| Patents for F04B 27 - Multi-cylinder pumpsspecially adapted for elastic fluids and characterised by number or arrangement of cylinders (7,781) |
|---|
| 04/05/2000 | EP0990823A2 Shaft sealing assembly and compressor incorporating the same |
| 04/05/2000 | EP0990795A2 Variable displacement compressor |
| 04/05/2000 | CN1249400A Compressor |
| 04/04/2000 | US6045342 Refrigerant compressor |
| 04/04/2000 | US6045337 Clutchless variable capacity swash plate compressor |
| 04/04/2000 | US6044751 Variable displacement compressor |
| 03/30/2000 | DE19945145A1 Compressor for air conditioning system in vehicle has coaxial inlet and outlet chambers for even flow control and even output pressure |
| 03/29/2000 | EP0840852A4 Fluid pumping apparatus |
| 03/29/2000 | CN1248675A Single-head piston type refrigerant compressor |
| 03/23/2000 | WO2000015990A1 Bellows type pressure responding valve |
| 03/23/2000 | WO2000015955A1 Piston engine balancing |
| 03/23/2000 | DE19944477A1 Piston compressor has outlet chamber in radial central section and suction chamber in peripheral direction of outlet chamber on radial outer section around outlet chamber |
| 03/23/2000 | DE19944476A1 Tilted disk compressor for compressing gas-form fluid containing lubricating oil, has piston in cylinder bore surrounded by sealed gap moving backwards and forwards compressing fluid |
| 03/23/2000 | DE19938731A1 Swash plate type compressor for e.g. air conditioner |
| 03/23/2000 | CA2342932A1 Piston engine balancing |
| 03/22/2000 | EP0987436A2 Single-headed-piston type refrigerant compressor with means for preventing rotation of the piston about its own axis within the cylinder bore |
| 03/21/2000 | US6038960 Reciprocating pistons of piston-type compressor |
| 03/21/2000 | US6038871 Dual mode control of a variable displacement refrigerant compressor |
| 03/21/2000 | US6038767 Method and apparatus for assembling piston assembly |
| 03/16/2000 | WO2000014409A1 Axial piston motor |
| 03/15/2000 | EP0985824A2 Compressor and spring positioning structure |
| 03/15/2000 | EP0985823A2 Control valve for a variable displacement compressor |
| 03/15/2000 | CN1247276A Capacity variable compressor and control valve used for same |
| 03/15/2000 | CN1247275A Capacity variable compressor |
| 03/14/2000 | US6036454 Motor-driven compressor with reduced lateral dimensions |
| 03/14/2000 | US6036447 Control valve having a ground connection for the actuator coil |
| 03/09/2000 | DE19839914A1 Axial piston machine, esp. compressor for motor vehicle air conditioning unit |
| 03/08/2000 | CN2367791Y 空气压缩机 Air compressor |
| 03/02/2000 | DE19939015A1 Compressor for gas-form fluid has suction through passage for fluid feed with control valve controlling open surface of suction through passage |
| 02/29/2000 | US6030184 Housing construction for reciprocating piston type compressor |
| 02/23/2000 | EP0980976A2 Variable displacement compressor and outlet control valve |
| 02/23/2000 | CN1245264A Piston and manufacturing method thereof |
| 02/23/2000 | CN1245256A Variable volume compressor and outlet controlling valve |
| 02/22/2000 | US6026731 Compressor for automotive air-conditioning system |
| 02/22/2000 | US6026721 Method for manufacturing valve discs of fluid displacement apparatus |
| 02/17/2000 | DE19937110A1 Method for manufacturing piston for compressor with variable output involves first roughly preparing piston and connecting connecting rod to same and then finishing off outer circumferential surface and upper surface as final finishing step |
| 02/17/2000 | DE19935806A1 Compressor power transfer system uses coaxial first and second rotors plus spring between with fixed and free ends on respective rotors to actuate or cancel transfer surface for power transfer. |
| 02/16/2000 | EP0979942A2 Variable displacement compressor |
| 02/16/2000 | CN2364240Y Variable displacement swash-plate compressor |
| 02/15/2000 | US6024010 Shoe for swash plate type compressor and shoe assembly |
| 02/15/2000 | US6024009 Reciprocating pistons of piston-type compressor |
| 02/15/2000 | US6024008 Variable displacement compressor, swash plate, and method for hardening swash plate |
| 02/10/2000 | DE19934988A1 Compressor with variable displacement in accordance with angle of inclination of drive disc arranged in crankcase has piston connected to drive disc and reciprocated by movement of drive disc |
| 02/10/2000 | DE19931075A1 Compressor with variable displacement has outlet chamber, suction chamber and crankcase together with displacement control valve system for control of piston stroke by adjustment of pressure in crankcase |
| 02/09/2000 | EP0978653A2 Hybrid compressor |
| 02/09/2000 | EP0978652A2 Hybrid compressor and control method |
