpendicular to the fluid line}

F16K 7/14 ・・arranged to be deformed against a flat seat

F16K 7/16 ・・・the diaphragm being mechanically actuated, e.g. by screw-spindle or cam

F16K 7/17 ・・・the diaphragm being actuated by fluid pressure

F16K 7/18 ・with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action

F16K 7/20 ・with a compressible solid closure member

F16K 11/00 Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves

F16K 11/02 ・with all movable sealing faces moving as one unit

F16K 11/022 ・・{comprising a deformable member}

F16K 11/025 ・・・{with an O-ring}

F16K 11/027 ・・・{the fluid flowing through a constrictable tubular diaphragm}

F16K 11/04 ・・comprising only lift valves

F16K 11/044 ・・・with movable valve members positioned between valve seats

F16K 11/0445 ・・・・{Bath/shower selectors}

F16K 11/048 ・・・with valve seats positioned between movable valve members

F16K 11/052 ・・・with pivoted closure members, e.g. butterfly valves

F16K 11/0525 ・・・・{the closure members being pivoted around an essentially central axis}

F16K 11/056 ・・・with ball-shaped valve members

F16K 11/0565 ・・・・{moving in a combined straight line and rotating movement}

F16K 11/06 ・・comprising only sliding valves, {i.e. sliding closure elements}

F16K 11/065 ・・・with linearly sliding closure members

F16K 11/0655 ・・・・{with flat slides}

F16K 11/07 ・・・・with cylindrical slides

F16K 11/0704 ・・・・・{comprising locking elements}

F16K 11/0708 ・・・・・{comprising means to avoid jamming of the slide or means to modify the flow}

F16K 11/0712 ・・・・・{comprising particular spool-valve sealing means}

F16K 11/0716 ・・・・・{with flluid passages through the valve member (F16K 11/0704, F16K 11/0708, F16K 11/0712 take precedence)}

F16K 11/072 ・・・with pivoted closure members

F16K 11/074 ・・・・with flat sealing faces

F16K 11/0743 ・・・・・{with both the supply and the discharge passages being on one side of the closure plates}

F16K 11/0746 ・・・・・{with two or more closure plates comprising a single lever control}

F16K 11/076 ・・・・with sealing faces shaped as surfaces of solids of revolution

F16K 11/078 ・・・with pivoted and linearly movable closure members

F16K 11/0782 ・・・・{Single-lever operated mixing valves with closure members having flat sealing faces}

F16K 11/0785 ・・・・・{the movable closure member being pivotally supported at one point and being linked to the operating lever at only one other point}

F16K 11/0787 ・・・・・{with both the supply and the discharge passages being on the same side of the closure members (F16K 11/0785 takes precedence)}

F16K 11/08 ・・comprising only taps or cocks

F16K 11/083 ・・・with tapered plug

F16K 11/0833 ・・・・{having all the connecting conduits situated in a single plane perpendicular to the axis of the plug}

F16K 11/0836 ・・・・{having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug}

F16K 11/085 ・・・with cylindrical plug

F16K 11/0853 ・・・・{having all the connecting conduits situated in a single plane perpendicular to the axis of the plug}

F16K 11/0856 ・・・・{having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug}

F16K 11/087 ・・・with spherical plug

F16K 11/0873 ・・・・{the plug being only rotatable around one spindle}

F16K 11/0876 ・・・・・{one connecting conduit having the same axis as the spindle}

F16K 11/10 ・with two or more closure members not moving as an unit

F16K 11/105 ・・{Three-way check or safety valves with two or more closure members}

F16K 11/12 ・・with one plug turning in another

F16K 11/14 ・・operated by one actuating member, e.g. a handle (with one plug turning in another F16K 11/12)

F16K 11/16 ・・・which only slides, or only turns, or only swings in one plane

F16K 11/161 ・・・・{only slides}

F16K 11/163 ・・・・{only turns}

F16K 11/165 ・・・・・{with the rotating spindles parallel to the closure members}

F16K 11/166 ・・・・・{with the rotating spindles at right angles to the closure members}

F16K 11/168 ・・・・{only swings}

F16K 11/18 ・・・with separate operating movements for separate closure members

F16K 11/185 ・・・・{with swinging shafts}

F16K 11/20 ・・operated by separate actuating members (with one plug turning in another F16K 11/12)

F16K 11/202 ・・・{with concentric handles}

F16K 11/205 ・・・{with two handles at right angles to each other}

F16K 11/207 ・・・{with two handles or actuating mechanisms at opposite sides of the housing}

F16K 11/22 ・・・with an actuating member for each valve, e.g. interconnected to form multiple-way valves

F16K 11/24 ・・・with an electromagnetically-operated valve, e.g. for washing machines

F16K 13/00 Other constructional types of cut-off apparatus (means for plugging pipes or hoses F16L 55/10); Arrangements for cutting-off

F16K 13/02 ・with both sealing faces shaped as small segments of a cylinder and the moving member pivotally mounted

