| Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781) |
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| 08/21/1997 | DE19706587A1 Coolant compressor with variable capacity for refrigerating system |
| 08/21/1997 | DE19616962A1 Reciprocating machine with tilting swashplate |
| 08/13/1997 | EP0789145A1 Piston for a compressor and piston-type compressor |
| 08/12/1997 | US5655953 Manufacturing method of wave cam for a compressor |
| 08/12/1997 | US5655432 Aluminum-containing plate coated with heat-curable, crosslinkable, elastomeric fluoropolymer also containing lubricant and load-bearing additives, for joining to rotating shafts in automobile air conditioners |
| 08/07/1997 | DE19703216A1 Compressor with cam-plate located in swash chamber |
| 08/05/1997 | US5653119 Refrigerating system incorporating therein a variable capacity refrigerant compressor |
| 07/31/1997 | DE19702399A1 Swashplate compressor, especially with variable displacement |
| 07/29/1997 | US5651301 Hydrostatic piston machines |
| 07/17/1997 | WO1997025449A1 Wear-resistant aluminum alloy and compressor piston formed therefrom |
| 07/16/1997 | EP0783631A1 A motor-driven compressor with reduced lateral dimensions |
| 07/16/1997 | CN1154442A Variable displacement compressor |
| 07/15/1997 | US5647395 Valved discharge mechanism of a fluid displacement apparatus |
| 07/09/1997 | EP0649495B1 Rotary power device |
| 07/08/1997 | US5645405 Reciprocating type compressor with muffling chambers |
| 07/08/1997 | US5644970 Bearing arrangement in swash plate type compressor with double headed pistons |
| 07/08/1997 | US5644968 Variable capacity swash plate type compressor with an improved hinge unit for inclinably supporting a swash plate |
| 07/08/1997 | US5644949 Compressor cam and method for manufacturing the same |
| 06/25/1997 | EP0780572A2 Swash-plate type compressor |
| 06/24/1997 | US5641038 Bearing for use in compressor for air conditioner |
| 06/18/1997 | EP0779431A2 Valve mechanism for a compressor |
| 06/18/1997 | CN1152078A Variable capacity refrigerant compressor |
| 06/17/1997 | US5639223 Compressor with cylindrical cam surface |
| 06/17/1997 | US5638736 Wave cam type compressor |
| 06/17/1997 | US5638735 Variable displacement compressor |
| 06/11/1997 | CN2256041Y Supporting balancer for ball hinged supporting swinging oblique disc |
| 06/10/1997 | US5636974 Reciprocating piston type compressor with an oil separator for removing lubricating oil from discharged high pressure refrigerant gas |
| 06/10/1997 | US5636973 Crank chamber pressure controlled swash plate compressor with suction passage opening delay during initial load condition |
| 06/10/1997 | CA2080066C Slant plate type compressor with variable capacity control mechanism |
| 06/05/1997 | DE19650108A1 Swashplate compressor for cooling system |
| 06/04/1997 | EP0777050A2 A lubricating mechanism for a piston compressor |
| 06/04/1997 | EP0776986A1 Swash plate of swash-plate compressor and combination of swash plate with shoes |
| 06/03/1997 | US5634775 Wave cam type compressor |
| 05/28/1997 | EP0775824A1 Variable displacement compressor |
| 05/28/1997 | CN1150621A Lubricant oil separating mechanism for compressor |
| 05/28/1997 | CN1150619A 活塞式压缩机 Piston compressor |
| 05/27/1997 | US5632366 Electromagnetic clutch with improved torque cushion |
| 05/22/1997 | DE19647861A1 Compressor with housing and drive shaft |
| 05/21/1997 | CN1150222A Cam plate supporting structure in cam plate type compressor |
| 05/20/1997 | US5630707 Variable displacement mechanism for swash plate type hydraulic pump and motor |
| 05/20/1997 | US5630355 Die-casting aluminum alloy with copper and silicon; exfoliated recessions of primary silicon crystal on inner surface of cylinder bore function as oil reservoir spots |
| 05/20/1997 | US5630353 For use in an air conditioning compressor |
| 05/14/1997 | EP0773366A1 Variable displacement swash plate type compressor |
| 05/07/1997 | EP0771948A1 Capacity control device for variable-capacity compressor |
| 05/07/1997 | CN1149107A Displacement controlling structure for clutchless variable displacement compressor |
| 05/06/1997 | US5626463 Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape |
| 04/30/1997 | DE19644431A1 Variable-output compressor for air conditioning system of motor vehicle |
| 04/29/1997 | US5624240 Piston type variable displacement compressor |
