WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

F26B　DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM (racks for drying fruit and vegetables A01F 25/12; drying foodstuffs A23; drying hair A45D 20/00; body-drying implements A47K 10/00; drying household articles A47L, {e.g. drying footwear A47L 23/20;} drying gases and vapours B01D; chemical and physical processes for dewatering or like separating liquids from solids B01D 43/00; centrifugal apparatus B04; drying ceramics C04B 33/30; drying yarns and fabrics in association with some other form of treatment D06C; drying frames for laundry without heating or positive air circulation, domestic and like spin-dryers, wringing and hot pressing laundry D06F; furnaces, kilns, ovens F27; {treatment including a drying step of semiconductor substrates, e.g. wafers, H01L 21/00S2D4})

F26B 1/00 Preliminary treatment of solid materials or objects to facilitate drying, {e.g. mixing or backmixing the materials to be dried with predominantly dry solids (F26B 5/005 takes precedence)}

F26B 1/005 ・{by means of desintegrating, e.g. crushing, shredding, milling the materials to be dried (F26B 17/102, F26B 17/103 take precedence)}

F26B 3/00 Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B 9/00 to F26B 19/00)

F26B 3/005 ・{by applying a combustible liquid onto the materials, the liquid being burnt off subsequently}

F26B 3/02 ・by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air {(F26B 3/283 and F26B 3/343 take precedence)}

F26B 3/04 ・・the gas or vapour circulating over or surrounding the materials or objects to be dried (F26B 3/14 takes precedence)

F26B 3/06 ・・the gas or vapour flowing through the materials or objects to be dried (F26B 3/14 takes precedence)

F26B 3/08 ・・・so as to loosen them, e.g. to form a fluidised bed {("fluidised-bed" technique in general B01J 8/24; centrifugal fluidised beds F26B 7/007)}

F26B 3/082 ・・・・{arrangements of devices for distributing fluidising gas, e.g. grids, nozzles (F26B 3/0926 takes precedence; such devices per se B01J 8/44)}

F26B 3/084 ・・・・with heat exchange taking place in the fluidised bed, {e.g. combined direct and indirect heat exchange}

F26B 3/088 ・・・・using inert thermally-stabilised particles

F26B 3/092 ・・・・agitating the fluidised bed, e.g. by vibrating or pulsating

F26B 3/0923 ・・・・・{by mechanical means, e.g. vibrated plate, stirrer}

F26B 3/0926 ・・・・・{by pneumatic means, e.g. spouted beds}

F26B 3/097 ・・・・using a magnetic field to stabilise the fluidised bed

F26B 3/10 ・・the gas or vapour carrying the materials or objects to be dried with it

F26B 3/12 ・・・in the form of a spray, {i.e. sprayed or dispersed emulsions or suspensions (spray drying of solutions B01D 1/18)}

F26B 3/14 ・・the materials or objects to be dried being moved by gravity

F26B 3/16 ・・・in a counter-flow of the gas or vapour

F26B 3/18 ・by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact

F26B 3/20 ・・the heat source being a heated surface {,e.g. a moving belt or conveyer}(F26B 3/22 takes precedence)

F26B 3/205 ・・・{the materials to be dried covering or being mixed with heated inert particles which may be recycled}

F26B 3/22 ・・the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration

F26B 3/225 ・・・{the materials or objects to be dried being immersed in a fluidised bed of heated particles (for webs F26B 13/106)}

F26B 3/24 ・・・the movement being rotation

F26B 3/26 ・・・the movement being performed by gravity

F26B 3/28 ・by radiation, e.g. from the sun

F26B 3/283 ・・{in combination with convection}

F26B 3/286 ・・・{by solar radiation}

F26B 3/30 ・・from infra-red-emitting elements {(by radiation emanating from passages containing heated fluids other than combustion gases F26B 23/10)}

F26B 3/305 ・・・{the infra-red radiation being generated by combustion or combustion gases}

F26B 3/32 ・by development of heat within the materials or objects to be dried, {e.g. by fermentation or other microbiological action}

F26B 3/34 ・・by using electrical effects

F26B 3/343 ・・・{in combination with convection}

F26B 3/347 ・・・Electromagnetic heating, e.g. induction heating or heating using microwave energy

F26B 3/353 ・・・Resistance heating, {e.g. using the materials or objects to be dried as an electrical resistance}

F26B 3/36 ・・by using mechanical effects, e.g. by friction (by using ultrasonic vibrations F26B 5/02)

