| 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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| 08/12/1993 | DE4303745A1 Multi-piston compressor for vehicle air conditioning system - has suction valves synchronised to move in accordance with piston strokes |
| 08/11/1993 | EP0554927A1 Asymmetrical suction porting for swash-plate compressor |
| 08/11/1993 | EP0554791A1 Wobble plate type refrigerant compressor |
| 08/11/1993 | CN1075190A Slant plate type compressor with variable displacement mechanism |
| 08/10/1993 | US5233913 Swash plate compressor with spring thrust bearing assembly |
| 08/05/1993 | DE4302388A1 Swashplate compressor for refrigerant gas - has gas feed inlet arranged coaxially with cylinder block shaft to avoid pressure drops |
| 08/05/1993 | DE4302256A1 Swashplate compressor for vehicle air conditioning system - incorporates suction chamber surrounded by separate outlet chamber |
| 08/03/1993 | US5232349 Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape |
| 08/03/1993 | US5231915 Wobble plate type compressor having cantilevered drive mechanism |
| 08/03/1993 | US5231914 Variable displacement compressor |
| 07/30/1993 | CA2088387A1 Wobble plate type refrigerant compressor |
| 07/28/1993 | CN2139180Y Oil hydraulic reciprocating vacuum pump and compression engine |
| 07/28/1993 | CN1074733A Slant plate type compressor with variable capacity control mechanism |
| 07/20/1993 | US5228841 Variable capacity single headed piston swash plate type compressor having piston abrasion preventing means |
| 07/20/1993 | US5228379 Swash plate type compressor |
| 07/13/1993 | US5226796 Valve assembly in a piston type compressor |
| 07/08/1993 | WO1993013314A1 Swash-plate-type air conditioning pump |
| 07/08/1993 | WO1993013313A1 Refrigerant gas guiding mechanism for piston type compressor |
| 07/08/1993 | CA2126309A1 Swash-plate-type air conditioning pump |
| 07/07/1993 | EP0550228A1 Swash plate type compressor with variable displacemnet mechanism |
| 07/07/1993 | EP0550201A1 Slant plate type compressor with variable capacity control mechanism |
| 06/23/1993 | EP0547812A1 Slant plate type compressor with variable displacement mechanism |
| 06/15/1993 | US5219273 Torsional damper for air conditioning compressor |
| 05/26/1993 | EP0530289A4 Rotary machine |
| 05/26/1993 | CN2134506Y Electric aerator |
| 05/25/1993 | US5213488 Valved discharge mechanism of a refrigerant compressor |
| 05/11/1993 | US5209190 Rotary power device |
| 05/06/1993 | DE4142411C1 Petrol vapour extraction pump - has two pistons connected by crank in common cylinder housing |
| 05/04/1993 | US5207563 Swash plate type compressor with a central discharge passage |
| 05/04/1993 | US5207078 Reciprocatory piston type compressor for a refrigeration system |
| 04/29/1993 | WO1993008373A1 Rotary machine |
| 04/28/1993 | EP0538493A1 Reciprocatory piston type compressor with valve assemblies having enhanced pressure response characteristics |
| 04/27/1993 | US5205718 Variable displacement swash plate type compressor |
| 04/21/1993 | CN1020350C Lubricating mechanism for piston assembly of slant plate type compressor |
| 04/14/1993 | EP0536989A1 Slant plate type compressor with variable capacity control mechanism |
| 04/14/1993 | CN1070989A Sealing component for compressor shell |
| 04/14/1993 | CN1070988A Slant plate type compressor with variable displacement mechanism |
| 04/13/1993 | US5201261 Piston coupling mechanism for a swash plate compressor |
| 04/13/1993 | US5201233 Retainer assembly with dished retaining ring |
| 04/13/1993 | US5201189 Refrigerant compressor with an initial seizure prevention means |
| 04/07/1993 | CN1070719A Hermetic motor compressor |
| 04/07/1993 | CN1070718A Multicylinder compressor |
| 04/01/1993 | DE4230353A1 Swash plate displacement compressor - comprises housing contg. cylinder block, pistons arranged in cylinder block, crankcase, rotatable drive shaft and driver plate fitted on drive shaft |
| 03/24/1993 | CN1070247A High-pressure mini-compressor |
| 03/23/1993 | US5195874 Multistage compressor |
| 03/17/1993 | EP0531951A1 Reciprocatory piston type compressor with a rotary valve |
| 03/17/1993 | EP0531718A1 Swash plate type compressor |
| 03/17/1993 | CN1020125C Slant plate type compressor with variable displacement machanism |
| 03/10/1993 | EP0530730A1 Wobble plate type refrigerant compressor |
