WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B04B　CENTRIFUGES (high-speed drum mills B02C 19/11; domestic spin driers D06F; analysing, measuring or monitoring physical or chemical properties of samples during centrifuging, see the relevant subclasses for these procedures, e.g. G01N)

B04B 1/00 Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles

B04B 1/02 ・without inserted separating walls

B04B 1/04 ・with inserted separating walls

B04B 1/06 ・・of cylindrical shape

B04B 1/08 ・・of conical shape

B04B 1/10 ・with discharging outlets in the plane of the maximum diameter of the bowl {(cleaning B04B 15/06)}

B04B 1/12 ・・with continuous discharge

B04B 1/14 ・・with periodical discharge

B04B 1/16 ・・・with discharging outlets controlled by the rotational speed of the bowl

B04B 1/18 ・・・・controlled by the centrifugal force of an auxiliary liquid

B04B 1/20 ・discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl

B04B 1/2008 ・・{with an abrasion-resistant conveyer or drum}

B04B 1/2016 ・・{Driving control or mechanisms; Arrangement of transmission gearing}

B04B 3/00 Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering

B04B 3/02 ・discharging solid particles from the bowl by means coaxial with the bowl axis and moving to and fro, i.e. push-type centrifuges

B04B 3/025 ・・{with a reversible filtering device}

B04B 3/04 ・discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl

B04B 3/06 ・discharging solid particles by vibrating the bowl

B04B 3/08 ・discharging solid particles by bowl walls in the form of endless bands

B04B 5/00 Other centrifuges

B04B 5/005 ・{Centrifugal separators or filters for fluid circulation systems, e.g. for lubricant oil circulation systems}

B04B 5/02 ・Centrifuges consisting of a plurality of separate bowls rotating round an axis situated between the bowls

B04B 5/04 ・Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers

B04B 5/0407 ・・{for liquids contained in receptacles (B04B 5/0442 takes precedence)}

B04B 5/0414 ・・・{comprising test tubes}

B04B 5/0421 ・・・・{pivotably mounted}

B04B 5/0428 ・・・{with flexible receptacles}

B04B 5/0442 ・・{with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation}

B04B 5/06 ・Centrifugal counter-current apparatus

B04B 5/08 ・Centrifuges for separating predominantly gaseous mixtures

B04B 5/10 ・Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges (B04B 5/12 takes precedence; magnetic or electrostatic separators B03C; {amassing particles by electric fields, e.g. by agglomeration B03C 3/0175})

B04B 5/12 ・Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers

B04B 7/00 Elements of centrifuges (drives B04B 9/00; feeding, charging, or discharging appurtenances or devices B04B 11/00)

B04B 7/02 ・Casings; Lids (shock absorbers, vibration dampers F16F)

B04B 7/04 ・・Casings facilitating discharge

B04B 7/06 ・・Safety devices; {Regulating}

B04B 7/08 ・Rotary bowls (centrifugal casting machines B22D)

B04B 7/085 ・・{fibre- or metal-reinforced}

B04B 7/10 ・・Bowls for shaping solids

B04B 7/12 ・・Inserts, e.g. armouring plates

B04B 7/14 ・・・for separating walls of conical shape

B04B 7/16 ・・・Sieves or filters (filters in general B01D; sieves in general B07B)

B04B 7/18 ・・formed or coated with sieving or filtering elements (filters in general B01D; sieves in general B07B)

B04B 9/00 Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls

B04B 9/02 ・Electric motor drives {(dynamo-electric machines associated with centrifuges H02K 7/16)}

B04B 9/04 ・・Direct drive

B04B 9/06 ・Fluid drive

B04B 9/08 ・Arrangement or disposition of transmission gearing {(for solid bowl screw centrifuges B04B 1/2016); Couplings; Brakes}

B04B 9/10 ・Control of the drive; Speed regulating {(for solid bowl screw centrifuges B04B 1/2016)}

B04B 9/12 ・Suspending rotary bowls; {Bearings; Packings for bearings}

B04B 9/14 ・Balancing rotary bowls (balancing per seG01M); {Schrappers}

B04B 9/146 ・・{Unbalance detection devices}

B04B 11/00 Feeding, charging, or discharging bowls (B04B 1/00, B04B 3/00, B04B 7/04 take precedence)

B04B 11/02 ・Continuous feeding or discharging; Control arrangements therefor

B04B 11/04 ・Periodical feeding or discharging; Control arrangements therefor

B04B 11/043 ・・{Load indication with or without control arrangements}

B04B 11/05 ・・Base discharge

B04B 11/06 ・Arrangement of distributors or collectors in centrifuges

B04B 11/08 ・Skimmers or scrapers for discharging; {Regulating thereof}

B04B 11/082 ・・{Skimmers for discharging liquid}

B04B 13/00 Control arrangements specially designed for centrifuges; Programme control of centrifuges (control arrangements for feed, charge, or discharge B04B 11/00)