F26B 5/00 Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D 12/00; drying by electrophoresis B01J)

F26B 5/005 ・{by dipping them into or mixing them with a chemical liquid, e.g. organic; chemical, e.g. organic, dewatering aids (F26B 3/005 takes precedence; using chemical vapours or gases F26B 21/14)}

F26B 5/02 ・by using ultrasonic vibrations {(using sonic energy generated by pulse jet combustion F26B 23/026)}

F26B 5/04 ・by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum {(F26B 11/049 and F26B 17/128 take precedence)}

F26B 5/041 ・・{for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging}

F26B 5/042 ・・{for drying articles or discrete batches of material in a continuous or semi-continuous operation, e.g. with locks or other air tight arrangements for charging/discharging}

F26B 5/044 ・・{for drying materials in a batch operation in an enclosure having a plurality of shelves which may be heated (F26B 5/045 takes precedence)}

F26B 5/045 ・・{for drying thin, flat articles in a batch operation, e.g. leather, rugs, gels}

F26B 5/047 ・・{for continuous drying of material in long length, e.g. webs}

F26B 5/048 ・・{in combination with heat developed by electro-magnetic means, e.g. microwave energy}

F26B 5/06 ・・the process involving freezing

F26B 5/065 ・・・{the product to be freeze-dried being sprayed, dispersed or pulverised}

F26B 5/08 ・by centrifugal treatment

F26B 5/10 ・・the process involving freezing

F26B 5/12 ・by suction

F26B 5/14 ・by applying pressure, e.g. wringing; by brushing; by wiping

F26B 5/16 ・by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials

F26B 7/00 Drying solid materials or objects by processes using a combination of processes not covered by a single one of groups F26B 3/00 and F26B 5/00{(F26B 1/005, F26B 5/04, F26B 23/026 take precedence)}

F26B 7/002 ・{using an electric field and heat}

F26B 7/005 ・{using admixture with sorbent materials and heat, e.g. generated by the mixture}

F26B 7/007 ・{centrifugal fluidised beds}

F26B 9/00 Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards {(domestic laundry drying cabinets or chambers having heating or ventilating means D06F 58/10)}

F26B 9/003 ・{Small self-contained devices, e.g. portable}

F26B 9/006 ・{Removable covering devices, e.g. pliable or flexible}

F26B 9/02 ・in buildings (special types of buildings E04H)

F26B 9/04 ・in presses or clamping devices

F26B 9/06 ・in stationary drums or chambers

F26B 9/063 ・・{for drying granular material in bulk e.g. grain bins or silos with false floor (shallow layer rotary sweep drying bins F26B 9/10; perforated wall silos with drying air channels in the stack F26B 9/103)}

F26B 9/066 ・・{the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack (F26B 9/003 takes precedence; in combination with duct systems F26B 21/00)}

F26B 9/08 ・・including agitating devices, {e.g. pneumatic recirculation arrangements (unloading devices F26B 25/002; spouted beds F26B 3/0926)}

F26B 9/082 ・・・{mechanically agitating or recirculating the material being dried}

F26B 9/085 ・・・・{moving the material in a substantially vertical sense using conveyers or agitators, e.g. screws or augers with vertical axis, which are positioned inside the drying enclosure}

F26B 9/087 ・・・・{the recirculation path being positioned outside the drying enclosure}

F26B 9/10 ・in the open air; in pans or tables in rooms; Drying stacks of loose material {on floors which may be covered, e.g. by a roof (ventilating means of stacks for agricultural produce A01F 25/08)}

F26B 9/103 ・・{using fixed or removable drying air channels placed in the stack, e.g. horizontally or vertically}

F26B 9/106 ・・・{the channels to be inserted into the stack, e.g. after its formation}

F26B 11/00 Machines or apparatus for drying solid materials or objects with movement which is non-progressive

F26B 11/02 ・in moving drums or other mainly-closed receptacles (F26B 11/18 takes precedence)

F26B 11/022 ・・{Arrangements of drives, bearings, supports}

F26B 11/024 ・・{Arrangements for gas-sealing the drum}

F26B 11/026 ・・{Arrangements for charging or discharging the materials to be dried, e.g. discharging by reversing drum rotation, using spiral-type inserts}

F26B 11/028 ・・{Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating}

F26B 11/04 ・・rotating about a horizontal or slightly-inclined axis {(F26B 11/022, F26B 11/024, F26B 11/026, F26B 11/028 take precedence)}