F16K 13/04 ・with a breakable closure member

F16K 13/06 ・・constructed to be ruptured by an explosion

F16K 13/08 ・Arrangements for cutting-off {not used}

F16K 13/10 ・・by means of liquid or granular medium

F16K 15/00 Check valves (valves specially adapted for inflatable balls A63B 41/00)

F16K 15/02 ・with guided rigid valve members

F16K 15/021 ・・{the valve member being a movable body around which the medium flows when the valve is open (F16K 15/025 to F16K 15/12 take precedence)}

F16K 15/023 ・・・{the valve member consisting only of a predominantly disc-shaped flat element}

F16K 15/025 ・・{the valve being loaded by a helicoidal spring (F16K 15/03 to F16K 15/12 take precedence)}

F16K 15/026 ・・・{the valve member being a movable body around which the medium flows when the valve is open}

F16K 15/028 ・・・・{the valve member consisting only of a predominantly disc-shaped flat element}

F16K 15/03 ・・with a hinged closure member

F16K 15/031 ・・・{the hinge being flexible (F16K 15/035 takes precedence)}

F16K 15/033 ・・・{spring-loaded (F16K 15/035 takes precedence)}

F16K 15/035 ・・・{with a plurality of valve members}

F16K 15/036 ・・・・{Dual valve members with hinges crossing the flow line substantially diametrical}

F16K 15/038 ・・・・・{having a common hinge}

F16K 15/04 ・・shaped as balls

F16K 15/042 ・・・{with a plurality of balls}

F16K 15/044 ・・・{spring-loaded (F16K 15/042 takes precedence)}

F16K 15/046 ・・・・{by a spring other than a helicoidal spring}

F16K 15/048 ・・・{Ball features}

F16K 15/06 ・・with guided stems

F16K 15/063 ・・・{the valve being loaded by a helicoidal spring}

F16K 15/066 ・・・・{with a plurality of valve members}

F16K 15/08 ・・shaped as rings

F16K 15/10 ・・・integral with, or rigidly fixed to, a common valve plate

F16K 15/12 ・・・Springs for ring valves

F16K 15/14 ・with flexible valve members

F16K 15/141 ・・{the closure elements not being fixed to the valve body}

F16K 15/142 ・・・{the closure elements being shaped as solids of revolution, e.g. toroidal or cylindrical rings}

F16K 15/144 ・・{the closure elements being fixed along all or a part of their periphery}

F16K 15/145 ・・・{the closure elements being shaped as a solids of revolution, e.g. cylindrical or conical}

F16K 15/147 ・・・{the closure elements having specially formed slits or being of an elongated easily collapsible form}

F16K 15/148 ・・{the closure elements being fixed in their centre}

F16K 15/16 ・・with tongue-shaped laminae

F16K 15/18 ・with actuating mechanism; Combined check valves and actuated valves

F16K 15/181 ・・{for check valves with a hinged closure member (F16K 15/188 takes precedence)}

F16K 15/183 ・・{for ball check valves (F16K 15/186, F16K 15/188 take precedence)}

F16K 15/185 ・・{for check valves with flexible valve members (F16K 15/188 takes precedence)}

F16K 15/186 ・・{Check valves which can be actuated by a pilot valve}

F16K 15/188 ・・{Check valves combined with valves having a rotating tap or cock}

F16K 15/20 ・specially designed for inflatable bodies, e.g. tyres (connecting valves to inflatable bodies B60C 29/00)

F16K 15/202 ・・{and with flexible valve member}

F16K 15/205 ・・{and with closure plug}

F16K 15/207 ・・{and combined with other valves, e.g. safety valves}

F16K 17/00 Safety valves; Equalising valves, {e.g. pressure relief valves}

F16K 17/003 ・{reacting to pressure and temperature}

F16K 17/006 ・{specially adapted for shelters}

F16K 17/02 ・opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K 15/00)

F16K 17/025 ・・[N: and remaining open after return of the normal pressure

F16K 17/04 ・・spring-loaded

F16K 17/0406 ・・・{in the form of balls}

F16K 17/0413 ・・・{in the form of closure plates}

F16K 17/042 ・・・{with locking or disconnecting arrangements}

F16K 17/0426 ・・・{with seat protecting means}

F16K 17/0433 ・・・{with vibration preventing means}

F16K 17/044 ・・・{with more than one spring}

F16K 17/0446 ・・・{with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces}

F16K 17/0453 ・・・・{the member being a diaphragm}

F16K 17/046 ・・・・{the valve being of the gate valve type or the sliding valve type}

F16K 17/0466 ・・・{with a special seating surface}

F16K 17/0473 ・・・{Multiple-way safety valves}

F16K 17/048 ・・・{combined with other safety valves, or with pressure control devices}

F16K 17/0486 ・・・{with mechanical actuating means}

F16K 17/0493 ・・・{with a spring other than a helicoidal spring}

F16K 17/06 ・・・with special arrangements for adjusting the opening pressure

F16K 17/065 ・・・・{with differential piston}

F16K 17/08 ・・・with special arrangements for providing a large discharge passage

F16K 17/082 ・・・・{with piston}

F16K 17/085 ・・・・{with diaphragm}

F16K 17/087 ・・・・{with bellows}

F16K 17/10 ・・・with auxiliary valve for fluid operation of the main valve

F16K 17/105 ・・・・{using choking or throttling means to control the fluid operation of the main valve}