B04B 13/003 ・{Rotor identification systems}

B04B 15/00 Other accessories for centrifuges

B04B 15/02 ・for cooling, heating, or heat insulating

B04B 15/04 ・for suppressing the formation of foam

B04B 15/06 ・for cleaning bowls, filters, sieves, inserts, or the like

B04B 15/08 ・for ventilating or producing a vacuum in the centrifuge

B04B 15/10 ・for forming a filtering layer in the rotary bowl

B04B 15/12 ・for drying or washing the separated solid particles

B04B 2001/00 Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles

B04B 2001/20 ・discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl

B04B 2001/2016 ・・{Driving control or mechanisms; Arrangement of transmission gearing}

B04B 2001/2025 ・・・with drive comprising a planetary gear

B04B 2001/2033 ・・with feed accelerator inside the conveying screw

B04B 2001/2041 ・・with baffles, plates, vanes or discs attached to the conveying screw

B04B 2001/205 ・・with special construction of screw thread e.g. segments, height

B04B 2001/2058 ・・with ribbon-type screw conveyor

B04B 2001/2066 ・・with additional disc stacks

B04B 2001/2075 ・・with means for recovering the energy of the outflowing liquid

B04B 2001/2083 ・・Configuration of liquid outlets

B04B 2001/2091 ・・Configuration of solids outlets

B04B 2005/00 Other centrifuges

B04B 2005/04 ・Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers

B04B 2005/0407 ・・{for liquids contained in receptacles (B04B 5/0442 takes precedence)}

B04B 2005/0435 ・・・with adapters for centrifuge tubes or bags

B04B 2005/0442 ・・{with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation}

B04B 2005/045 ・・・having annular separation channels

B04B 2005/0457 ・・・having three-dimensional spirally wound separation channels

B04B 2005/0464 ・・・with hollow or massive core in centrifuge bowl

B04B 2005/0471 ・・・with additional elutriation separation of different particles

B04B 2005/0478 ・・・with filters in the separation chamber

B04B 2005/0485 ・・・with a displaceable piston in the centrifuge chamber

B04B 2005/0492 ・・・with fluid conveying umbilicus between stationary and rotary centrifuge parts

B04B 2005/10 ・Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges (B04B 5/12 takes precedence; magnetic or electrostatic separators B03C; {amassing particles by electric fields, e.g. by agglomeration B03C 3/0175})

B04B 2005/105 ・・being a grinding mill

B04B 2005/12 ・Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers

B04B 2005/125 ・・the rotors comprising separating walls

B04B 2007/00 Elements of centrifuges (drives B04B 9/00; feeding, charging, or discharging appurtenances or devices B04B 11/00)

B04B 2007/005 ・Retaining arms for gripping the stationary part of a centrifuge bowl or hold the bowl itself

B04B 2007/02 ・Casings; Lids (shock absorbers, vibration dampers F16F)

B04B 2007/025 ・・Lids for laboratory centrifuge rotors

B04B 2007/06 ・・Safety devices; {Regulating}

B04B 2007/065 ・・・Devices and measures in the event of rotor fracturing e.g. lines of weakness, stress regions

B04B 2009/00 Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls

B04B 2009/08 ・Arrangement or disposition of transmission gearing {(for solid bowl screw centrifuges B04B 1/2016); Couplings; Brakes}

B04B 2009/085 ・・Locking means between drive shaft and rotor

B04B 2009/14 ・Balancing rotary bowls (balancing per seG01M); {Schrappers}

B04B 2009/143 ・・by weight compensation with liquids

B04B 2011/00 Feeding, charging, or discharging bowls (B04B 1/00, B04B 3/00, B04B 7/04 take precedence)

B04B 2011/04 ・Periodical feeding or discharging; Control arrangements therefor

B04B 2011/046 ・・Loading, unloading, manipulating sample containers

B04B 2011/08 ・Skimmers or scrapers for discharging; {Regulating thereof}

B04B 2011/084 ・・with cables for cake removal

B04B 2011/086 ・・with a plurality of scraper blades

B04B 2011/088 ・・with angularly and axially offset scrapers

B04B 2013/00 Control arrangements specially designed for centrifuges; Programme control of centrifuges (control arrangements for feed, charge, or discharge B04B 11/00)

B04B 2013/006 ・Interface detection or monitoring of separated components