F26B 11/0404 ・・・{with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried (spiral-type or other inserts for discharging purposes F26B 11/026)}

F26B 11/0409 ・・・・{the subdivision consisting of a plurality of substantially radially oriented internal walls, e.g. forming multiple sector-shaped chambers}

F26B 11/0413 ・・・・{the subdivision consisting of concentric walls, e.g. multi-pass or recirculation systems; the subdivision consisting of spiral-shaped walls (tubular or annular passages for supply or exhaust of drying gas F26B 11/028)}

F26B 11/0418 ・・・・{the subdivision consisting of a plurality of parallel tubes, e.g. through which the material to be dried is conveyed in single or multi-pass fashion (sector-shaped tubes F26B 11/0409)}

F26B 11/0422 ・・・・・{the tubes having internal members}

F26B 11/0427 ・・・・・{Constructional details, e.g. arrangements of drives, supports, bearings, gas-sealing, heating medium supply or exhaust}

F26B 11/0431 ・・・・・{Arrangements for feeding or discharging materials to be dried}

F26B 11/0436 ・・・{comprising multiple stages, e.g. multiple rotating drums subsequently receiving the material to be dried; Provisions for heat recuperation}

F26B 11/044 ・・・{the drum or receptacle having a variable outer or inner diameter in axial direction, e.g. trunconical; the drum or receptacle having a polygonal or non-cylindrical shape (F26B 11/0436, F26B 11/049 take precedence)}

F26B 11/0445 ・・・{having conductive heating arrangements, e.g. heated drum wall}

F26B 11/045 ・・・・{using heated internal elements, e.g. which move through or convey the materials to be dried (loose bodies, e.g. balls F26B 11/0472)}

F26B 11/0454 ・・・・・{the elements being discs}

F26B 11/0459 ・・・・・{the elements being chains}

F26B 11/0463 ・・・{having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall (F26B 11/0404, F26B 11/0445 take precedence)}

F26B 11/0468 ・・・・{for disintegrating, crushing, or for being mixed with the materials to be dried}

F26B 11/0472 ・・・・・{the elements being loose bodies or materials, e.g. balls, which may have a sorbent effect (chains fixed to the drum F26B 11/0459)}

F26B 11/0477 ・・・・{for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum}

F26B 11/0481 ・・・・・{the elements having a screw- or auger-like shape, or form screw- or auger-like channels}

F26B 11/0486 ・・・・・{the elements being held stationary, e.g. internal scraper blades}

F26B 11/049 ・・・{with provisions for working under increased or reduced pressure, with or without heating}

F26B 11/0495 ・・・{with provisions for drying by electro-magnetic means, e.g. radiation, microwaves (burner arrangements F26B 11/028)}

F26B 11/08 ・・rotating about a vertical or steeply-inclined axis

F26B 11/10 ・・・with stirring devices which are held stationary

F26B 11/12 ・in stationary drums or other mainly-closed receptacles with moving stirring devices F26B 11/22 takes precedence)

F26B 11/14 ・・the stirring device moving in a horizontal or slightly-inclined plane

F26B 11/16 ・・the stirring device moving in a vertical or steeply-inclined plane

F26B 11/18 ・on or in moving dishes, trays, pans, or other mainly-open receptacles

F26B 11/181 ・・{the receptacle being a foraminous, perforated or open-structured drum or drum-like container, e.g. rotating around a substantially horizontal or vertical axis; the receptacle being multiple perforated drums, e.g. in superimposed arrangement}

F26B 11/182 ・・・{Arrangements for the supply or exhaust of gaseous drying medium, e.g. perforated tubes (F26B 11/185 takes precedence)}

F26B 11/184 ・・・{provided with internal means for mixing, stirring or conveying the materials to be dried (F26B 11/182, F26B 11/185 take precedence)}

F26B 11/185 ・・・{the drum provided with internal subdivisions or multiple walls}

F26B 11/187 ・・・・{the subdivisions consisting of sector-shaped perforated chambers}

F26B 11/188 ・・・・{the subdivisions consisting of concentric perforated walls, or spiral-shaped walls}

F26B 11/20 ・・with stirring devices which are held stationary

F26B 11/22 ・on or in stationary dishes, trays, pans, or other mainly-open receptacles, with moving stirring devices

