| 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) |
|---|
| 08/11/1992 | US5136845 Hydrostatic transmission and relief valve therefor |
| 08/11/1992 | CA1306271C Coupling for pressure or vacuum fluid system |
| 07/30/1992 | DE4210578A1 Air pump and shock absorber piston - has ring seal which slides in tapered groove |
| 07/29/1992 | EP0496151A2 Hermetically sealed compressor |
| 07/28/1992 | US5133647 Pulse damper |
| 07/15/1992 | EP0494590A1 Valve plate for piston compressors |
| 07/14/1992 | US5129793 Suction muffler |
| 07/14/1992 | US5129792 Refrigerant compressor having gas pulsation suppression device |
| 07/08/1992 | EP0493702A1 Retainer for piston head subassembly and method of retaining piston head assembly |
| 07/07/1992 | US5127804 Bicycle seat-tube pump with one-way valves |
| 07/07/1992 | CA1304729C Suction gas flow system facilitating stator winding cooling in an electrically driven compressor |
| 07/05/1992 | CA2058826A1 Retainer for piston head subassembly and method of retaining piston head subassembly |
| 07/01/1992 | CN1017273B Vane for fan with multi-blades |
| 06/30/1992 | US5126196 Protective device for a hermetic motor-driven compressor |
| 06/30/1992 | CA1304333C Discharge valve retainer for a compressor |
| 06/24/1992 | EP0491159A1 Hydraulic antilock brake system for vehicles |
| 06/24/1992 | CN2108190U Enclosed reciprocating refrigerating compressor with low noise |
| 06/23/1992 | US5123816 Compressor suction noise attenuator and assembly |
| 06/17/1992 | EP0490089A2 Improvement in refrigeration compressors with electronic control arrangement |
| 06/17/1992 | DE4039786A1 Piston compressor with reduced cylinder dead space - has valve plate with recessed valve seat and location for plate valve spring |
| 06/16/1992 | US5121767 Automatic drain valve |
| 06/16/1992 | CA1303579C Compressor with improved exposed outboard thrust plate and method ofassembly |
| 06/16/1992 | CA1303578C Bellows seal |
| 06/16/1992 | CA1303355C Air conditioning process and associated air conditioner |
| 06/02/1992 | US5118263 Hermetic refrigeration compressor |
| 06/02/1992 | US5118262 Multi-function combination air compressor |
| 06/02/1992 | US5117742 Hermetic sealing |
| 05/26/1992 | CA1301724C Stationary reciprocating compressor for compressing natural gas |
| 05/21/1992 | DE4036296A1 Valve with opening and closure piece - has double walled tubular piece with seal |
| 05/20/1992 | EP0485427A1 Pump |
| 05/13/1992 | CN2104324U Oil and water-removed device for compressed air |
| 05/13/1992 | CN1061078A Spherical piston type air compressor with main componets made of engineering cernic |
| 05/12/1992 | US5112198 Refrigerant compressor having variable restriction pressure pulsation attenuator |
| 05/05/1992 | US5110272 Valve unit for a reciprocating compressor for refrigerators and the like |
| 05/05/1992 | CA1300038C Moisture-removal apparatus |
| 04/28/1992 | USRE33902 Compressor head and suction muffler for hermetic compressor |
| 04/28/1992 | US5107960 Crankcase oil-barrier system |
| 04/22/1992 | CN1060514A Counterweight shield for refrigeration compressor |
| 04/21/1992 | US5106278 Refrigerant gas compressor construction |
| 04/21/1992 | US5106270 Air-cooled air compressor |
| 04/15/1992 | CN2101783U Heatless regenerating drier for vehicle |
| 04/08/1992 | EP0479576A2 Oilless air compressor driven by universal motor |
| 04/08/1992 | EP0479413A1 Counterweight shield for refrigeration compressor |
| 04/08/1992 | CN2101126U Refrigerator compressor heat relewasing deivce |
| 04/07/1992 | US5102317 Two-cylinder-type rotary compressor system having improved suction pipe coupling structure |
| 04/07/1992 | US5101931 Discharge muffler and method |
| 04/07/1992 | US5101857 Valve vane |
| 04/01/1992 | CN1016087B Rotary axis for closed electric compressor |
| 03/31/1992 | US5100606 Method of injection molding a plastic plate |