F16K 17/12 ・・weight-loaded

F16K 17/14 ・・with fracturing member

F16K 17/16 ・・・with fracturing diaphragm; {Rupture discs}

F16K 17/1606 ・・・・{of the reverse-buckling-type (F16K 17/1633 takes precedence)}

F16K 17/1613 ・・・・・{with additional cutting means}

F16K 17/162 ・・・・{of the non reverse-buckling-type (F16K 17/1633 takes precedence)}

F16K 17/1626 ・・・・・{with additional cutting means}

F16K 17/1633 ・・・・{made of graphite}

F16K 17/164 ・・and remaining closed after return of the normal pressure

F16K 17/168 ・・combined with manually-controlled valves, e.g. a valve combined with a safety valve

F16K 17/18 ・opening on surplus pressure on either side

F16K 17/19 ・・Equalising valves predominantly for tanks {when combined with safety valve by change of position F16K 17/36}

F16K 17/192 ・・・with closure member in the form of a movable liquid column

F16K 17/194 ・・・weight-loaded

F16K 17/196 ・・・spring-loaded

F16K 17/20 ・Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K 17/36)

F16K 17/205 ・・{specially adapted for flexible gas lines}

F16K 17/22 ・・actuated by the difference of pressure between two places in the flow line

F16K 17/24 ・・・acting directly on the cutting-off member

F16K 17/26 ・・・・operating in either direction

F16K 17/28 ・・・・operating in one direction only

F16K 17/285 ・・・・・{the cutting-off member being a ball (F16K 17/30 takes precedence)}

F16K 17/30 ・・・・・spring-loaded

F16K 17/32 ・・・acting on a servo-mechanism or on a catch-releasing mechanism

F16K 17/34 ・・in which the flow-energy of the flowing medium actuates the closing mechanism

F16K 17/36 ・actuated in consequence of extraneous circumstances, e.g. shock, change of position

F16K 17/363 ・・{the closure members being rotatable or pivoting (F16K 17/386 takes precedence)}

F16K 17/366 ・・{the closure member being a movable ball (F16K 17/38 takes precedence)}

F16K 17/38 ・・of excessive temperature

F16K 17/383 ・・・{the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug (F16K 17/386 takes precedence)}

F16K 17/386 ・・・{the closure members being rotatable or pivoting}

F16K 17/40 ・with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint (valves opening on surplus pressure F16K 17/14)

F16K 17/403 ・・{with a fracturing valve member}

F16K 17/406 ・・{the fracturing member being a generally elongated member, e.g. rod or wire, which is directly connected to a movable valve member, the breaking or buckling of the elongated member allowing the valve member to move to a closed or open position}

F16K 17/42 ・Valves preventing penetration of air in the outlet of containers for liquids

F16K 19/00 Arrangements of valves and flow lines specially adapted for mixing fluids (multiple-way valves F16K 11/00)

F16K 19/003 ・{Specially adapted for boilers}

F16K 19/006 ・{Specially adapted for faucets}

F16K 21/00 Fluid-delivery valves, {e.g. self-closing valves}(for liquid handling B67D; for flushing devices for water-closets or the like E03D)

F16K 21/02 ・providing a continuous small flow

F16K 21/04 ・Self-closing valves, i.e. closing automatically after operation {pneumatic tools B25B 9/00}

F16K 21/06 ・・in which the closing movement, either retarded or not, starts immediately after opening

F16K 21/08 ・・・with ball-shaped closing members

F16K 21/10 ・・・with hydraulic brake cylinder acting on the closure member

F16K 21/12 ・・・with hydraulically-operated opening means; with arrangements for pressure relief before opening

F16K 21/14 ・・with special means for preventing the self-closing

F16K 21/16 ・・closing after a predetermined quantity of fluid has been delivered (F16K 21/10 takes precedence)

F16K 21/165 ・・・{with means sensing the weight of said fluid quantity}

F16K 21/18 ・・closed when a rising liquid reaches a predetermined level (float-actuated valves F16K 31/18)

F16K 21/185 ・・・{with electrical or magnetical means, e.g. with magnetic floats, for sensing the liquid level}

F16K 21/20 ・・・by means making use of air-suction through an opening closed by the rising liquid

F16K 23/00 Valves for preventing drip from nozzles

F16K 24/00 Devices, e.g. valves, for venting or aerating enclosures (equalising valves F16K 17/00; arrangement or mounting in pipes or pipe systems F16L 55/07; venting or aerating as an additional function of steam traps or like apparatus F16T; ventilation of rooms, vehicles, see the appropriate subclass, e.g. F24F)

F16K 24/02 ・the enclosure being itself a valve, tap, or cock

F16K 24/04 ・for venting only (F16K 24/02 takes precedence)

F16K 24/042 ・・{actuated by a float}

F16K 24/044 ・・・{the float being rigidly connected to the valve element, the assembly of float and valve element following a substantially translational movement when actuated, e.g. also for actuating a pilot valve}