F26B 13/00 Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement

F26B 13/001 ・{Drying and oxidising yarns, ribbons or the like}

F26B 13/002 ・・{Drying coated, e.g. enamelled, varnished, wires}

F26B 13/003 ・・{in the shape of spools, coils, bobbins or the like (F26B 21/007 takes precedence; drying yarn hanks F26B 15/124)}

F26B 13/004 ・{Drying ribbons}

F26B 13/005 ・{Seals, locks, e.g. gas barriers for web drying enclosures}

F26B 13/006 ・{with movement in a spiral path}

F26B 13/007 ・{Treating a particular portion of the web or plate, e.g. the edge}

F26B 13/008 ・{Controlling the moisture profile accross the width of the material}

F26B 13/06 ・with movement in a sinuous or zig-zag path

F26B 13/08 ・・using rollers

F26B 13/10 ・Arrangements for feeding, heating, or supporting materials; Regulating movement, tension, or position of materials (heating processes F26B 3/00)

F26B 13/101 ・・{Supporting materials without tension, e.g. on or between foraminous belts}

F26B 13/102 ・・・{the materials, e.g. web, being supported in loops by rods or poles, which may be moving transversely, e.g. festoon dryers}

F26B 13/103 ・・・{with mechanical supporting means, e.g. belts, rollers, and fluid impingement arrangement having a displacing effect on the materials}

F26B 13/104 ・・・{supported by fluid jets only; Fluid blowing arrangements for flotation dryers, e.g. coanda nozzles}

F26B 13/105 ・・{Drying webs by contact with heated surfaces other than rollers or drums}

F26B 13/106 ・・・{by moving them through a fluidised bed of heated particles}

F26B 13/107 ・・{Arrangements for guiding the feed end or trailing end of the materials, e.g. threading of webs}

F26B 13/108 ・・{using one or more blowing devices, e.g. nozzle bar, the effective area of which is adjustable to the width of the material}

F26B 13/12 ・・Regulating movement, tension, or position of materials

F26B 13/14 ・・Rollers, {drums, cylinders}(sorbent surfaces F26B 13/26); {Arrangement of drives, supports, bearings, cleaning}

F26B 13/145 ・・・{on the non-perforated outside surface of which the material is being dried by convection or radiation}

F26B 13/16 ・・・perforated {in combination with hot air blowing or suction devices, e.g. sieve drum dryers}(F26B 13/18 takes precedence)

F26B 13/18 ・・・heated {or} cooled, {e.g. from inside, the material being dried on the outside surface by conduction}

F26B 13/183 ・・・・{Arrangements for heating, cooling, condensate removal}

F26B 13/186 ・・・・・{using combustion}

F26B 13/22 ・・Arrangements of gas flames

F26B 13/24 ・Arrangements of devices using drying processes not involving heating (such processes per se F26B 5/00)

F26B 13/26 ・・using sorbent surfaces, e.g. bands or coverings on rollers

F26B 13/28 ・・for applying pressure; for brushing; for wiping

F26B 13/30 ・・for applying suction {(F26B 13/16 takes precedence)}

F26B 15/00 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form (F26B 13/00, F26B 17/00 take precedence; conveyers in general B65G)

F26B 15/02 ・with movement in the whole or part of a circle

F26B 15/04 ・・in a horizontal plane

F26B 15/06 ・・・involving several planes, one above the other

F26B 15/08 ・・in a vertical plane

F26B 15/085 ・・・{with endless clamp or tray conveyer, e.g. wicket conveyer}

F26B 15/10 ・with movement in a path composed of one or more straight lines, e.g. compound, {the movement being in alternate horizontal and vertical directions}

F26B 15/105 ・・{the articles, e.g. can lids, discs, being conveyed by means of rotating screw spindles}

F26B 15/12 ・・the lines being all horizontal or slightly inclined

F26B 15/122 ・・・{the objects or batches of material being carried by transversely moving rollers or rods which may rotate}

F26B 15/124 ・・・・{the objects being yarn hanks}

F26B 15/126 ・・・・{the material being "pasta" products, e.g. spaghetti}

F26B 15/128 ・・・・[N. the rods being attached at one end to an endless conveying means, the other end being free to receive hollow articles, e.g. cans]

F26B 15/14 ・・・the objects or batches of materials being carried by trays or racks {or receptacles, which may be connected to endless chains or belts (trays, racks per se F26B 25/18; with vertical movement F26B 15/22)}

