| 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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| 02/16/1994 | EP0378645B1 Improved high pressure reciprocating pump |
| 02/15/1994 | US5286172 Slant plate type compressor with variable capacity control mechanism |
| 02/15/1994 | US5285809 Drain discharge device |
| 02/10/1994 | DE4326408A1 Axial piston compressor for air conditioning system - uses rotary slider to feed fluid into cylinder bores during suction strokes |
| 02/10/1994 | DE4326323A1 Axial piston compressor for air conditioning system - uses centering device to align drive shaft with cylinder block |
| 02/02/1994 | EP0581691A1 Apparatus for producing and storing compressed air |
| 02/02/1994 | CN1081497A Isolation-sealed and semi-sealed type compressor |
| 02/01/1994 | US5282726 Compressor supercharger with evaporative cooler |
| 02/01/1994 | US5282723 Refrigeration compressor with electronic control arrangement |
| 02/01/1994 | US5282329 Solenoid type control valve |
| 02/01/1994 | CA2065733C Annular support for a seal for a tilt piston |
| 01/26/1994 | EP0580196A1 Pump comprising a partially hollow piston |
| 01/26/1994 | CN1081235A Slant plate type refrigerant compressor with variable displacement mechanism |
| 01/25/1994 | US5281110 Hermetic compressor oil separating baffle |
| 01/25/1994 | US5281105 Hermetic compressor |
| 01/21/1994 | CA2100837A1 Pump comprising a partially hollow piston, and its applications especially in the petroleum industry |
| 01/19/1994 | EP0578714A1 A connecting rod for small reciprocating machines, particularly for compressors for refrigerators. |
| 01/19/1994 | CN1080980A An annular valve for a piston compressor |
| 01/12/1994 | CN2152923Y Lubricating structure for power end of plunger pump |
| 01/11/1994 | US5277560 Ring valve type air compressor with deformable ring valves |
| 01/11/1994 | US5277554 Tandem compressor mounting system |
| 01/05/1994 | EP0577315A2 An air filter having a low internal pressure drop |
| 01/05/1994 | EP0576512A1 Reciprocating vacuum pumps. |
| 01/04/1994 | US5275541 Fluid-operated valve for pumps and the like |
| 01/04/1994 | US5275537 Magnetic power piston fluid compressor |
| 12/29/1993 | EP0575880A1 A reciprocating piston volumetric compressor, particularly for pneumatic braking systems |
| 12/29/1993 | CN2151277Y Two purpose air compressor |
| 12/28/1993 | US5274200 Sound containment enclosure |
| 12/28/1993 | US5273410 Compressor exhibiting an iron sulfide wear surface |
| 12/23/1993 | DE4319017A1 Swashplate compressor for vehicle air conditioning system - uses dividing plate with series of holes to minimise pulsation effect |
| 12/21/1993 | US5272285 Sound attenuating machinery cover |
| 12/21/1993 | US5271247 Cooling device for a hermetic motor-driven compressor |
| 12/16/1993 | DE4219101A1 Regeneratable dryer, for the compressed air supply to a braking system - which is regularly regenerated, even when out of use, to meet need of stand-by vehicles e.g. fire engines |
| 12/09/1993 | WO1993024754A2 A gas compressor |
| 12/09/1993 | DE4317090A1 Assembly sequence for vehicle IC engine - provides for insertion of gudgeon pins via through-bores in walls of cylinder crank housing |
| 12/09/1993 | CA2136716A1 A gas compressor |
| 12/08/1993 | EP0573144A1 Compressor unloader |
| 12/08/1993 | EP0573063A1 Bearing lubricating structure for rotary machinery |
| 12/08/1993 | EP0572748A1 Annular valve for a piston compressor |
| 12/07/1993 | US5267844 Powered work producing apparatus |
| 12/02/1993 | CA2095772A1 Compressor unloader |
| 12/01/1993 | EP0571715A1 Valve plate with a recessed valve assembly |
| 12/01/1993 | CN1079028A Oil pump for a variable speed hermetic compressor |
| 12/01/1993 | CN1078919A In-line filter device for compressed air |
| 11/30/1993 | US5266016 Positive stop for a suction leaf valve of a compressor |