| 03/31/1992 | US5100306 Noise reducing compressor gasket and head assembly |
| 03/25/1992 | CN2099859U Air pump accessory zyb-a model purifier |
| 03/22/1992 | CA2047824A1 Crankcase heater control for hermetic refrigerant compressors |
| 03/18/1992 | EP0475931A1 Compressor valve |
| 03/17/1992 | US5096395 Discharge valve for reciprocating hermetic compressor |
| 03/11/1992 | EP0473616A1 Bellow-type pump with a plurality of radially arranged bellows |
| 03/10/1992 | US5094598 Capacity controllable compressor apparatus |
| 03/05/1992 | WO1992001882A3 Annular support for a seal for a tilt piston |
| 03/05/1992 | DE4027564A1 Shaft for electric motor - has cavity formed by hole through its length, and filled with damping material |
| 03/03/1992 | US5093864 Silencer |
| 03/03/1992 | US5092747 Fluid compressing apparatus having bearing gap |
| 02/25/1992 | US5090873 Crankcase oil separator |
| 02/18/1992 | US5088897 Swash plate type compressor with internal refrigerant and lubricant separating system |
| 02/18/1992 | US5088579 Oil pickup structure of a compressor |
| 02/12/1992 | CN1015485B Sealed compressor |
| 02/11/1992 | CA1295513C Pumping device |
| 02/05/1992 | CN1058455A Sealed compressor driven by electric-motor |
| 02/04/1992 | CA1295306C Valve assembly and compressor modulation apparatus |
| 02/04/1992 | CA1295304C Motor-compressor |
| 01/22/1992 | CN1058075A Packing for piston and valve machine and machine applying same |
| 01/21/1992 | CA1294590C Ported-plate, fluid control valve |
| 01/17/1992 | WO1992001882A2 Annular support for a seal for a tilt piston |
| 01/14/1992 | US5080565 Retainer for piston head subassembly and method of retaining piston head subassembly |
| 01/14/1992 | US5080130 Gas compressor head and discharge valve construction |
| 01/08/1992 | EP0464868A1 Compressor valve system |
| 01/08/1992 | CN1057706A Valve for hermetic refrigeration compressor |
| 01/07/1992 | US5078582 Reciprocatory piston type compressor having a noise and vibration suppressed discharge valve mechanism |
| 01/07/1992 | US5078580 Plural-stage gas compressor |
| 01/07/1992 | US5077981 Method and apparatus for acoustic attenuation in variable speed compressors |
| 01/02/1992 | EP0463662A1 Packing for piston and valve machine and a machine applying same |
| 12/27/1991 | EP0462927A1 Piston compressor for an oilfree gas compression |
| 12/24/1991 | US5074768 Piston compressor |
| 12/18/1991 | EP0461943A2 Compression device, especially for filling a tank under pressure |
| 12/17/1991 | US5073146 Compressor valving |
| 12/17/1991 | US5073090 Fluid piston compressor |
| 12/12/1991 | DE4117644A1 Flap valve for hermetically sealed compressor - has flexible element mfd. in polyimide resin with reinforcing fibres aligned at least along long axis |
| 12/12/1991 | DE4018055A1 Method of reducing transmission noise in piston compressors - uses piston to regulate pressure release of clearance volume |
| 12/04/1991 | EP0459778A1 Slidable part, refrigerant compressor provided therewith |
| 12/04/1991 | EP0459116A1 Silent vacuum pump |
| 12/04/1991 | EP0459052A1 Refrigerant gas compressor construction |
| 12/04/1991 | CN1056735A Hermetic compressor |
| 12/04/1991 | CN1056734A Cylinder head gasket of reciprocating compressor |
| 11/26/1991 | CA1292364C Structure for motor-compressor units used with refrigerant fluids |
| 11/21/1991 | DE4015637A1 Piston driven compressor - piston is driven no wall contact with cylinder by low friction piston |
| 11/13/1991 | CN2088610U Compressed air recovery device |
| 11/13/1991 | CN1014740B Pressure reducing device for compressor |
| 11/12/1991 | US5064359 Annular support for a seal for a tilt piston |
| 11/12/1991 | US5064356 Counterweight shield for refrigeration compressor |
| 11/12/1991 | US5064206 Piston ring |
| 11/12/1991 | US5064105 Decompression device for suction pumps |
| 11/05/1991 | US5062779 Outlet valve for a rolling piston rotary compressor |