| Patents for B04C 5 - Apparatus in which the axial direction of the vortex is reversed (6,912) |
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| 03/18/1992 | EP0475338A1 Apparatus to separate gaseous substances from a liquid |
| 03/18/1992 | EP0475252A1 Gas-liquid separator |
| 03/18/1992 | EP0474686A1 Filtering unit |
| 03/17/1992 | US5096587 Hydrocyclone conduit |
| 03/14/1992 | CA2051061A1 Powder and granule inspection apparatus |
| 03/10/1992 | US5094674 Device for separation of air from flotation slush |
| 03/05/1992 | DE4026767A1 Hydro-cyclone for separating solid matter from water - has deflector vanes formed on wall of inner chamber |
| 03/04/1992 | EP0473566A2 Gas sparged hydrocyclone |
| 03/03/1992 | US5093006 Liquid separator |
| 03/01/1992 | CA2042631A1 Gas sparged centrifugal device |
| 02/20/1992 | WO1992002288A1 Gas-liquid separator |
| 02/19/1992 | CN2096419U Cyclone dirt remover |
| 02/12/1992 | EP0470946A1 Hydrocyclone deinking and removal of sticky contaminants during paper recycling |
| 02/12/1992 | EP0314741B1 Gas purifying cyclone |
| 02/10/1992 | CA2044383A1 Hydrocyclone deinking and removal of sticky contaminants during paper recycling |
| 02/04/1992 | WO1992002292A1 Exhaust gas processor and exhaust gas processing equipment |
| 02/01/1992 | CA2048126A1 Hydrocyclone conduit |
| 01/29/1992 | EP0468426A2 Classifier for powdery material |
| 01/24/1992 | CA2047494A1 Classifier for powdery material |
| 01/22/1992 | EP0466798A1 Device for separating fibres and gas |
| 01/22/1992 | CN2093697U Cyclonic inertial dust collector with louver boards |
| 01/21/1992 | CA1294566C Dust collector |
| 01/16/1992 | DE4021094A1 Sepn. of dust from air current - involves chamber and fan suction sides are connected to two outlet pipes |
| 01/15/1992 | CN2093042U High-efficiency low drag whirlwind type dust remover |
| 01/07/1992 | US5078761 Shroud |
| 01/07/1992 | US5078549 Hydrocyclone |
| 12/26/1991 | WO1991019572A1 Flotation cyclone |
| 12/25/1991 | CN2091182U Multi-functional electron concentrating machine and petroleum treating unit |
| 12/25/1991 | CN1057214A Ash-water separating dust remover |
| 12/18/1991 | CN1057015A 旋风分离器 Cyclone |
| 12/17/1991 | US5073177 Rotational particle separator |
| 12/12/1991 | WO1991018676A1 Multiple step cyclone separator |
| 12/12/1991 | WO1991018655A1 Rotating sleeve hydrocyclone |
| 12/11/1991 | EP0267187B1 Cyclone separator |
| 12/11/1991 | CN2090292U High-efficiency double-stage multiple pipe cyclonic scrubber for boiler |
| 12/10/1991 | US5071557 Liquid/liquid hydrocyclone |
| 12/10/1991 | US5071556 Hydrocyclone having a high efficiency area to volume ratio |
| 12/10/1991 | US5071542 Anti-suction cyclone separation method and apparatus |
| 12/10/1991 | US5071057 Method of making, and welding fixture for, water-steam cooled cyclone roof assembly |
| 12/04/1991 | EP0266417B1 Reduction of no x? in flue gas |
| 12/03/1991 | US5069751 Froth flotation |
| 11/27/1991 | EP0457983A1 Cyclone separator including a hopper formed by water-steam cooled walls |
| 11/27/1991 | EP0457821A1 Method and apparatus for cleaning of a pulp suspension |
| 11/19/1991 | US5066315 Reverse gas flow by rapid pressure rise |
| 11/13/1991 | EP0401276A4 Separating liquids |
| 11/08/1991 | WO1991016988A1 Hydrocyclone plant |
| 11/08/1991 | WO1991016987A1 Hydrocyclone assembly |
| 11/06/1991 | CN2088000U Cyclonic geothermal water sand-remover |
| 11/06/1991 | CN2087999U Impurity-removing cyclone separating device for powder |
| 11/05/1991 | US5062955 Rotating sleeve hydrocyclone |
| 11/05/1991 | US5062870 Shut-off device for cyclonic vacuum cleaner |
| 10/22/1991 | US5059225 Gas purifying cyclone |
