| Patents for B04B 1 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles (4,479) |
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| 11/03/1992 | US5160311 Centrifugal separator having a device for the transformation of kinetic energy to pressure energy |
| 11/03/1992 | US5160309 Centrifugal separator with pumping means, arranged to accomplish a circulating flow |
| 10/28/1992 | EP0510053A1 Decanter centrifuge gearboxes |
| 10/22/1992 | DE4112544A1 Self-emptying centrifuge with reduced rotational distortion - has mantle and base arranged to create two mantle segments with mechanical moments equal at their junction |
| 10/20/1992 | US5156751 Three stage centrifuge and method for separating water and solids from petroleum products |
| 10/20/1992 | US5156586 Orbital separator for orbitally separating a mixture |
| 10/14/1992 | EP0507924A1 Centrifugal separator with receiving chamber for additional liquid |
| 10/07/1992 | CN2117946U High efficient horizontal centrifuge for removing liquid |
| 09/29/1992 | US5151079 Centrifugal separation device |
| 09/23/1992 | CN2116530U Vertical centrifugal vacuum dewatering machine |
| 09/22/1992 | US5149432 Centrifuge for separating liquids of different specific gravities |
| 09/15/1992 | US5147280 Energy transformation device |
| 09/15/1992 | US5147277 Power-efficient liquid-solid separating centrifuge |
| 09/10/1992 | DE4107485A1 Device for controlling differential scroll speed and torque control for decanter centrifuge - has pulley system attached rigidly to electronic torque measurement device, and control system linked to impulse probes which alter the pulley |
| 09/10/1992 | DE4107483A1 Switch arrangement for controlling scroll speed differential of decanter centrifuge - by controlling speed as function of the torque developed between bowl and scroll |
| 09/10/1992 | DE4106874A1 Centrifugal drum for clarifying and separating liquids - has control system for product inlet rate causing small overflow from cylindrical inlet chamber to annular chamber |
| 09/02/1992 | EP0501134A1 Cleaner for stock suspensions |
| 08/26/1992 | CN2113830U Compound screw centrifugal separator |
| 08/19/1992 | EP0499187A1 Valve assembly for a dental evacuation system |
| 08/13/1992 | DE4102695A1 Centrifuge for sepg. fine solid particles from waste water - has weir dividing collecting vessel into first chamber which surrounds feed pump inlet and second larger chamber lying below centrifuge outlet |
| 08/05/1992 | EP0496765A1 Method and apparatus for separation by flotation in a centrifugal field |
| 08/05/1992 | CN2111793U Vibrating conveying centrifugal dewatering machine |
| 08/05/1992 | CN2111792U Outer filtration centrifugal dewatering machine |
| 07/28/1992 | CA1305735C Floating seal arrangement for centrifugal separators and like rotating apparatus |
| 07/22/1992 | CN2110521U Horizontal centrifugal separator |
| 07/21/1992 | US5131544 Device for selectively separating particles in a liquid, in particular for cleaning fibrous paper suspensing |
| 07/08/1992 | EP0370068B1 Centrifugal separator with a discharge device |
| 07/02/1992 | DE4041923A1 Auger-type slurry centrifuge - has auger turns of finer pitch inside tapering portion of cylindrical drum |
| 07/02/1992 | DE4041868A1 Auger-type slurry centrifuge - has interchangeable wear resistant bushes inserted in slurry ports from inside inlet chamber |
| 07/01/1992 | EP0493009A1 Variable frequency centrifuge control |
| 07/01/1992 | EP0491926A1 Orbital separator and method of orbitally separating a mixture |
| 07/01/1992 | CN2108583U Cone type centrifuged separator |
| 07/01/1992 | CN1062310A Frequency-variable receiver |
| 06/25/1992 | WO1992010299A1 Solid bowl, feed screw centrifuge for clearing or separating a liquid-solid mixture |
| 06/25/1992 | DE4041162A1 Screw centrifuge for solids-liq. sepn. - has compression devices for sludge post-dewatering |
| 06/24/1992 | EP0491135A1 Self draining drum for centrifugal sterilization of milk |
| 06/21/1992 | CA2058217A1 Variable frequency centrifuge control |
| 06/17/1992 | EP0490270A2 Method and device for regulating a solid bowl centrifuge |
| 06/17/1992 | CN1061920A Vertical centrifuge with special shaped net-wall de-fluid drum |
| 06/09/1992 | US5120298 Decanter with a to-that-extent vibration-disengaged assembly |
| 06/03/1992 | EP0488086A2 Decanter centrifuge |
| 05/27/1992 | EP0486803A1 Centrifugal separator for concentrating solids in suspension |
| 05/27/1992 | DE4108854C1 Drum centrifuge used in animal fat refining - has series of plates to separate solids and fluids equipped with divider plate having off-take channels to transfer heavy prod. from rim to central off-take chamber |
| 05/27/1992 | CN1061357A High-rate washing centrifuge |