F16K 24/046 ・・・・{the assembly of float and valve element being a single spherical element}

F16K 24/048 ・・・{a transmission element, e.g. arm, being interposed between the float and the valve element, the transmission element following a non-translational, e.g. pivoting or rocking, movement when actuated}

F16K 24/06 ・for aerating only (F16K 24/02 takes precedence)

F16K 25/00 Details relating to contact between valve members and seat (sealing constructions, see the appropriate groups according to the type of valve; movement of valve members other than for opening and closing F16K 29/00)

F16K 25/005 ・{Particular materials for seats or closure elements}

F16K 25/02 ・Arrangements using fluid issuing from valve members or seats

F16K 25/04 ・Arrangements for preventing erosion, not otherwise provided for

F16K 27/00 Construction of housing (methods for welding housings B23K); Use of materials therefor

F16K 27/003 ・{Housing formed from a plurality of the same valve elements}

F16K 27/006 ・{of hydrants}

F16K 27/02 ・of lift valves (for reducing the flow resistance of screw-spindle lift-valves 1/06)

F16K 27/0209 ・・{Check valves or pivoted valves}

F16K 27/0218 ・・・{Butterfly valves}

F16K 27/0227 ・・・{with the valve members swinging around an axis located at the edge of or outside the valve member}

F16K 27/0236 ・・{Diaphragm cut-off apparatus}

F16K 27/0245 ・・{with ball-shaped valve members}

F16K 27/0254 ・・{with conical shaped valve members}

F16K 27/0263 ・・{multiple way valves}

F16K 27/0272 ・・{valves provided with a lining}

F16K 27/0281 ・・{Housings in two parts which can be orientated in different positions}

F16K 27/029 ・・{Electromagnetically actuated valves}

F16K 27/04 ・of sliding valves

F16K 27/041 ・・{cylindrical slide valves}

F16K 27/042 ・・・{Hydraulic fluid leak traps}

F16K 27/044 ・・{slide valves with flat obturating members}

F16K 27/045 ・・・{with pivotal obturating members}

F16K 27/047 ・・・{with wedge-shaped obturating members}

F16K 27/048 ・・{Electromagnetically actuated valves}

F16K 27/06 ・of taps or cocks

F16K 27/062 ・・{with conical plugs}

F16K 27/065 ・・{with cylindrical plugs}

F16K 27/067 ・・{with spherical plugs}

F16K 27/07 ・of cutting-off parts of tanks, e.g. tank-ears

F16K 27/08 ・Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves

F16K 27/10 ・Welded housings

F16K 27/102 ・・{for lift-valves}

F16K 27/105 ・・{for gate valves}

F16K 27/107 ・・{for taps or cocks}

F16K 27/12 ・Covers for housings

F16K 29/00 Arrangements for movement of valve members other than for opening and closing the valve, e.g. for grinding-in, for preventing sticking

F16K 29/02 ・providing for continuous motion

F16K 31/00 {Actuating devices;} Operating means; Releasing devices {(regulating means G05D)}

F16K 31/001 ・{actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid (life-boats B63C 9/24)}

F16K 31/002 ・{actuated by temperature variation (thermo-electric F16K 31/025)}

F16K 31/003 ・{operated without a stable intermediate position, e.g. with snap action (F16K 31/56 takes precedence)}

F16K 31/004 ・{actuated by piezo-electric means}

F16K 31/005 ・・{Piezo-electric benders}

F16K 31/006 ・・・{having a free end}

F16K 31/007 ・・{Piezo-electric stacks}

F16K 31/008 ・・・{for sliding valves}

F16K 31/02 ・electric {(F16K 31/004 takes precedence)}; magnetic

F16K 31/025 ・・{actuated by thermo-electric means}

F16K 31/04 ・・using a motor

F16K 31/041 ・・・{for rotating valves (F16K 31/055 takes precedence)}

F16K 31/042 ・・・・{with electric means, e.g. for controlling the motor or a clutch between the valve and the motor}

F16K 31/043 ・・・・{characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means}

F16K 31/045 ・・・・・{with torque limiters}

F16K 31/046 ・・・{with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the motor (F16K 31/041 takes precedence)}

F16K 31/047 ・・・{characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means (F16K 31/043 takes precedence)}

F16K 31/048 ・・・・{with torque limiters (F16K 31/041 takes precedence)}

F16K 31/05 ・・・specially adapted for operating hand-operated valves or for combined motor and hand operation

F16K 31/055 ・・・・{for rotating valves}

F16K 31/06 ・・using a magnet {e.g. diaphragm valves, cutting off by means of a liquid}

