| 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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| 09/03/1991 | US5044892 Swash plate compressor lubrication system |
| 08/28/1991 | CN1054116A Valve discharge mechanism of refrigerant compressor |
| 08/14/1991 | DE4003888A1 Swashplate-driven piston compressor - has resilient connection between swashplate and piston |
| 08/13/1991 | US5039282 Slant plate type compressor with variable displacement mechanism |
| 08/13/1991 | US5038583 Gas expansion motor equipped air conditioning/refrigeration system |
| 07/23/1991 | US5033944 Lubricant circuit for a compressor unit and process of circulating lubricant |
| 07/17/1991 | EP0437314A1 Valved discharge mechanism in a refrigerant compressor |
| 07/16/1991 | US5032060 Continuously variable capacity swash plate type refrigerant compressor |
| 07/16/1991 | CA1286266C Wobble plate compressor capacity control |
| 07/10/1991 | CN1013142B Controlling valve of compressor |
| 07/09/1991 | US5030065 Reciprocating compressor |
| 07/03/1991 | CN1013047B Power transmission |
| 07/02/1991 | US5027612 Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
| 06/27/1991 | WO1991009259A1 Gas expansion motor air conditioning system |
| 06/25/1991 | US5026316 Variable capacity wobble plate compressor |
| 06/25/1991 | US5025636 Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
| 06/18/1991 | US5024588 Rotary compressor and process of compressing compressible fluids with intake and discharge through piston shaft and piston |
| 06/11/1991 | US5022826 Variable capacity type swash plate compressor |
| 05/28/1991 | US5018366 Control circuit unit for a variable capacity compressor incorporating a solenoid-operated capacity control valve |
| 05/21/1991 | US5017096 Variable capacity compressor |
| 05/21/1991 | US5016597 Crankshaft driven compressor for supplying air to a fuel injection mechanism |
| 05/15/1991 | CN2077042U Miniature air compressor |
| 05/15/1991 | CN1051413A Wobble plate compressor |
| 05/14/1991 | US5015154 Wobble plate type compressor with variable displacement mechanism |
| 05/14/1991 | US5014522 Automotive air tempering apparatus |
| 05/14/1991 | US5014519 Automotive air tempering apparatus |
| 04/23/1991 | US5009574 Thrust bearing and shoe lubricator for a swash plate type compressor |
| 04/23/1991 | US5009286 Lubricating oil supplying mechanism in swash plate type compressor |
| 04/10/1991 | EP0421576A2 Slant plate type compressor with variable displacement mechanism |
| 04/09/1991 | CA1282756C Wobble plate type compressor with variable displacement mechanism |
| 04/04/1991 | WO1991004416A1 Rotary compressor and process of compressing compressible fluids |
| 03/27/1991 | CN1012197B Refrigerant compressor |
| 03/26/1991 | US5002466 Variable-capacity swash-plate type compressor |
| 03/19/1991 | US5000667 Movable slanting plate type compressor |
| 03/19/1991 | US5000666 Control device for variable displacement type compressor |
| 02/27/1991 | CN1049545A Lubricating mechanism for piston assembly of slant plate type compressor |
| 02/20/1991 | CN1011727B Wobble plate type compressor with improved rotation preventing mechanism |
| 02/13/1991 | EP0412948A2 Quick disassembly system for rotary vacuum pumps |
| 02/13/1991 | EP0412839A1 Wobble plate compressor |
| 02/13/1991 | CN1011611B Refrigerant compressor |
| 02/05/1991 | US4990064 Multi-piston swash plate type compressor with internal lubricating arrangement |
| 02/05/1991 | US4990063 Control cylinder device in variable displacement compressor |
| 01/30/1991 | EP0410453A1 Lubricating mechanism for a piston assembly of a slant plate type compressor |
| 01/30/1991 | CN2070368U Hood type low-noise non-oil air-compressor |
| 01/23/1991 | CN2069933U Portable hand pump round box |
| 01/23/1991 | CN1011328B Refrigerant compressor |
| 01/15/1991 | US4984509 Multistage cylinder actuator |
| 01/09/1991 | EP0406866A1 Oil separator integrally mounted on compressor |
| 01/09/1991 | CN1048435A Slant plate type compressor with variable displacement mechanism |
| 01/08/1991 | US4982651 Compressor for compressing gases |
| 01/02/1991 | EP0405878A1 Slant plate type compressor with variable displacement mechanism |