| 02/09/2000 | EP0713972B1 Swash plate for a swash plate type compressor |
| 02/08/2000 | US6022199 Reciprocating compressor |
| 02/01/2000 | US6019027 Refrigerant compressor |
| 01/18/2000 | US6015349 Power transmission mechanism for compressors |
| 01/18/2000 | US6015269 Variable displacement compressor |
| 01/12/2000 | EP0971278A1 Solenoid valve with pressure transducer |
| 01/12/2000 | EP0971129A2 Positive-displacement-type refrigerant compressor with a novel oil-separating and lubricating system |
| 01/12/2000 | CN2358247Y Air compressor |
| 01/12/2000 | CN1241246A Swash plate compressor |
| 01/12/2000 | CN1241245A Swash plate compressor |
| 01/11/2000 | US6012905 Suction and discharge valve mechanism for fluid displacement apparatus |
| 01/11/2000 | CA2173287C Cooling structure for compressor |
| 01/05/2000 | EP0969206A1 Swash plate type compressor in which a piston joint uses a rotational elliptical surface and a spherical surface opposite thereto |
| 01/05/2000 | CN1240254A Volume variable swashplate compressor and capacity controller |
| 01/05/2000 | CN1048075C Wobble plate compressor |
| 01/04/2000 | US6010314 Swash-plate compressor having a capacity control valve on the oil return passageway adjacent an oil separator |
| 01/04/2000 | US6010313 Single-headed piston type compressor |
| 01/04/2000 | US6010312 Control valve unit with independently operable valve mechanisms for variable displacement compressor |
| 12/29/1999 | EP0967096A1 Air conditioning system and compressor |
| 12/28/1999 | US6006652 Automotive refrigerant wobble plate type compressor piston with improved ball and socket joint |
| 12/23/1999 | WO1999066203A1 Variable displacement swash plate type clutchless compressor |
| 12/22/1999 | EP0965804A2 Compressor with oil separating structure |
| 12/22/1999 | EP0965754A2 Displacement control valve for use in a variable displacement compressor |
| 12/22/1999 | EP0964997A1 Piston engine with a pivoting disk transmission |
| 12/22/1999 | CN1239188A Compressor with oil separating structure |
| 12/22/1999 | CN1047657C Reciprocating-type compressor and its mfg. method |
| 12/21/1999 | US6004115 Hermetic compressor for refrigeration systems |
| 12/15/1999 | EP0964155A2 Displacement control valve for use in a variable displacement compressor |
| 12/08/1999 | EP0962655A2 Piston-type compressor inlet valve |
| 12/08/1999 | CN1238028A Gas compressor |
| 12/08/1999 | CN1237694A Variable displacement type refrigerant compressor and method of assebmbling the same |
| 12/07/1999 | US5997257 Refrigerant compressor |
| 12/07/1999 | US5996467 Polymer-metal coatings for swashplate compressors |
| 12/01/1999 | EP0961032A2 A reciprocating type refrigerant compressor with an improved internal sealing unit |
| 12/01/1999 | EP0961031A2 Regulating valve for variable displacement swash plate compressor and its assembly method |
| 12/01/1999 | EP0961030A2 Lubrication for pistons in the crankcase of a swash plate type compressor |
| 11/30/1999 | US5992296 Hydraulic pump |
| 11/24/1999 | EP0959227A2 Piston and method of manufacture |
| 11/23/1999 | US5988988 Capacity control valve device for variable capacity swash plate compressors |
| 11/23/1999 | US5988985 Method and apparatus for controlling compressor valves in a piston compressor |
| 11/23/1999 | US5988041 Piston for compressors |
| 11/23/1999 | US5988040 Variable displacement swash plate compressor with improved swash plate support means |
| 11/18/1999 | DE19919104A1 Compressor with variable output for cooling or coolant cycle for motor vehicle improves the fuel efficiency of the vehicle engine and can be produced at relatively low cost |
| 11/17/1999 | EP0956985A1 Method and apparatus for supressing resonance |
| 11/17/1999 | CN1235242A Method and apparatus for suppressing resonance |
| 11/16/1999 | US5984643 Variable capacity swash-plate-type refrigerant compressor |
| 11/16/1999 | US5983781 Sliding bearing with self-adjusted load bearing capacity |
| 11/16/1999 | US5983780 Multiple piston swash plate type of compressor including different dead volumes of the cylinder bores by the use of different length pistons |
| 11/16/1999 | US5983775 Swash-plate compressor in which improvement is made as regards a connection mechanism between a piston and a swash plate |
| 11/09/1999 | US5980216 Variable capacity swash plate compressor having a retainer support plate |
| 11/03/1999 | EP0953766A2 Control valve |
| 11/03/1999 | EP0953765A2 Variable displacement type swash plate compressor and displacement control valve |
| 11/02/1999 | US5975860 Vibration torsion system damper for a shaft of a compressor |
| 11/02/1999 | US5975859 Control valve in variable displacement compressor and its assembling method |