| Patents for B04C 3 - Apparatus in which the axial direction of the vortex remains unchanged (1,753) |
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| 07/30/1991 | US5035730 Mist recovery apparatus with twisted strip inserted pipes |
| 07/16/1991 | CA1286233C Column for removing liquid from a gas |
| 07/03/1991 | CN1013055B Apparatus for the pyrometallurgical processing of fine-grained solids to make molten products |
| 07/02/1991 | US5028318 Cyclonic system for separating debris particles from fluids |
| 06/12/1991 | EP0302854B1 A circulation fluidized bed reactor |
| 06/05/1991 | EP0430647A1 Method and apparatus for removing solid particulates from a fluid stream |
| 05/22/1991 | EP0273908B1 Circulating fluidized bed reactor |
| 05/15/1991 | EP0426955A2 Gas-water mixture for use in conditions of weightlessness |
| 05/02/1991 | DE3936078A1 Vortex chamber for cyclone dust separator - has tangential inlet ducts arranged in rotational symmetry |
| 05/01/1991 | WO1991006703A1 Pulseless screen |
| 05/01/1991 | CN1050993A Device for separating solid particles from fluid |
| 04/24/1991 | EP0424079A1 Device for separating solid particles from a fluid |
| 04/23/1991 | US5009785 System and apparatus for the separation of multi-phase mixture |
| 04/23/1991 | US5009784 Cyclone separator with oppositely directed separating chambers |
| 04/23/1991 | US5009774 Pulseless screen |
| 04/23/1991 | US5009684 Multiple cyclone separator |
| 04/17/1991 | CN1012338B Particle separator |
| 04/16/1991 | US5008014 Separator |
| 04/10/1991 | EP0303641B1 Transport ventilator |
| 03/19/1991 | US5000766 Suction system gas separator from fluid |
| 02/27/1991 | EP0281628B1 Contact-separation element |
| 02/26/1991 | US4995989 Separating liquids |
| 01/31/1991 | DE4020760A1 Turbine power generation system - has reactor and separator to retain carbon and hydrocarbons of higher density |
| 01/15/1991 | US4985058 Vortex tube separating device |
| 01/10/1991 | DE3920767A1 Cyclone type dust separator for engine air inlet - has housing, air inlet element and dust outlet made of one piece |
| 01/02/1991 | EP0405303A1 Mist recovery apparatus with twisted strip inserted pipes |
| 01/02/1991 | CN2068426U Integration centrifugal filter |
| 12/27/1990 | EP0403545A1 Heat exchanger. |
| 12/27/1990 | EP0325607A4 Cyclone separator |
| 12/27/1990 | EP0256014B1 System and apparatus for the separation of multi-phase mixtures |
| 12/19/1990 | CN2067606U Dry type duster with high efficiency and low resistance |
| 12/12/1990 | EP0401708A1 Swirl chamber atomizer |
| 12/12/1990 | EP0401276A1 Separating liquids |
| 12/12/1990 | EP0281630A4 Axial swirler of contact-separation element |
| 12/11/1990 | US4976748 Vortex tube separating device |
| 12/05/1990 | EP0400202A2 Gas liquid separator |
| 12/04/1990 | US4975192 Cyclone separator |
| 12/04/1990 | CA1277246C Tandem curved arm steam-water separator |
| 11/22/1990 | EP0398864A2 Method and device for the separation of substances from a medium |
| 11/20/1990 | US4971603 Pollution control by removal of particles, tubes, rotation, guides |
| 11/13/1990 | CA1276116C Separation method of polymer powder and carrier gas |
| 10/31/1990 | DE3930951A1 Centrifugal sepn. of liq. from gas - with settlement tank for partly sepd. media to increase total efficiency |
| 10/09/1990 | US4961863 Process for the separation of solids from a mixture of solids and fluid |
| 10/03/1990 | EP0390373A2 Steam-water separating system for boiling water nuclear reactors |
| 10/02/1990 | CA1274791A1 Spiral coil cool wall construction for high temperature cylindrical furnaces, vessels, cyclones, etc. |
| 09/11/1990 | US4956091 Apparatus for separating solid particles from a fluid |