F26B 15/143 ・・・・{the receptacles being wholly or partly foraminous, e.g. containing a batch of loose material (F26B 15/146, F26B 15/205, F26B 15/26 take precedence)}

F26B 15/146 ・・・・{applying multiple superimposed tray conveyers, the materials to be dried being dropped onto subsequent conveyer stretches, e.g. by allowing the trays to tilt at one point}

F26B 15/16 ・・・the objects or batches of materials being carried by wheeled trucks

F26B 15/18 ・・・the objects or batches of materials being carried by endless belts

F26B 15/20 ・・the lines being all vertical or steeply inclined

F26B 15/205 ・・・{the objects or batches of materials being carried by a vertical stack of foraminous trays or shelves either moving through a shaft or forming, with their edges, a moving shaft, the shaft being supplied with drying air}

F26B 15/22 ・・・the objects or batches of materials being carried by endless belts {the objects or batches of material being carried by trays or holders supported by endless belts or chains (F26B 15/205 takes precedence; vertical bulk material conveyer-driers F26B 17/06)}

F26B 15/24 ・・・・in a zig-zag path

F26B 15/26 ・with movement in a helical path

F26B 17/00 Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement (F26B 13/00 takes precedence; {feed or discharge arrangements F26B 25/002})

F26B 17/001 ・{the material moving down superimposed floors (superimposed belts F26B 17/08)}

F26B 17/002 ・・{with floors which may rotate and turn over as a whole or in part, e.g. around a horizontal axis (superimposed tray conveyers F26B 15/146)}

F26B 17/003 ・・{with fixed floors provided with scrapers (F26B 17/006 and F26B 17/007 take precedence)}

F26B 17/005 ・・{with rotating floors, e.g. around a vertical axis, which may have scrapers (F26B 17/002, F26B 17/006, F26B 17/007 take precedence)}

F26B 17/006 ・・{the movement being imparted by oscillation or vibration}

F26B 17/007 ・・{having a sieve, e.g. classifying arrangement}

F26B 17/008 ・{the material being a slurry or paste applied onto moving elements, e.g. chains, plates, for drying thereon, and subsequently removed therefrom (the element being an endless web or belt-like conveyer F26B 17/023; the element being a disc F26B 17/282; the element being loose inert particles F26B 3/205)}

F26B 17/02 ・with movement performed by belts carrying the materials; with movement performed by belts {or elements attached to endless belts or chains} propelling the materials over stationary surfaces {(the movement being in a helical path F26B 15/26; F26B 17/003, F26B 17/263 take precedence)}

F26B 17/023 ・・{the material being a slurry or paste, which adheres to a moving belt-like endless conveyer for drying thereon, from which it may be removed in dried state, e.g. by scrapers, brushes or vibration}

F26B 17/026 ・・{the material being moved in-between belts which may be perforated}

F26B 17/04 ・・the belts being all horizontal or slightly inclined (F26B 17/08 takes precedence)

F26B 17/045 ・・・{the material on the belt being agitated, dispersed or turned over by mechanical means, e.g. by vibrating the belt, by fixed, rotating or oscillating elements}

F26B 17/06 ・・the belts being all vertical or steeply inclined (F26B 17/08 takes precedence; {for materials in discrete batches F26B 15/22})

F26B 17/08 ・・the belts being arranged in a sinuous or zig-zag path {(F26B 17/026 takes precedence; superimposed tray conveyers F26B 15/146)}

F26B 17/10 ・with movement performed by fluid currents, e.g. issuing from a nozzle, {e.g. pneumatic, flash, vortex or entrainment dryers}(F26B 3/08 takes precedence)

F26B 17/101 ・・{the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis (F26B 17/107 takes precedence)}

F26B 17/102 ・・・{with material recirculation, classifying or desintegrating means (F26B 17/103 takes precedence)}

F26B 17/103 ・・・{with specific material feeding arrangements, e.g. combined with desintegrating means}

F26B 17/104 ・・・{with fixed or moving internal bodies for defining or changing the course of the entrained material}

F26B 17/105 ・・・{the shaft or duct, e.g. its axis, being other than straight, i.e. curved, zig-zag, closed-loop, spiral}

F26B 17/106 ・・{the drying enclosure, e.g. its axis, being substantially straight and horizontal, e.g. pneumatic drum dryers; the drying enclosure consisting of multiple substantially straight and horizontal stretches (F26B 17/107 takes precedence)}