F16K 31/0603 ・・・{Multiple-way valves}

F16K 31/0606 ・・・・{fluid passing through the solenoid coil}

F16K 31/061 ・・・・{Sliding valves}

F16K 31/0613 ・・・・・{with cylindrical slides}

F16K 31/0617 ・・・・・{with flat slides}

F16K 31/062 ・・・・{the valve element being at least partially ball-shaped}

F16K 31/0624 ・・・・{Lift valves}

F16K 31/0627 ・・・・・{with movable valve member positioned between seats}

F16K 31/0631 ・・・・・・{with ball shaped valve members}

F16K 31/0634 ・・・・・{with fixed seats positioned between movable valve members}

F16K 31/0637 ・・・・・・{with ball shaped valve members}

F16K 31/0641 ・・・・{the valve member being a diaphragm}

F16K 31/0644 ・・・{One-way valve}

F16K 31/0648 ・・・・{the armature and the valve member forming one element (F16K 31/0651 takes precedence)}

F16K 31/0651 ・・・・{the fluid passing through the solenoid coil}

F16K 31/0655 ・・・・{Lift valves}

F16K 31/0658 ・・・・・{Armature and valve member being one single element}

F16K 31/0662 ・・・・・・{with a ball-shaped valve member}

F16K 31/0665 ・・・・・{with valve member being at least partially ball-shaped (F16K 31/0662 takes precedence)}

F16K 31/0668 ・・・・{Sliding valves}

F16K 31/0672 ・・・・{the valve member being a diaphragm}

F16K 31/0675 ・・・{Electromagnet aspects, e.g. electric supply therefor}

F16K 31/0679 ・・・・{with more than one energising coil}

F16K 31/0682 ・・・{with an articulated or pivot armature}

F16K 31/0686 ・・・{Braking, pressure equilibration, shock absorbing}

F16K 31/0689 ・・・・{Braking of the valve element}

F16K 31/0693 ・・・・{Pressure equilibration of the armature}

F16K 31/0696 ・・・・{Shock absorbing, e.g. using a dash-pot}

F16K 31/08 ・・・using a permanent magnet

F16K 31/082 ・・・・{using a electromagnet and a permanent magnet}

F16K 31/084 ・・・・{the magnet being used only as a holding element to maintain the valve in a specific position, e.g. check valves (F16K 31/082, F16K 31/086 take precedence)}

F16K 31/086 ・・・・{the magnet being movable and actuating a second magnet connected to the closing element}

F16K 31/088 ・・・・・{the movement of the first magnet being a rotating or pivoting movement}

F16K 31/10 ・・・with additional mechanism between armature and closure member

F16K 31/105 ・・・・{for rotating valves}

F16K 31/12 ・actuated by fluid ({fluid-actuated lift valves F16K 1/126}; fluid-actuated check valves F16K 15/00; fluid-actuated safety valves F16K 17/00)

F16K 31/122 ・・{the fluid acting on a piston (F16K 31/143, F16K 31/163, F16K 31/363, F16K 31/383 take precedence)}

F16K 31/1221 ・・・{one side of the piston being spring-loaded}

F16K 31/1223 ・・・{one side of the piston being acted upon by the circulating fluid}

F16K 31/1225 ・・・{with a plurality of pistons}

F16K 31/1226 ・・・{the fluid circulating through the piston}

F16K 31/1228 ・・・{with a stationnary piston}

F16K 31/124 ・・・servo actuated

F16K 31/1245 ・・・・{with more than one valve}

F16K 31/126 ・・{the fluid acting on a diaphragm, bellows, or the like (F16K 31/145, F16K 31/165, F16K 31/365, F16K 31/385 take precedence)}

F16K 31/1262 ・・・{one side of the diaphragm being spring loaded}

F16K 31/1264 ・・・・{with means to allow the side on which the springs are positioned to be altered}

F16K 31/1266 ・・・{one side of the diaphragm being acted upon by the circulating fluid}

F16K 31/1268 ・・・{with a plurality of the diaphragms}

F16K 31/128 ・・・servo actuated

F16K 31/14 ・・for mounting on, or in combination with, hand-actuated valves

F16K 31/143 ・・・the fluid acting on a piston

F16K 31/145 ・・・the fluid acting on a diaphragm

F16K 31/16 ・・with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member (with float F16K 31/18)

F16K 31/163 ・・・the fluid acting on a piston

F16K 31/1635 ・・・・{for rotating valves}

F16K 31/165 ・・・the fluid acting on a diaphragm

F16K 31/1655 ・・・・{for rotating valves}

F16K 31/18 ・・actuated by a float (floats F16K 33/00; float-actuated valves in steam-traps F16T 1/20, in boilers F22D 5/08)

F16K 31/20 ・・・actuating a lift valve

F16K 31/22 ・・・・with the float rigidly connected to the valve

F16K 31/24 ・・・・with a transmission with parts linked together from a single float to a single valve

F16K 31/26 ・・・・・with the valve guided for rectilinear movement and the float attached to a pivoted arm

F16K 31/265 ・・・・・・{with a second lever or toggle between the pivoted arm and the valve}

F16K 31/28 ・・・・with two ore more floats actuating one valve

F16K 31/30 ・・・actuating a gate valve or sliding valve

F16K 31/32 ・・・actuating a tap or cock

F16K 31/34 ・・・acting on pilot valve controlling the cut-off apparatus

F16K 31/36 ・・in which fluid from the circuit is constantly supplied to the fluid motor