| 04/23/1997 | EP0769620A1 Variable capacity refrigerant compressor provided with an improved inclination limiting means for a swash plate element |
| 04/17/1997 | DE19641996A1 Compressor with pressure release valve |
| 04/16/1997 | CN1034602C Variable displacement piston type compressor |
| 04/15/1997 | US5620310 Control valve for a variable displacement refrigerant compressor |
| 04/09/1997 | CN1147061A Reciprocating piston type compressor with oil separator |
| 04/01/1997 | US5616008 Variable displacement compressor |
| 04/01/1997 | US5615599 Guiding mechanism for reciprocating piston of piston-type compressor |
| 04/01/1997 | CA2074201C Sealing mechanism for a compressor housing |
| 03/26/1997 | EP0764782A1 Lubrication method in clutchless compressor and lubrication controller |
| 03/25/1997 | US5613836 Flow restricting structure of communicating passages between chambers of a reciprocating type compressor |
| 03/18/1997 | US5611675 Swash plate compressor with start up flow restrictive inlet spool valve |
| 03/11/1997 | CA2033434C Noise reducing compressor gasket and head assembly |
| 03/06/1997 | DE19635738A1 Variable compression piston compressor |
| 03/04/1997 | US5607287 Reciprocating piston type compressor with an improved discharge valve mechanism |
| 03/04/1997 | US5607286 Structure of pressure passages between chambers of a reciprocating type compressor |
| 03/04/1997 | US5606756 Air bedding system with diaphragm pump |
| 03/04/1997 | CA2036212C Wobble plate type refrigerant compressor having a ball-and-socket joint lubricating mechanism |
| 02/27/1997 | DE19633533A1 Swashplate driven compressor e.g. for motor vehicle air conditioning system |
| 02/26/1997 | EP0759505A2 Variable displacement compressor |
| 02/26/1997 | CN1143718A Variable capacity swash plate type compressor |
| 02/26/1997 | CN1034136C Slant plate type compressor with variable displacement mechanism |
| 02/19/1997 | CN1143405A Hermetic compressor for refrigeration systems |
| 02/19/1997 | CN1143404A Lubrication method in clutchless compressor and lubrication controller |
| 02/19/1997 | CN1143164A Rotary inclined disc compressor |
| 02/18/1997 | US5603611 Piston type compressor with simple but vibration-reducing suction reed valve mechanism |
| 02/18/1997 | US5603610 Clutchless piston type variable displacement compressor |
| 02/13/1997 | WO1997005382A1 Fluid pumping apparatus |
| 02/11/1997 | US5601416 Wave cam type compressor |
| 02/05/1997 | CN1142015A 压缩机 Compressor |
| 01/29/1997 | CN1141393A Refricerant compressor with rotation detecting means |
| 01/28/1997 | US5596920 Swash plate type compressor |
| 01/15/1997 | EP0753598A1 Electrochemical hardness modification of non-allotropic metal surfaces |
| 01/15/1997 | CN1140237A Piston-type compressor in reciprocating motion |
| 01/14/1997 | US5593291 Fluid pumping apparatus |
| 01/09/1997 | WO1997001039A1 Two-rotor sliding vane compressor |
| 01/08/1997 | EP0752530A1 Reciprocating piston machine with swash plate mechanism |
| 01/07/1997 | US5591013 Fluid pressure generating device |
| 01/02/1997 | DE19523283A1 High pressure pump for fuel injection equipment for internal combustion engine |
| 12/31/1996 | US5588811 Air bed diaphragm pump |
| 12/31/1996 | US5588807 Swash plate type variable displacement compressor |
| 12/27/1996 | WO1996041954A1 Variable displacement compressor |
| 12/27/1996 | EP0750115A1 A variable capacity swash plate type compressor with an improved hinge unit for inclinably supporting a swash plate |
| 12/24/1996 | US5586870 Bearing structure used in a compressor |
| 12/21/1996 | CA2179254A1 Variable capacity swash plate type compressor with an improved hinge unit for inclinably supporting a swash plate |
| 12/18/1996 | EP0748937A2 Displacement controlling structure for clutchless variable displacement compressor |
| 12/18/1996 | EP0748936A1 Variable displacement swash plate type compressor |
| 12/18/1996 | CN1138143A Housing construction for reciprocating piston type compressor |
| 12/18/1996 | CN1138142A Reciprocting piston compressor |
| 12/17/1996 | US5584670 Piston type variable displacement compressor |
| 12/12/1996 | WO1996039581A1 Piston for a compressor and piston-type compressor |
| 12/12/1996 | DE19622869A1 Swashplate compressor with variable displacement |
| 12/12/1996 | DE19622718A1 Piston compressor with integrated lubricating oil separator |