| 10/19/1991 | WO1991016136A1 Interstage separator |
| 10/17/1991 | WO1991015302A1 Apparatus and method for separation of wet and dry particles |
| 10/16/1991 | CN2086635U Tqx-model whirlwind duster |
| 10/09/1991 | EP0450510A2 Cyclone with adjustable dust collection |
| 10/09/1991 | CN2086172U Single tube vortex duster |
| 10/08/1991 | US5055202 Method and apparatus for maintaining predetermined cyclone separation efficiency |
| 10/03/1991 | WO1991014494A1 Cyclone separator |
| 10/03/1991 | WO1991014492A1 Method and apparatus for separating liquid components from a liquid mixture |
| 10/01/1991 | US5053126 Apparatus for gas liquid separation |
| 10/01/1991 | CA1289913C Cyclone |
| 09/25/1991 | EP0448282A1 Separator |
| 09/25/1991 | EP0447887A1 Apparatus for the separation of air from flotation turbid liquids |
| 09/25/1991 | EP0447802A2 Vortex finder and method of manufacturing same |
| 09/17/1991 | US5049277 Cyclone separator |
| 09/17/1991 | CA2037568A1 Separator |
| 09/10/1991 | CA1288731C Fiber recovery elutriating hydrocyclone |
| 09/05/1991 | WO1991012893A1 Improvements relating to hydrocyclone systems |
| 09/04/1991 | CN2083961U Cyclonic cleaning smoke eleminating and dust reducing device |
| 09/03/1991 | US5045218 Method of separating a lighter dispersed fluid from a denser liquid in a hydrocyclone having flow-modifying means |
| 09/03/1991 | US5045098 Bag separator |
| 08/27/1991 | US5042169 Interstage separator |
| 08/14/1991 | DE4003715A1 High-pressure separator for hydrogenation of hydrocarbon(s) - has inner wall of the insulated pressure vessel made from spiral of rectangular tube through which coolant is passed |
| 08/07/1991 | CN1053565A Size grading method and apparatus for micropowders via sharply-turned efflux |
| 08/06/1991 | US5037617 Regenerating cracking catalyst |
| 08/06/1991 | US5037558 Liquid separator |
| 07/31/1991 | CN1053374A Suspension classifier |
| 07/30/1991 | CA1287018C Method and system for preventing stoppage of apex flow in parallel hydrocyclone arrays |
| 07/25/1991 | WO1991010511A1 Separating apparatus |
| 07/23/1991 | US5033915 Low pressure drop steam/water conical cyclone separator |
| 07/23/1991 | CA1286636C Liquid cyclone or centrifugal cleaner |
| 07/23/1991 | CA1286635C Hydrocyclones, particularly pulp cleaner cones of the canister operated type |
| 07/18/1991 | DE4000845A1 Sepg. gas-liq. mixt. - using first cyclone chamber to separate liq. from gas and second fine sepn. chamber with fine pored fixed filter |
| 07/17/1991 | EP0436973A2 Device for separating liquids and/or solids from a gas stream |
| 07/16/1991 | US5032275 Cyclone separator |
| 07/16/1991 | CA1286345C Feed and separation device |
| 07/16/1991 | CA1286232C Hybrid double hydrocyclone-gravity gas/liquid separator |
| 07/09/1991 | US5029448 Oil separator for refrigeration systems |
| 07/03/1991 | EP0434671A1 Liquid separator |
| 07/03/1991 | CN2080000U Multi-inlet cyclone separator |
| 07/02/1991 | US5028318 Cyclonic system for separating debris particles from fluids |
| 06/25/1991 | US5026486 Method for controlling apex flow in an array of parallel hydrocyclones for cleaning aqueous fiber suspensions |
| 06/18/1991 | US5024755 Cone wear detection |
| 06/11/1991 | CA1284773C Gas-water separator |
| 06/05/1991 | EP0430647A1 Method and apparatus for removing solid particulates from a fluid stream |
| 06/05/1991 | EP0429919A2 Arrangements for detecting the wear of a cyclone cone |
| 06/04/1991 | US5021165 Centrifuge used to precondition a mixture before admission to flotation device |
| 05/30/1991 | WO1991007231A1 A method for separating fibre suspensions |
| 05/22/1991 | CN2077332U Built-up cyclone separator |