F16K 31/363 ・・・the fluid acting on a piston (F16K 31/38 takes precedence)

F16K 31/365 ・・・the fluid acting on a diaphragm

F16K 31/38 ・・・in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side (F16K 31/40 takes precedence)

F16K 31/383 ・・・・the fluid acting on a piston

F16K 31/3835 ・・・・・{the discharge being effected through the piston and being blockable by a mechanically-actuated member making contact with the piston}

F16K 31/385 ・・・・the fluid acting on a diaphragm

F16K 31/3855 ・・・・・{the discharge being effected through the diaphragm and being blockable by a mechanically-actuated member making contact with the diaphragm}

F16K 31/40 ・・・with electrically-actuated member in the discharge of the motor

F16K 31/402 ・・・・{acting on a diaphragm}

F16K 31/404 ・・・・・{the discharge being effected through the diaphragm and being blockable by an electrically-actuated member making contact with the diaphragm}

F16K 31/406 ・・・・{acting on a piston}

F16K 31/408 ・・・・・{the discharge being effected through the piston and being blockable by an electrically-actuated member making contact with the piston}

F16K 31/42 ・・by means of electrically-actuated members in the supply or discharge conduits of the fluid motor (F16K 31/40 takes precedence)

F16K 31/423 ・・・{the actuated members consisting of multiple way valves}

F16K 31/426 ・・・・{the actuated valves being cylindrical sliding valves}

F16K 31/44 ・Mechanical actuating means

F16K 31/445 ・・{with exterior sleeve}

F16K 31/46 ・・for remote operation

F16K 31/465 ・・・{by flexible transmission means, e.g. cable, chain, bowden wire}

F16K 31/48 ・・actuated by mechanical timing-device, e.g. with dash-pot (self-closing valves F16K 21/16)

F16K 31/485 ・・・{and specially adapted for gas valves}

F16K 31/50 ・・with screw-spindle {or internally threaded actuating means}

F16K 31/502 ・・・{actuating pivotable valve members}

F16K 31/504 ・・・{the actuating means being rotable, rising, and having internal threads which co-operate with threads on the outside of the valve body}

F16K 31/506 ・・・{with plural sets of thread, e.g. with different pitch}

F16K 31/508 ・・・{the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element}

F16K 31/52 ・・with crank, eccentric, or cam

F16K 31/521 ・・・{comprising a pivoted disc or flap}

F16K 31/522 ・・・{comprising a tap or cock}

F16K 31/523 ・・・{comprising a sliding valve}

F16K 31/524 ・・・with a cam

F16K 31/52408 ・・・・{comprising a lift valve}

F16K 31/52416 ・・・・・{comprising a multiple-way lift valve}

F16K 31/52425 ・・・・・{with a ball-shaped valve member}

F16K 31/52433 ・・・・・{with a streamlined or helically shaped valve member, e.g. for reducing flow losses or guiding the fluid flow}

F16K 31/52441 ・・・・・{with a pivoted disc or flap}

F16K 31/5245 ・・・・・{with a valve member of conical shape}

F16K 31/52458 ・・・・{comprising a tap or cock}

F16K 31/52466 ・・・・・{comprising a multiple-way tap or cock}

F16K 31/52475 ・・・・{comprising a sliding valve}

F16K 31/52483 ・・・・・{comprising a multiple-way sliding valve}

F16K 31/52491 ・・・・{comprising a diaphragm cut-off apparatus}

F16K 31/528 ・・・with pin and slot

F16K 31/5282 ・・・・{comprising a pivoted disc or flap}

F16K 31/5284 ・・・・{comprising a tap or cock}

F16K 31/5286 ・・・・{comprising a sliding valve}

F16K 31/5288 ・・・・{comprising a diaphragm cut-off apparatus}

F16K 31/53 ・・with toothed gearing

F16K 31/535 ・・・{for rotating valves (F16K 31/54 takes precedence)}

F16K 31/54 ・・・with pinion and rack

F16K 31/56 ・・without stable intermediate position, e.g. with snap action

F16K 31/563 ・・・{for rotating or pivoting valves}

F16K 31/566 ・・・{using a bistable spring device arranged symmetrically around the actuating stem}

F16K 31/58 ・・comprising a movable discharge-nozzle

F16K 31/60 ・・Handles {form, features or function of taps or faucet handles for domestic plumbing installations E03C 1/04}

F16K 31/602 ・・・{Pivoting levers, e.g. single-sided (F16K 31/605 takes precedence)}

F16K 31/605 ・・・{for single handle mixing valves}

F16K 31/607 ・・・{characterised by particular material, by special measures to obtain aesthetical effects, or by auxiliary functions, e.g. storage}

F16K 31/62 ・・Pedals or like operating members, e.g. actuated by knee or hip

F16K 33/00 Floats for actuation of valves or other apparatus {(float actuated valves F16K 31/18)}

F16K 35/00 Means to prevent accidental or unauthorised actuation

F16K 35/02 ・to be locked or disconnected by means of a pushing or pulling action

F16K 35/022 ・・{the locking mechanism being actuated by a separate actuating element}