| 03/10/1993 | EP0530289A1 Rotary machine. |
| 03/03/1993 | EP0368963B1 Piston machine |
| 03/02/1993 | US5189886 Refrigerating system having a compressor with an internally and externally controlled variable displacement mechanism |
| 02/18/1993 | DE4226587A1 Compressor discharge flap valve - has inclined stop which changes angle in region of valve flap attachment for progressive action |
| 02/16/1993 | US5186614 Variable discharge flow attenuation for compressor |
| 02/16/1993 | US5186475 Gasket having retainer element for reed valve integrally formed therewith |
| 02/10/1993 | CA2075548A1 Swash plate type compressor |
| 02/04/1993 | DE4225209A1 Valve plate for swashplate compressor - uses flat surface valve elements provided with contact bumps |
| 02/03/1993 | CN1068630A Air compressor for vehicle |
| 02/02/1993 | US5183394 Swash plate type compressor with a central inlet passage |
| 01/27/1993 | CN1068397A Wobble plate type compressor having cantileved drive mechanism |
| 01/26/1993 | US5181834 Swash plate type compressor |
| 01/26/1993 | US5181831 Variable capacity wobble plate compressor |
| 01/26/1993 | US5181453 Variable displacement compressor |
| 01/20/1993 | EP0523665A1 Sealing mechanism employed in compressor housing |
| 01/19/1993 | US5180292 Radial compressor with discharge chamber dams |
| 01/12/1993 | US5178521 Swash plate type compressor with a central discharge passage |
| 01/07/1993 | EP0521730A2 Multicylinder compressor |
| 01/04/1993 | CA2073088A1 Multicylinder compressor |
| 12/29/1992 | US5174728 Variable capacity swash plate type compressor |
| 12/29/1992 | US5174727 Slant plate type compressor with variable displacement mechanism |
| 12/23/1992 | EP0519598A1 Slant plate type compressor with variable displacement mechanism |
| 12/23/1992 | EP0519522A2 Variable displacement swash-plate type compressor |
| 12/22/1992 | US5173032 Non-clutch compressor |
| 12/16/1992 | CN1067096A Slant plate type combressor with varibk displacement mechanism |
| 12/08/1992 | US5168716 Refrigeration system having a compressor with an internally and externally controlled variable displacement mechanism |
| 12/02/1992 | EP0515957A1 Swash plate type compressor |
| 12/02/1992 | CN2123620U Rotary cylinder piston compressor |
| 12/01/1992 | US5167492 Fluid pumping assembly having a lubrication circuit functioning independent of the orientation of the fluid pumping assembly |
| 11/26/1992 | WO1992020919A1 Reciprocatory piston type compressor with valve assemblies having enhanced pressure response characteristics |
| 11/25/1992 | EP0515218A1 Wobble plate type compressor having cantilevered drive mechanism |
| 11/24/1992 | US5165863 Slant plate type compressor with variable capacity control mechanism |
| 11/24/1992 | CA1310623C Wobble plate type compressor with improved cantilever structure for the drive shaft |
| 11/19/1992 | EP0513871A2 Variable displacement swash-plate type compressor |
| 11/17/1992 | US5163819 In a refrigerant compressor |
| 11/17/1992 | US5163818 Automatic constant air flow rate pump unit for sampling air |
| 11/10/1992 | CA1309995C Low-pressure air pump |
| 11/04/1992 | CN1065906A Slant plate type compressor with variable displacement mechanism |
| 11/03/1992 | US5159820 Oil separator integrally mounted on compressor |
| 10/28/1992 | EP0510496A1 Slant plate type compressor with variable displacement mechanism |
| 10/21/1992 | EP0357782B1 Control apparatus for variable-capacity compressors |
| 10/21/1992 | CN1018754B Slant plate type compressor with variable displacement mechanism |
| 10/15/1992 | WO1992017705A1 Variable capacity swash plate type refrigerant compressor having a double fulcrum hinge mechanism |
| 10/15/1992 | WO1992017704A1 Rocking swash plate type variable capacity compressor |
| 10/15/1992 | DE4211695A1 Swashplate compressor - has threaded mounting components to reduce swashplate vibration during operation |
| 10/14/1992 | EP0508823A1 A slant plate type compressor with a variable displacement mechanism |
| 10/08/1992 | DE4210712A1 Rotationsmaschine Rotary machine |
| 10/06/1992 | US5152673 Fluid pumping assembly having a control valve boss fluid by-pass |
| 09/23/1992 | CN1064731A Slant plate type compressor with variable displacement mechanism |
| 09/15/1992 | US5147190 Increased efficiency valve system for a fluid pumping assembly |
| 09/09/1992 | CN1064342A 气体压缩机 Gas compressor |