| 05/20/1992 | EP0486260A2 High-rate washing centrifuge |
| 05/14/1992 | WO1992007658A1 Centrifugal separator with receiving chamber for additional liquid |
| 05/14/1992 | CA2044299A1 High-rate washing centrifuge |
| 04/29/1992 | CN2102802U Rear-latent compound centrifugal machine |
| 04/23/1992 | DE4033070A1 Sepg. solid fluid mixts. using centrifuge - involves removing part of fluid from fluid outlet area of centrifuge and/or reducing fluid vol. in centrifuge to set surface liq. level |
| 04/23/1992 | DE4033069A1 Fully-mantled worm drive centrifuge with sieve - for removal of residual moisture from sludge subject to capillary action |
| 04/23/1992 | DE4033012A1 Dewatering esp. of clarification sludge - by combined centrifugal filtering and pressurised gas filtering |
| 04/22/1992 | CN1016321B Centrifugal separator |
| 04/22/1992 | CN1016320B Centrifugal separator |
| 04/16/1992 | WO1992005877A1 Countercurrent washing of solids in a decanter centrifuge |
| 04/16/1992 | WO1992005876A1 Method and apparatus for reduction of particles disintegration |
| 04/14/1992 | US5104520 Apparatus and method for separating constituents |
| 04/14/1992 | CA1298821C Device for separating fine particles of solid matter from waste fluid |
| 03/31/1992 | CA1298255C Separator for separating two mixed liquids having different specific weight |
| 03/25/1992 | EP0194271B1 Closed hemapheresis system |
| 03/25/1992 | CN2099617U Continuous separating machine |
| 03/24/1992 | US5098368 Dewatering |
| 03/18/1992 | EP0474822A1 Particle concentrator. |
| 03/12/1992 | DE4028441A1 SCroll decanter centrifuge with variable bowl-scroll speed - utilising an ancillary variable speed electric pump, to provide constant flow, in the hydraulic control feedback circuit |
| 03/10/1992 | CA1297044C Three-phase separation device using doubly-canted decanter |
| 03/05/1992 | DE4027841A1 Continuous fed basket type centrifuge - useful for concentration of aqueous fluids by removal of water as ice, e.g. fruit juices |
| 03/04/1992 | CN2097688U Centrifugal filter machine |
| 02/20/1992 | DE4025669A1 Fully enclosed centrifuge assembly - has outlet nozzles in outer housing and has control disc which rotates at fluctuating speed |
| 02/05/1992 | EP0469944A2 Energy recovery for a decanter centrifuge |
| 01/29/1992 | EP0468028A1 Centrifugal separator with annular discs in the inlet chamber. |
| 01/29/1992 | CN2094395U 离心分离机 Centrifuge |
| 01/15/1992 | CN1015294B Improved centrifugal separtor with ratating seals on fixed upper head |
| 01/11/1992 | WO1992000810A1 Orbital separator and method of orbitally separating a mixture |
| 12/24/1991 | CA1293455C Separator for dental suction systems |
| 12/18/1991 | EP0461918A1 Improvements in separating systems |
| 11/27/1991 | CN1014871B Separator for separating two mixed liquids having different specific weight |
| 11/26/1991 | US5067939 Conveyorless clarifier |
| 11/21/1991 | EP0270579B1 Decanter centrifuge |
| 11/06/1991 | EP0242358B1 Method of separation of a dental solid-liquid mixture |
| 10/23/1991 | CN2087098U Continuous centrifuge |
| 10/17/1991 | WO1991015299A1 Particle concentrator |
| 10/16/1991 | CN1055307A 离心分离器 Centrifugal separator |
| 10/03/1991 | WO1991014505A1 Low speed particle concentrator |
| 10/03/1991 | CA2013694A1 Particle concentrator |
| 10/01/1991 | US5052996 Centrifugal separator |
| 09/25/1991 | EP0447742A2 Decanter centrifuge |
| 09/19/1991 | WO1991013686A1 Decanter centrifuge |
| 09/19/1991 | DE4026952C1 Sepn. and classification of solids - involves centrifuge with slide control system |
| 09/19/1991 | DE4008668A1 Sepn. appts. for solids in suspensions - has rotating drum with base and is divided into ring chambers from which solids are scraped onto conveyor and tubular scoop removes water |
| 09/18/1991 | CN1013930B Centrifugal conentrator |
| 09/12/1991 | DE4007304A1 Porous sheet structure - used as cleaner around centrifugal cooling lubricant to aid removal of heavier collected solids |
| 09/04/1991 | EP0444271A2 Disc for a centrifugal separator |
| 09/03/1991 | US5045049 Centrifugal separator |
| 09/03/1991 | US5045046 Apparatus for oil separation and recovery |
| 08/22/1991 | WO1991012082A1 Centrifugal separator with annular discs in the inlet chamber |
| 08/20/1991 | US5041075 Continuous-operation centrifuge drum for concentrating suspended solids |
| 08/14/1991 | EP0441410A1 Procedure to separate solid particles from liquid particles of a dental mixture |
| 08/08/1991 | WO1991011263A1 Adjustment mechanism for low speed particle concentrator |
| 08/06/1991 | US5037373 Solids-liquids separator |
| 08/06/1991 | US5037372 Drive system for a decanting centrifuge |
| 07/30/1991 | CA1287026C Centrifuge employing variable height discharge weir |