| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 08/26/1998 | CN1191271A 压缩机 Compressor |
| 08/25/1998 | CA2000152C Evacuation apparatus |
| 08/19/1998 | EP0859151A2 Compressors, especially for compressed-air provision in a motor vehicle |
| 08/19/1998 | CN1190724A Valve assembly for compressor |
| 08/19/1998 | CN1190703A Double-metal wear-resistant board for concrete pump and making method thereof |
| 08/19/1998 | CN1190699A Fuel pluger pump for internal combustion ingine |
| 08/18/1998 | US5795140 Reciprocating compressor having crankshaft with lubrication-conducting grooves on an outer periphery thereof |
| 08/18/1998 | US5794915 Safety relief valve assembly for a fluid displacement apparatus |
| 08/18/1998 | US5794514 Volumetric machine with curved liners |
| 08/18/1998 | CA2129768C Piston compressor |
| 08/13/1998 | DE19803860A1 Coolant compressor, e.g. swash plate compressor |
| 08/13/1998 | DE19800556A1 Compressor for motor vehicle air conditioning system |
| 08/12/1998 | EP0857530A1 Method for machining compressor piston |
| 08/12/1998 | CN1190157A Variable displacement compressor, swash plate, and method for hardening swash plate |
| 08/11/1998 | CA2091337C Turbine and air hose storage housing for portable spray paint guns |
| 08/06/1998 | DE19802461A1 Coolant compressor |
| 08/05/1998 | EP0856106A1 A suction muffler for a hermetic compressor |
| 08/05/1998 | EP0697088A4 Zero superheat refrigeration compression system |
| 08/05/1998 | CN1039445C Rotar piston compressor and sound abatement of it |
| 08/04/1998 | US5788472 Hermetic rotary compressor with eccentric roller |
| 08/04/1998 | US5788463 Manual vacuum producing system having pressure indicator |
| 08/04/1998 | CA2114069C Compressor shock absorbing mount assembly |
| 07/30/1998 | WO1998032970A1 Method for preventing filters from blocking |
| 07/30/1998 | DE19702991A1 Compressed air preparation system for dental practice |
| 07/29/1998 | CN1188853A Suction muffler for hermetically sealed compressor |
| 07/28/1998 | US5785508 Pump with reduced clamping pressure effect on flap valve |
| 07/28/1998 | US5785151 Compressor with improved oil pump and filter assembly |
| 07/28/1998 | US5785081 Compressor inlet valve |
| 07/28/1998 | US5784950 Single headed swash plate type compressor having a piston with an oil communication hole on a side of the piston remote from the cylinder bore and crank chamber |
| 07/28/1998 | CA2093768C Centrifugal oil pump booster |
| 07/23/1998 | WO1998031936A1 Reciprocating compressor |
| 07/22/1998 | EP0854314A2 Method and device for supplying a lubricant to an antifriction bearing |
| 07/22/1998 | EP0854287A2 Reciprocating compressor |
| 07/22/1998 | EP0853728A1 Method and device for producing an intake valve of plate-like construction |
| 07/21/1998 | US5782614 Reciprocating compressor in which gas is supplied to each of opposite ends of a suction chamber extending around a discharge chamber on a plane |
| 07/21/1998 | US5782613 Piston type compressor with structure for reducing cylinder bore deformation |
| 07/21/1998 | US5782316 For compressing refrigerant gas for an automobile air conditioning system |
| 07/16/1998 | WO1998030804A1 Gas compressor used for the storing of gases |
| 07/15/1998 | EP0853199A2 Variable capacity swash plate compressor |
| 07/15/1998 | CN1187603A Refrigerator |
| 07/15/1998 | CN1187588A Hermetic compressor and silencer device for use therein |
| 07/15/1998 | CN1187586A Closed compressor and its manufacturing method |
| 07/15/1998 | CN1187585A 往复式压缩机 Reciprocating Compressors |
| 07/15/1998 | CN1187584A Double headed piston type compressor |
| 07/14/1998 | US5779459 Discharge valve arrangement for a hermetic type compressor |
| 07/14/1998 | US5779458 Valve apparatus of enclosed reciprocating compressor |
| 07/14/1998 | US5779455 Device for guiding and centering a machine component |
| 07/14/1998 | US5779004 For a refrigeration system |
| 07/09/1998 | WO1998029660A1 Structure for recovering leakage oil in compressor |
