Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
---|
10/19/1994 | EP0620363A1 Integration of combustor-turbine units and pressure processors by means of integral-gear |
10/19/1994 | CN2179921Y Vortex fluid machinery |
10/19/1994 | CN1093777A Rotative bed compressor |
10/18/1994 | US5356277 Refrigerant contains no chlorine; manganese phosphate coating on bearing surfaces to prevent cohesion and seizure |
10/18/1994 | US5356276 Spiral displacement machine made of magnesium alloy |
10/18/1994 | US5356271 Capacity control mechanism for scroll-type compressor |
10/18/1994 | CA1332593C Scroll gas compressor |
10/11/1994 | US5354184 Windage loss reduction arrangement for scroll fluid device |
10/11/1994 | US5354179 Fluid rotating apparatus |
10/11/1994 | CA1332387C Pre-testable and repairable hermetic scroll type compressor |
10/05/1994 | EP0618366A1 Volumetric machine with planetary movement |
10/04/1994 | US5352097 Vacuum pump |
09/29/1994 | WO1994022064A2 Quieted air compressor |
09/29/1994 | WO1994021922A1 Co-rotation scroll compressor supercharger device |
09/29/1994 | WO1994021921A1 Method and apparatus for regulating a compressor lubrication system |
09/29/1994 | WO1994021920A1 Filling, fluid-transporting and pumping device |
09/29/1994 | DE4409343A1 Displacer for a spiral displacement machine |
09/28/1994 | EP0617201A1 Filling, fluid-transporting and pumping device |
09/27/1994 | US5350286 Liquid injection type screw compressor with lubricant relief chamber |
09/22/1994 | DE4092018C2 Scroll compressor |
09/20/1994 | US5348457 Vane-type compressor with at least one suction hole |
09/20/1994 | US5348455 Rotary compressor with rotation preventing pin |
09/20/1994 | US5348448 Fluid rotating apparatus with plural drive motor synchronization system |
09/15/1994 | CA2157267A1 Forced compression type pump |
09/14/1994 | CN2177109Y Rotary sliding sheet type blower |
09/13/1994 | US5346667 Method of manufacturing sintered aluminum alloy parts |
09/13/1994 | US5346375 Delivery valve for a scroll compressor |
09/13/1994 | US5346374 Rotating spiral pump with cooling between radial steps |
09/13/1994 | US5345785 Scroll compressor and air conditioner using the same |
09/13/1994 | CA2118899A1 Integration of combustor-turbine units and integral-gear pressure processors |
09/13/1994 | CA2060807C Scroll compressor including drive pin and roller assembly having sliding wedge member |
09/07/1994 | EP0614012A1 Scroll type positive displacement machine |
09/06/1994 | US5344294 Scroll type fluid apparatus of decreased size |
09/06/1994 | US5344085 Vacuum drainage system |
09/01/1994 | DE4405157A1 Displacement machine for compressible media, and method for coating it with a grease- or paste-like coating composition |
08/31/1994 | EP0612371A1 Rotary screw machine with thrust balanced bearings. |
08/31/1994 | CN2175841Y Coiled compressor with backpressure controlling mechanism |
08/30/1994 | US5342186 Axial actuator for unloading an orbital scroll type fluid material handling machine |
08/30/1994 | US5342184 Scroll machine sound attenuation |
08/30/1994 | US5342183 Scroll compressor with discharge diffuser |
08/30/1994 | CA1331750C Scroll type compressor |
08/24/1994 | CN1091181A Energy-saving eddying machine for air conditioner |
08/23/1994 | US5340292 Scroll compressor with relief port for reduction of vibration and noise |
08/23/1994 | US5340287 Scroll-type compressor having a plate preventing excess lift of the crankshaft |
08/18/1994 | WO1994018456A1 Control system for screw type supercharging apparatus |
08/16/1994 | US5338159 Co-rotational scroll compressor supercharger device |
08/16/1994 | CA2060587C Axially floating scroll member assembly |
08/11/1994 | DE4404054A1 Refrigerant spiral compressor with casing protection devices |
08/09/1994 | US5336070 Fluid compressor having roller bearing |