F16K 35/025 ・・・{said actuating element being operated manually (e.g. a push-button located in the valve actuator)}

F16K 35/027 ・・{the locking mechanism being actuated by pushing or pulling the valve actuator, the valve actuator being rotated subsequently to bring the valve closure element in the desired position}

F16K 35/04 ・Yieldingly resisting the actuation

F16K 35/06 ・using a removable actuating or locking member, e.g. a key (F16K 35/10, F16K 35/12 take precedence)

F16K 35/08 ・requiring setting according to a code, e.g. permutation locks

F16K 35/10 ・with locking caps or locking bars

F16K 35/12 ・with sealing wire

F16K 35/14 ・interlocking two or more valves

F16K 35/16 ・with locking member actuated by magnet

F16K 37/00 Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

F16K 37/0008 ・{Mechanical means (F16K 37/0075 takes precedence)}

F16K 37/0016 ・・{having a graduated scale}

F16K 37/0025 ・{Electrical or magnetic means (F16K 37/0075 takes precedence)}

F16K 37/0033 ・・{using a permanent magnet, e.g. in combination with a reed relays}

F16K 37/0041 ・・{for measuring valve parameters (F16K 37/0033 takes precedence)}

F16K 37/005 ・・{for measuring fluid parameters (F16K 37/0033 takes precedence)}

F16K 37/0058 ・[Optical means, e.g. light transmission, observation ports (F16K 37/0075 takes precedence)]

F16K 37/0066 ・{Hydraulic or pneumatic means (F16K 37/0075 takes precedence)}

F16K 37/0075 ・{For recording or indicating the functioning of a valve in combination with test equipment}

F16K 37/0083 ・・{by measuring valve parameters}

F16K 37/0091 ・・{by measuring fluid parameters}

F16K 39/00 Devices for relieving the pressure on the sealing faces

F16K 39/02 ・for lift valves

F16K 39/022 ・・{using balancing surfaces}

F16K 39/024 ・・{using an auxiliary valve on the main valve}

F16K 39/026 ・・{using an external auxiliary valve}

F16K 39/028 ・・{with pivoted closure members, e.g. butterfly valves}

F16K 39/04 ・for sliding valves

F16K 39/045 ・・{of rotating or pivoting type}

F16K 39/06 ・for taps or cocks

F16K 41/00 Spindle sealings

F16K 41/003 ・{by fluid}

F16K 41/006 ・{by establishing an under-pressure}

F16K 41/02 ・with stuffing-box; {Sealing rings}

F16K 41/023 ・・{for spindles which only rotate, i.e. non-rising spindles (F16K 41/043, F16K 41/063 and F16K 41/083 take precedence)}

F16K 41/026 ・・・{for rotating valves}

F16K 41/04 ・・with at least one ring of rubber or like material between spindle and housing

F16K 41/043 ・・・{for spindles which only rotate, i.e. non-rising spindles}

F16K 41/046 ・・・・{for rotating valves}

F16K 41/06 ・・with at least one ring attached to both spindle and housing

F16K 41/063 ・・・{for spindles which only rotate, i.e. non-rising spindles}

F16K 41/066 ・・・・{for rotating valves}

F16K 41/08 ・・with at least one ring provided with axially-protruding peripheral closing-lip

F16K 41/083 ・・・{for spindles which only rotate, i.e. non-rising spindles}

F16K 41/086 ・・・・{for rotating valves}

F16K 41/10 ・with diaphragm, e.g. shaped as bellows or tube

F16K 41/103 ・・{the diaphragm and the closure member being integrated in one member}

F16K 41/106 ・・{for use with rotating spindles or valves (F16K 41/125 takes precedence)}

F16K 41/12 ・・with approximately flat diaphragm

F16K 41/125 ・・・{the part of the spindle traversing the diaphragm being rotatable or pivotable}

F16K 41/14 ・with conical flange on the spindle which co-operates with a conical surface in the housing

F16K 41/16 ・with a flange on the spindle which rests on a sealing ring

F16K 41/18 ・・sealing only when the closure member is in the opened position

F16K 43/00 Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose

F16K 43/001 ・{an auxiliary valve being actuated independently of the main valve}

F16K 43/003 ・・{the auxiliary valve being a rotary valve}

F16K 43/005 ・{an auxiliary valve closing automatically when the main valve is being disassembled}

F16K 43/006 ・・{the auxiliary valve being held open by the main valve}

F16K 43/008 ・{the main valve having a back-seat position, e.g. to service the spindle sealing}

F16K 47/00 Means in valves for absorbing fluid energy {e.g. cushioning of opening or closure movement, eliminating of vibrations of the valve member}(for pipes F16L 55/00)

F16K 47/02 ・for preventing water-hammer or noise {e.g. for sanitary applications, toilet flush reservoirs (F16K 47/04 and F16K 47/08 take precedence)}

F16K 47/023 ・・{for preventing water-hammer, e.g. damping of the valve movement}

F16K 47/026 ・・{preventing noise in a single handle mixing valve}

F16K 47/04 ・for decreasing pressure {or noise level}, the throttle being incorporated in the closure member