F26B 17/107 ・・{pneumatically inducing within the drying enclosure a curved flow path, e.g. circular, spiral, helical; Cyclone or Vortex dryers (swirl or curved flow path induced mechanically, i.e. by rotating element F26B 3/0923)}

F26B 17/108 ・・{using impinging streams of entrained material}

F26B 17/12 ・with movement performed solely by gravity, {i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft}

F26B 17/122 ・・{the material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls}

F26B 17/124 ・・・{the vertical walls having the shape of at least two concentric cylinders with the material to be dried moving in-between}

F26B 17/126 ・・・{the vertical walls consisting of baffles, e.g. in louvre-arrangement}

F26B 17/128 ・・{with provisions for working under reduced or increased pressure, with or without heating}

F26B 17/14 ・・the materials moving through a counter-current of gas

F26B 17/1408 ・・・{the gas being supplied and optionally extracted through ducts extending into the moving stack of material (in combination with fluid-heated closed tubes or other heating elements in contact with the stack of material F26B 17/16)}

F26B 17/1416 ・・・・{the ducts being half open or perforated and arranged horizontally}

F26B 17/1425 ・・・・{the ducts being perforated and arranged vertically}

F26B 17/1433 ・・・{the drying enclosure, e.g. shaft, having internal members or bodies for guiding, mixing or agitating the material, e.g. imposing a zig-zag movement onto the material (F26B 17/1408, F26B 17/16 take precedence)}

F26B 17/1441 ・・・・{the members or bodies being stationary, e.g. fixed panels, baffles, grids, the position of which may be adjustable}

F26B 17/145 ・・・・・{consisting of non-perforated panels or baffles}

F26B 17/1458 ・・・・・{consisting of perforated panels or baffles; consisting of grids}

F26B 17/1466 ・・・・{the members or bodies being in movement}

F26B 17/1475 ・・・・・{the movement being a vibration or oscillation (F26B 17/26 takes precedence)}

F26B 17/1483 ・・・・・{the movement being a rotation around a vertical axis}

F26B 17/1491 ・・・・・{the movement being a rotation around a horizontal axis}

F26B 17/16 ・・the materials passing down a heated surface, {e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material (F26B 17/128 takes precedence)}

F26B 17/18 ・with movement performed by rotating helical blades or other rotary conveyers {which may be heated} moving materials in stationary chambers, {e.g. troughs}

F26B 17/20 ・・the axis of rotation being horizontal or slightly inclined

F26B 17/205 ・・・{with multiple chambers, e.g. troughs, in superimposed arrangement}

F26B 17/22 ・・the axis of rotation being vertical or steeply inclined ({F26B 17/003 takes precedence})

F26B 17/24 ・with movement performed by shooting or throwing the materials, {e.g. after which the materials are subject to impact (F26B 17/108 takes precedence)}

F26B 17/26 ・with movement performed by reciprocating or oscillating conveyers propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays ({F26B 17/006 takes precedence})

F26B 17/263 ・・{the conveying element making a rotary working movement while being transversely moved in one direction, the reverse or return movement being effected in an inoperative state, e.g. lifted, in rest}.

F26B 17/266 ・・{the materials to be dried being moved in a helical, spiral or circular path, e.g. vibrated helix}

F26B 17/28 ・with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, {the axis of rotation being in fixed position (moving rotating rollers F26B 15/122)}

F26B 17/282 ・・{the materials adhering to, and being dried on, the surface of rotating discs with or without scraping devices}

F26B 17/284 ・・{the materials being dried on the non-perforated surface of heated rollers or drums (arrangements for heating or cooling drums, for removal of condensate F26B 13/183)}

F26B 17/286 ・・・{Arrangements for application of materials to be dried onto the drums or rollers; Arrangements for removing dried materials from the drums or rollers, e.g. doctor blades}

F26B 17/288 ・・{the materials being dried on perforated drums or rollers, e.g. sieve or suction drums}

F26B 17/30 ・with movement performed by rotary or oscillating containers; with movement performed by rotary floors ({the material moving down superimposed floors F26B 17/001})

F26B 17/32 ・・the movement being in a horizontal or slightly inclined plane

F26B 17/34 ・・the movement being in a vertical or steeply inclined plane

F26B 19/00 Machines or apparatus for drying solid materials or objects not covered by groups F26B 9/00 to F26B 17/00