08/09/1994 | US5336069 Rotary piston fluid pump |
08/09/1994 | US5336068 Scroll-type fluid machine having the eccentric shaft inserted into the moving scroll |
08/09/1994 | US5336058 Scroll-type compressor with variable displacement mechanism |
08/09/1994 | US5335640 Rotor to casing seals for roots type superchargers |
08/03/1994 | CN1090377A Fluid compressor |
08/02/1994 | US5333999 Variable displacement compressor |
07/27/1994 | EP0608073A1 Scroll compressor having high temperature control |
07/26/1994 | US5332377 Fluid compressor for drawing, compressing and charging a fluid |
07/26/1994 | US5332376 Screw compressor for internal combustion engines |
07/26/1994 | CA2049878C Scroll apparatus with enhanced lubricant flow |
07/26/1994 | CA1330976C Rotary compressor gas routing for muffler system |
07/26/1994 | CA1330973C Scroll type compressor with variable displacement mechanism |
07/21/1994 | WO1994016228A1 Vacuum pump with a rotor |
07/21/1994 | DE3744760C2 Compacting machine compressing fluid e.g. refrigeration compressor |
07/19/1994 | US5330463 Scroll type fluid machinery with reduced pressure biasing the stationary scroll |
07/19/1994 | US5330334 Compact Oldham coupling |
07/19/1994 | US5329900 Rotary internal combustion engine |
07/19/1994 | US5329788 Scroll compressor with liquid injection |
07/13/1994 | CN2171703Y 旋转式压缩机 Rotary compressor |
07/13/1994 | CN1025449C Turbocompressor with variable quantity mechanism |
07/12/1994 | US5328342 Scroll compressor with slider contacting an elastic member |
07/12/1994 | US5328341 Synchronizer assembly for a scroll fluid device |
07/12/1994 | US5328340 Scroll type compressor, having welded end shells and shaft subframe |
07/07/1994 | WO1994015100A1 Rotary screw compressor with shaft seal |
07/05/1994 | US5326239 Fluid compressor having a horizontal rotation axis |
06/29/1994 | EP0604358A1 A scroll compressor with a thermally responsive bypass valve for high temperature protection |
06/29/1994 | EP0603698A1 Rolling piston vacuum pump |
06/29/1994 | CN1088666A Conveying screw pair used for rotative compresive pump |
06/28/1994 | CA2051733C Co-rotational scroll apparatus with positive lubricant flow |
06/28/1994 | CA1330430C Scroll type compressor |
06/22/1994 | EP0602143A1 Rotor for a screw rotor machine. |
06/21/1994 | US5322427 Rotary-blade air conditioner compressor for heavy-duty vehicle |
06/21/1994 | US5322426 Displacement machine spiral shaped strip with different curvatures |
06/21/1994 | US5322424 Two stage gas compressor |
06/15/1994 | EP0601959A1 Scroll compressor |
06/15/1994 | EP0601958A1 Sound abatement in rotary compressors |
06/15/1994 | EP0601789A1 Scroll machine with reverse rotation protection |
06/14/1994 | US5320508 Rotary pump and rotor-shaft subassembly for use therein |
06/14/1994 | US5320507 Scroll machine with reverse rotation protection |
06/14/1994 | US5320506 Oldham coupling for scroll compressor |
06/14/1994 | US5320505 Electrochemical machining of scroll wraps |
06/14/1994 | CA2074444C Combination lift piston/axial port unloader arrangement for a screw compressor |
06/09/1994 | WO1994013053A1 Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision |
06/09/1994 | DE4341148A1 Spiral compressor with seal located along spiral - has centre of delivery opening distance from end of stationary spiral relative to centre of phantom circuit |
06/08/1994 | EP0600313A1 Lubrication for rotary compressor |
06/08/1994 | EP0454794B1 Vacuum drainage system |
06/08/1994 | CN2168101Y Vortex disk structure |
06/08/1994 | CN2168100Y Vortex type compressor |
06/08/1994 | CN2168099Y Vortex compressor for cardic external counter pulsation |
06/07/1994 | US5318425 Displacement machine according to the spiral principle |
06/07/1994 | US5318424 Minimum diameter scroll component |