| 07/08/1998 | EP0852295A1 Compressor with valve for by-pass and anti-reverse rotation control |
| 07/08/1998 | EP0851979A1 Air drying device for a pneumatic system |
| 07/07/1998 | US5775894 Compressor ball valve |
| 07/07/1998 | US5775887 Spacer configuration for a discharge reed valve of a hermetic type compressor |
| 07/07/1998 | US5775886 Gas compressor with reciprocating piston with valve sheath |
| 07/07/1998 | US5775885 Combination suction manifold and cylinder block for a reciprocating compressor |
| 07/01/1998 | EP0851126A1 Screw machine and shaft bearing lubrication |
| 07/01/1998 | EP0851120A2 Piston pump, in particular a radial-piston pump for internal combustion engine fuel |
| 07/01/1998 | CN2285381Y Top cover improved refrigeration compressor |
| 07/01/1998 | CN1186172A Connection rod of hermetically sealed compressor |
| 07/01/1998 | CN1186169A Oil pickup apparatus for hermetic compressor |
| 07/01/1998 | CN1186167A Compressor |
| 07/01/1998 | CN1186166A Swash plate type compressor |
| 07/01/1998 | CN1186165A Closed type compressor |
| 06/30/1998 | US5772407 Reciprocating piston type compressor improved to distribute lubricating oil sufficiently during the starting phase of its operation |
| 06/30/1998 | US5772406 Piston-type compressor with a lubricating system |
| 06/30/1998 | US5771775 For restricting rotation of the piston in a compressor |
| 06/30/1998 | US5771693 Gas compressor |
| 06/25/1998 | DE19755241A1 Coolant compressor |
| 06/24/1998 | CN1185542A Floatation stopping device for closed compressor |
| 06/24/1998 | CN1185534A Reciprocating type refrigerating compressor |
| 06/24/1998 | CN1185533A Stator stopping structure for sealed compressor |
| 06/24/1998 | CN1185530A Air-tight compressor with suction-in silencer |
| 06/24/1998 | CN1185529A 往复式压缩机 Reciprocating Compressors |
| 06/24/1998 | CN1038871C Ring valve |
| 06/24/1998 | CN1038868C Oblique plate type refrigeraing compressor |
| 06/23/1998 | US5770048 Method for removal of acid from compressor oil |
| 06/23/1998 | US5769613 Compressor muffler having sections interconnected by an elastic retainer |
| 06/23/1998 | US5769610 High pressure compressor with internal, cooled compression |
| 06/23/1998 | US5769126 Discharge valve assembly in a reciprocating compressor |
| 06/23/1998 | US5769117 Guard and seat assembly, and a guard structure therefor |
| 06/23/1998 | US5768974 Swash plate type compressor |
| 06/17/1998 | CN1184893A Piston type compressors and pistons |
| 06/16/1998 | US5765997 Bubble generator for a washing machine |
| 06/16/1998 | US5765464 Reciprocating pistons of piston-type compressor |
| 06/16/1998 | US5765291 Compressed-gas system with a gas drier |
| 06/10/1998 | EP0846749A1 Refrigerator |
| 06/10/1998 | EP0846485A1 Compressor installation with oil separation from condensate and device used thereby for separating oil from condensate |
| 06/10/1998 | EP0846227A1 Piston-type compressor, especially for generating compressed air in motor vehicles |
| 06/10/1998 | EP0799382B1 Liquid ring gas pump with a silencer in the pressure chamber |
| 06/10/1998 | CN1184209A Oil pickup apparatus for hermetic compressor |
| 06/09/1998 | US5762479 Discharge arrangement for a hermetic compressor |
| 06/09/1998 | US5762478 Cylinder head structure of a reciprocating compressor and method of attaching a capillary tube to the cylinder head structure |
| 06/09/1998 | US5762164 Oil pump for a variable speed hermetic compressor |
| 06/04/1998 | WO1998023862A1 Reciprocating compressor |
| 06/04/1998 | DE19649308A1 Suction line connection for vacuum pump |
| 06/03/1998 | EP0845595A1 Hermetic compressor |
| 06/03/1998 | EP0845593A1 Slant plate type compressor with variable capacity control mechanism |
| 06/03/1998 | EP0739450B1 Seal for a piston-cylinder unit |
| 05/28/1998 | WO1998022712A1 Improvement in the head and silencer of a refrigeration compressor |
| 05/28/1998 | DE19751736A1 Variable displacement compressor for vehicle air conditioning unit |