F26B 19/005 ・{Self-contained mobile devices, e.g. for agricultural produce (movable devices with radiation means F26B 3/28; small self-contained devices for drying objects at rest F26B 9/003)}

F26B 20/00 Combinations of machines or apparatus covered by two or more of groups F26B 9/00 to F26B 19/00

F26B 21/00 Arrangements {or duct systems, e.g. in combination with pallet boxes,} for supplying and controlling air or gases for drying solid materials or objects ({F26B 9/10 takes precedence; systems for vehicle body drying B60S 3/002}; air conditioning or ventilation in general F24F)

F26B 21/001 ・{Drying-air generating units, e.g. movable, independent of drying enclosure}

F26B 21/002 ・・{heating the drying air indirectly, i.e. using a heat exchanger (F26B 23/001 takes precedence; closed-loop systems F26B 23/10)}

F26B 21/003 ・{Supply-air or gas filters}

F26B 21/004 ・{Nozzle assemblies; Air knives; Air distributors; Blow boxes (F26B 3/082, F26B 13/104, F26B 13/108, F26B 21/006 take precedence)}

F26B 21/005 ・{Drying-steam generating means}

F26B 21/006 ・{the gas supply or exhaust being effected through hollow spaces or cores in the materials or objects, e.g. tubes, pipes, bottles (F26B 9/003 and F26B 9/103 take precedence)}

F26B 21/007 ・・{the objects being bobbin- or spool-like bodies}

F26B 21/008 ・・{the objects being flexible articles, which may be blown up by the drying gas, e.g. tubes, sausage casings (fire hoses A62C 33/02)}

F26B 21/02 ・Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure (F26B 21/08, F26B 21/14, {F26B 23/022} take precedence)

F26B 21/022 ・・{with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow (varying fan speed F26B 21/12)}

F26B 21/024 ・・・{by using movable fan units}

F26B 21/026 ・・・{by reversing fan rotation}

F26B 21/028 ・・・{by air valves, movable baffles or nozzle arrangements}

F26B 21/04 ・・partly outside the drying enclosure ({F26B 21/006 takes precedence})

F26B 21/06 ・Controlling, e.g. regulating, parameters of gas supply (F26B 21/14 takes precedence; control in general G05)

F26B 21/08 ・・Humidity

F26B 21/083 ・・・{by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves}

F26B 21/086 ・・・{by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle}

F26B 21/10 ・・Temperature; Pressure {(F26B 23/026 takes precedence)}

F26B 21/12 ・・Velocity of flow; Quantity of flow, {e.g. by varying fan speed, by modifying cross flow area (F26B 21/004 takes precedence; changing air flow pattern F26B 21/022)}

F26B 21/14 ・using gases or vapours other than air or steam, {e.g. inert gases}

F26B 21/145 ・・{Condensing the vapour onto the surface of the materials to be dried (using condensing steam F26B 3/00; using chemical liquids F26B 5/005)}

F26B 23/00 Heating arrangements ({by radiation, e.g. infra-red, ultra-violet, solar F26B 3/28 and F26B 3/30}; using heated air or gases F26B 21/00)

F26B 23/001 ・{using waste heat}

F26B 23/002 ・・{recovered from dryer exhaust gases (F26B 23/022 takes precedence)}

F26B 23/004 ・・・{by compressing and condensing vapour in exhaust gases, i.e. using an open cycle heat pump system}

F26B 23/005 ・・・{using a closed cycle heat pump system (with recycling of drying medium F26B 21/086); using a heat pipe system}

F26B 23/007 ・・{recovered from the dried product (burning the product F26B 23/028)}

F26B 23/008 ・・・{using a heat pump cycle}

F26B 23/02 ・using combustion heating ({F26B 3/305, F26B 13/186, F26B 21/001,}F26B 23/10 take precedence)

F26B 23/022 ・・{incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure}

F26B 23/024 ・・・{by means of catalytic oxidation}

F26B 23/026 ・・{with pulse combustion, e.g. pulse jet combustion drying of particulate materials}

F26B 23/028 ・・{using solid fuel; burning the dried product}

F26B 23/04 ・using electric heating (F26B 23/10 takes precedence)

F26B 23/06 ・・resistance heating

F26B 23/10 ・using tubes or passages containing heated fluids, {e.g. acting as radiative elements; Closed-loop systems (for combustion gases F26B 3/305)}