F16K 47/045 ・・{and the closure member being rotatable}

F16K 47/06 ・・with a throttle in the form of a helical channel

F16K 47/08 ・for decreasing pressure {or noise level} and having a throttling member separate from the closure member, {e.g. screens, slots, labyrinths}

F16K 47/10 ・・in which the medium in one direction must flow through the throttling channel, and in the other direction may flow through a much wider channel parallel to the throttling channel

F16K 47/12 ・・the throttling channel being of helical form

F16K 47/14 ・・the throttling member being a perforated membrane

F16K 47/16 ・・the throttling member being a cone

F16K 49/00 Means in or on valves for heating or cooling (for pipes F16L 53/00; thermal insulation in connection with pipes or pipe systems F16L 59/16)

F16K 49/002 ・{Electric heating means}

F16K 49/005 ・{Circulation means for a separate heat transfer fluid}

F16K 49/007 ・・{located within the obturating element}

F16K 51/00 Other details not peculiar to particular types of valves or cut-off apparatus

F16K 51/02 ・specially adapted for high-vacuum installations

F16K 99/00 Subject matter not provided for in other groups of this subclass

F16K 99/0001 ・{Micro-valves (micro-devices B81B 1/00; manufacture or treatment of devices or systems in or on a substrate B81C 1/00; micro-fluidic structures B01L 3/00C6M; micro-pumps F04B 19/006)}

F16K 99/0003 ・・{Constructional types of microvalves; Details of the cutting-off member}

F16K 99/0005 ・・・{Lift valves}

F16K 99/0007 ・・・・{of cantilever type}

F16K 99/0009 ・・・・{the valve element held by multiple arms}

F16K 99/0011 ・・・{Gate valves or sliding valves}

F16K 99/0013 ・・・{Rotary valves}

F16K 99/0015 ・・・{Diaphragm or membrane valves}

F16K 99/0017 ・・・{Capillary or surface tension valves, e.g. using electro-wetting or electro-capillarity effects}

F16K 99/0019 ・・・{Valves using a micro-droplet or micro-bubble as the valve member}

F16K 99/0021 ・・・{No-moving-parts valves}

F16K 99/0023 ・・・{with ball-shaped valve members}

F16K 99/0025 ・・・{Valves using microporous membranes}

F16K 99/0026 ・・・{Valves using channel deformation}

F16K 99/0028 ・・・{Valves having multiple inlets or outlets}

F16K 99/003 ・・・{Valves for single use only}

F16K 99/0032 ・・・{using phase transition or influencing viscosity}

F16K 99/0034 ・・{Operating means specially adapted for microvalves}

F16K 99/0036 ・・・{operated by temperature variations}

F16K 99/0038 ・・・・{using shape memory alloys}

F16K 99/004 ・・・・{using radiation}

F16K 99/0042 ・・・{Electric operating means therefor}

F16K 99/0044 ・・・・{using thermo-electric means}

F16K 99/0046 ・・・・{using magnets}

F16K 99/0048 ・・・・{using piezoelectric means}

F16K 99/0049 ・・・・{using an electroactive polymer (EAP)}

F16K 99/0051 ・・・・{using electrostatic means}

F16K 99/0053 ・・・・{using magnetostrictive means}

F16K 99/0055 ・・・{actuated by fluids}

F16K 99/0057 ・・・・{the fluid being the circulating fluid itself, e.g. check valves}

F16K 99/0059 ・・・・{actuated by a pilot fluid}

F16K 99/0061 ・・・・{actuated by an expanding gas or liquid volume}

F16K 99/0063 ・・・{using centrifugal forces}

F16K 99/0065 ・・・{using chemical activation}

F16K 99/0067 ・・・・{actuated by a pyrotechnical charge}

F16K 2099/00 Subject matter not provided for in other groups of this subclass

F16K 2099/0001 ・{Micro-valves (micro-devices B81B 1/00; manufacture or treatment of devices or systems in or on a substrate B81C 1/00; micro-fluidic structures B01L 3/00C6M; micro-pumps F04B 19/006)}

F16K 2099/0069 ・・Bistable microvalves

F16K 2099/0071 ・・with latching means

F16K 2099/0073 ・Fabrication methods specifically adapted for microvalves

F16K 2099/0074 ・・using photolithography, e.g. etching

F16K 2099/0076 ・・using electrical discharge machining (EDM), milling or drilling

F16K 2099/0078 ・・using moulding or stamping

F16K 2099/008 ・・Multi-layer fabrications

F16K 2099/0082 ・Microvalves adapted for a particular use

F16K 2099/0084 ・・Chemistry or biology, e.g. "lab-on-a-chip" technology

F16K 2099/0086 ・・Medical applications

F16K 2099/0088 ・・・Implanted devices

F16K 2099/009 ・・Fluid power devices

F16K 2099/0092 ・・Inkjet printers

F16K 2099/0094 ・・Micro-pumps

F16K 2099/0096 ・・Fuel injection devices

F16K 2099/0098 ・・Refrigeration circuits, e.g. for cooling integrated circuits