| 08/14/1990 | US4948396 Compound vortex filtering apparatus |
| 07/31/1990 | CA1272020A1 Apparatus for the pyrometallurgical processing of fine-grained solids to make molten products |
| 07/18/1990 | EP0377952A2 Improved apparatus for cleaning air in coal mines |
| 07/12/1990 | CA2003072A1 Improved apparatus for cleaning air in coal mines |
| 06/21/1990 | DE3842000A1 Centrifugal separator for an exhaust purification device |
| 06/19/1990 | CA1270449A1 Combination downflow-upflow vapor-liquid separator |
| 06/13/1990 | CN2058229U Inner-pipe type inertia separator for circulating boiler |
| 05/31/1990 | WO1990005591A1 Centrifugal separator |
| 05/16/1990 | CN1042095A Apparatus for separating solid particles from fluid |
| 05/08/1990 | CA1268698A1 Green-house curtain |
| 04/10/1990 | EP0346328A4 Hydrocyclones. |
| 04/05/1990 | DE3832420A1 Centrifugal-force vapour precipitator |
| 03/28/1990 | EP0360357A2 Apparatus for separating solid particles from a fluid |
| 03/27/1990 | US4912733 Steam-water separating system for boiling water nuclear reactors |
| 03/22/1990 | WO1990002593A1 Separator |
| 03/13/1990 | US4908051 Axial swirl device for a contact and separation member |
| 02/13/1990 | US4900516 For combustor, gasifier and carrying out chemical processes |
| 02/08/1990 | DE3826454A1 Apparatus for separating off impurities from gas |
| 01/24/1990 | EP0351409A1 Method and separator for separating solid particles from a hot gas stream |
| 01/23/1990 | US4895582 Vortex chamber separator |
| 01/09/1990 | CA1264305A1 Hydrocyclone separator apparatus |
| 01/03/1990 | CN2050350U Complex eddying wet-type high efficency dust remover |
| 12/20/1989 | EP0346328A1 Hydrocyclones. |
| 12/12/1989 | US4886523 Expansion to high subsonic velocity, recompression by deceleration, inertial separation of particles |
| 12/06/1989 | EP0344750A2 Vortex tube separating device |
| 12/06/1989 | EP0344749A2 Vortex tube separating device |
| 12/06/1989 | EP0344748A2 Vortex tube separating device |
| 11/28/1989 | US4883406 Transport ventilator |
| 10/26/1989 | DE3905894A1 Cyclone preseparator |
| 10/25/1989 | EP0338019A1 Multiple cyclone separator. |
| 10/19/1989 | WO1989009653A1 Cyclone separator |
| 10/11/1989 | CN1036150A Apparatus for separation of solids from mixture of solids and fluid |
| 10/10/1989 | USRE33085 Precleaner |
| 10/03/1989 | US4871147 Apparatus for the pyrometallurgical processing of fine-grained solids |
| 09/27/1989 | EP0334471A2 Controlling exhaust gas emissions |
| 09/27/1989 | CN1035885A 热交换器 Heat exchanger |
| 09/26/1989 | US4869737 Apparatus for cleaning air in coal mines |
| 09/26/1989 | CA1261121A1 Circulating fluidized bed reactor |
| 09/26/1989 | CA1260410A1 Centrifugal separator of mixture |
| 09/21/1989 | WO1989008813A1 Heat exchanger |
| 09/13/1989 | EP0332277A2 Apparatus for the separation of solids from a mixture of solids and fluid |
| 09/06/1989 | CN2043894U Power dust remover |
| 09/05/1989 | US4863605 Hydrocyclone with parallel rotor vanes and annular ring members |
| 08/24/1989 | WO1989007490A1 Separating liquids |
| 08/22/1989 | US4859347 Centrifugal separator |
| 08/15/1989 | US4857197 Liquid separator with tangential drive fluid introduction |
| 08/15/1989 | US4857175 Centrifugal debris catcher |
| 08/02/1989 | EP0325607A1 Cyclone separator |
| 08/01/1989 | CA1258037A1 Apparatus for separating solids in a circulating fluidized bed reactor |
| 07/25/1989 | US4850537 Method and apparatus for producing multivortex fluid flow |
| 07/18/1989 | US4849096 Cleaning arrangement for suspensions |
| 07/18/1989 | US4848991 Vortex chamber separator |
| 07/12/1989 | CN2040998U Compound dust-collection device |
| 06/21/1989 | EP0177527B1 Two- or multi-component reactor |