F26B 25/00 Details of general application not covered by group F26B 21/00 or F26B 23/00(loading, conveying, and unloading in general B65G)

F26B 25/001 ・{Handling, e.g. loading or unloading arrangements}

F26B 25/002 ・・{for bulk goods (F26B 17/103 takes precedence)}

F26B 25/003 ・・{for articles}

F26B 25/004 ・・・{in the shape of discrete sheets (wicket conveyers F26B 15/085)}

F26B 25/005 ・{Treatment of dryer exhaust gases (incineration of volatiles F26B 23/022)}

F26B 25/006 ・・{Separating volatiles, e.g. recovering solvents from dryer exhaust gases}

F26B 25/007 ・・{Dust filtering; Exhaust dust filters}

F26B 25/008 ・{Seals, locks, e.g. gas barriers or air curtains, for drying enclosures (F26B 11/024 and F26B 13/005 take precedence)}

F26B 25/009 ・{Alarm systems; Safety sytems, e.g. preventing fire and explosions (using inert gases F26B 21/14)}

F26B 25/02 ・Applications of driving mechanisms, not covered by another subclass

F26B 25/04 ・Agitating, stirring, or scraping devices {(Arrangement of doctor blades F26B 17/286)}

F26B 25/06 ・Chambers, containers, or receptacles {(large containers having means for heating, cooling, aerating or other conditioning of contents B65D 88/74)}

F26B 25/063 ・・{Movable containers or receptacles, e.g. carts, trolleys, pallet-boxes (for use in freeze-drying apparatus F26B 5/06; in general B62D)}

F26B 25/066 ・・{Movable chambers, e.g. collapsible, demountable (self-contained mobile devices, e.g. for agricultural produce F26B 19/005)}

F26B 25/08 ・・Parts thereof

F26B 25/10 ・・・Floors, roofs, or bottoms; False bottoms

F26B 25/12 ・・・Walls or sides; Doors

F26B 25/14 ・・Chambers, containers, receptacles of simple construction

F26B 25/16 ・・・mainly closed, e.g. drum

F26B 25/18 ・・・mainly open, e.g. dish, tray, pan, {rack (for drying agricultural produce A01F 25/12)}

F26B 25/185 ・・・・{Spacers; Elements for supporting the goods to be dried, i.e. positioned in-between the goods to build a ventilated stack (separators for articles packaged in stacks B65D 57/00; manipulating spacers for stacking purposes B65G 57/005)}

F26B 25/20 ・Rollers (F26B 25/06, {F26B 13/14} take precedence)

F26B 25/22 ・Controlling the drying process in dependence on liquid content of solid materials or objects

F26B 25/225 ・・{by repeated or continous weighing of the material or a sample thereof}

F26B 2015/00 Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form (F26B 13/00, F26B 17/00 take precedence; conveyers in general B65G)

F26B 2015/003 ・the load carrying elements having provisions for defining drying gas ducts, e.g. panels

F26B 2015/006 ・the drying tunnel not being partitioned by load carrying elements

F26B 2200/00 Drying processes and machines for solid materials characterised by the specific requirements of the drying good

F26B 2200/02 ・Biomass, e.g. waste vegetative matter, straw

F26B 2200/04 ・Garbage

F26B 2200/06 ・Grains, e.g. cereals, wheat, rice, corn

F26B 2200/08 ・Granular materials

F26B 2200/10 ・Grass

F26B 2200/12 ・Manure

F26B 2200/14 ・Sand

F26B 2200/16 ・Sea weed; Marine products

F26B 2200/18 ・Sludges, e.g. sewage, waste, industrial processes, cooling towers

F26B 2200/20 ・Teas, i.e. drying, conditioning, withering of tea leaves

F26B 2200/22 ・Tobacco leaves

F26B 2200/24 ・Wood particles, e.g. shavings, cuttings, saw dust

F26B 2210/00 Drying processes and machines for solid objects characterised by the specific requirements of the drying good

F26B 2210/02 ・Ceramic articles or ceramic semi-finished articles

F26B 2210/04 ・Eggs

F26B 2210/06 ・Long pasta, e.g. spaghetti

F26B 2210/08 ・Short pasta, e.g. macaroni, vermicelli

F26B 2210/10 ・Umbrellas

F26B 2210/12 ・Vehicle bodies, e.g. after being painted

F26B 2210/14 ・Veneer, i.e. wood in thin sheets

F26B 2210/16 ・Wood, e.g. lumber, timber