| 01/01/1991 | US4981419 Wobble plate type refrigerant compressor having a thrust bearing assembly for a wobble plate support |
| 12/26/1990 | CN2068162U Backspin thread type piston pump for bicycle |
| 12/25/1990 | US4979877 Wobble plate type refrigerant compressor |
| 12/11/1990 | US4976284 Reed valve for piston machine |
| 12/05/1990 | CN2066906U Double crank three cylinder compressor |
| 12/04/1990 | US4974702 Swash plate type compressor with thrust bearing lubricator |
| 11/27/1990 | US4973229 Starting displacement setting device in variable displacement compressor |
| 11/21/1990 | CN1047140A Control apparatus used for refrigerant circuit having compressor with variable displacement mechanism |
| 11/07/1990 | EP0396017A2 Automotive air tempering apparatus |
| 11/07/1990 | CN1010339B Axial sliding-vane type compressor |
| 11/06/1990 | US4968227 Variable displacement fluid pump with improved wideband neutral |
| 10/30/1990 | US4966529 Stroke detection correcting system for variable displacement type compressor |
| 10/24/1990 | EP0393950A1 Control apparatus used for refrigerant circuit having a compressor with a variable displacement mechanism |
| 10/16/1990 | US4963074 Variable displacement swash-plate type compressor |
| 10/09/1990 | US4961690 Variable displacement type compressor |
| 10/02/1990 | US4960367 Slant plate type compressor with variable displacement mechanism |
| 10/02/1990 | US4960366 Slant plate type compressor with variable displacement mechanism |
| 09/26/1990 | EP0389414A1 Piston compressor |
| 09/18/1990 | US4957416 Gas compressor |
| 09/13/1990 | DE4006338A1 Swash plate compressor for refrigeration system - incorporates oil-refrigerant separator chamber |
| 09/07/1990 | WO1990010156A1 Swash plate compressor equipped with means for separating refrigerant gas and lubricant |
| 09/05/1990 | CN1045160A Wobble plate type refrigerant compressor |
| 09/04/1990 | US4954050 Wobble plate type compressor with variable displacement mechanism |
| 08/22/1990 | EP0383167A1 Axial piston engine |
| 08/21/1990 | US4950132 Swashplate and sliding shoe assembly for an air conditioning compressor |
| 08/16/1990 | EP0381682A1 Rotary piston compressor. |
| 08/14/1990 | US4948343 Slant-plate type compressor with adjustably positionable drive shaft |
| 08/09/1990 | DE4002221A1 Lubrication system for swashplate compressor - incorporates series of oil channels in drive shaft |
| 08/09/1990 | DE4002196A1 Variable capacity compressor with swash plate in crank chamber - controlling stroke piston(s) with control valve which can adjust angle by controlling pressure |
| 08/08/1990 | CN1009125B Cylinder piston type rotary mechanism with a centre-fixed ball shaft |
| 08/07/1990 | US4946350 Capacity control arrangement for a variable capacity wobble plate type compressor |
| 07/10/1990 | US4940393 Slant plate type compressor with variable displacement mechanism |
| 06/27/1990 | CN1043370A Slant plate type compressor with variable displacement mechanism |
| 06/26/1990 | US4936754 Reciprocatory piston type compressor with partitioned discharge chamber |
| 06/26/1990 | US4936752 Slant plate type compressor with variable displacement mechanism |
| 06/26/1990 | US4936111 Crossed piston compressor with vernier offset port means |
| 06/20/1990 | CN1008466B Cylinder block for refrigerating compressor |
| 06/19/1990 | US4934482 Pulse damper |
| 06/19/1990 | US4934442 Die cast heat treated aluminum silicon based alloys and method for producing the same |
| 06/19/1990 | US4934157 Apparatus for controlling a variable displacement refrigerant compressor for a car air-conditioner |
| 06/13/1990 | EP0372913A1 Wobble plate compressor |
| 06/12/1990 | US4932843 Variable displacement swash-plate type compressor |
| 06/06/1990 | CN1042755A Slant plate type compressor |
| 06/05/1990 | US4930995 Device for reducing refrigerant gas pulsations in a compressor |
| 05/29/1990 | US4929157 Pulsation damper for air conditioning compressor |
| 05/29/1990 | US4928723 Capacity control valve for a compressor |
| 05/02/1990 | EP0366349A2 Slant plate type compressor |
| 05/02/1990 | EP0366348A1 Slant plate type compressor with variable displacement mechanism |
| 04/18/1990 | CN1007644B Wobble plate type compressor with improved rotation-preventing mechanism |