| 11/30/1993 | US5266015 Compressor suction and discharge valve assembly |
| 11/30/1993 | US5265646 Valve spacer plate |
| 11/29/1993 | CA2090296A1 Valve plate with a recessed valve assembly |
| 11/25/1993 | WO1993023146A1 Filter system for compressed air |
| 11/23/1993 | US5263834 1,1,1,2-tetrafluoroethane, 1,1-difluoroethane |
| 11/23/1993 | US5263643 Thermally responsive relief valve |
| 11/18/1993 | EP0569958A1 Swash plate type refrigerant compressor |
| 11/17/1993 | CN2146583Y Air-compressor floating piston |
| 11/16/1993 | US5261800 Compressor, and method of manufacturing same including a press-fit inlet tube |
| 11/16/1993 | CA1324363C Protective cap for compressor hermetic terminal |
| 11/16/1993 | CA1324362C Compressor mounting pin |
| 11/11/1993 | WO1993022557A1 Oil pump for a variable speed hermetic compressor |
| 11/09/1993 | US5260524 Muffler for air compressor and method |
| 11/03/1993 | CN1078021A Magnetic copressor and power output apparatus thereof |
| 11/02/1993 | US5257915 Oil free linear motor compressor |
| 10/28/1993 | WO1993021440A1 Compressor assembly with staked shell |
| 10/27/1993 | EP0566959A1 Magnet compressor and power extracting apparatus making use of the same |
| 10/25/1993 | CA2093598A1 Magnet compressor and power extracting apparatus making use of the same |
| 10/20/1993 | EP0566180A1 Device for drying a gas |
| 10/20/1993 | CN1077522A Hermetic compressor |
| 10/20/1993 | CN1077396A Device for drying a gas |
| 10/19/1993 | CA1323341C Compressor valve |
| 10/14/1993 | DE4311688A1 Compressor with variable displacement - has link mechanism, with stud, to turn swashplate dependent upon drive shaft rotation |
| 10/12/1993 | US5252045 Dual piston reciprocating vacuum pump |
| 10/12/1993 | US5252039 Enclosed motor-driven compressor |
| 10/12/1993 | US5252038 Hermetic motor-driven compressor |
| 10/12/1993 | US5252036 Normal direction heater for compressor crankcase heat |
| 10/12/1993 | US5252035 Suction structure for electrically-driven hermetic compressor |
| 10/12/1993 | CA2021563C Rotary compressor electrical ground device |
| 10/06/1993 | EP0564073A1 Improved eccentric crank assembly for a reciprocating piston air compressor |
| 10/06/1993 | CN1077002A Wobble plate type refrigerant compressor |
| 10/05/1993 | US5249939 Valved discharge mechanism of a refrigerant compressor |
| 10/05/1993 | US5249595 Valve, in particular for a piston-type compressor |
| 10/05/1993 | CA1322741C Hermetic compressor having resilient internal mounting |
| 10/05/1993 | CA1322740C Controlled by-pass for a booster pump |
| 09/30/1993 | DE4209550A1 Piston cylinder seal in engine - has labyrinth channel piston against rough cylinder wall with profiled piston ring |
| 09/22/1993 | EP0561385A1 Compressor with hermetically sealed casing |
| 09/22/1993 | EP0561384A1 Hermetically encased compressor with spring suspension |
| 09/22/1993 | EP0561383A1 A refrigeration compressor |
| 09/22/1993 | EP0561114A1 Thermoelectrically cooled pumping system |
| 09/21/1993 | US5246356 Sound abatement in rotary compressors |
| 09/16/1993 | WO1993018304A1 Hermetic compressor |
| 09/15/1993 | CN2142151Y Intake muffling & cleaning combined apparatus for air compressor |
| 09/15/1993 | CN1022126C Sealed compressor driven by electric-motor |
| 09/14/1993 | US5244363 Low blow-by compressor |
| 09/14/1993 | US5244355 Swash plate type compressor |
| 09/14/1993 | CA1322180C In-line filter assembly for compressed air |
| 09/08/1993 | EP0558806A1 Motor-compressor unit, in particular for refrigerators |
| 09/07/1993 | USRE34367 High-pressure-fluid machine, a seal |
| 09/07/1993 | US5242276 Multicylinder compressor |
| 09/02/1993 | WO1993017273A1 Silencer for compressed air |
| 09/02/1993 | CA2130254A1 Silencer for compressed air |
| 08/31/1993 | CA2023760C Hermetic terminal with terminal pin assemblies having fusible links |
| 08/25/1993 | EP0428675B1 A valve unit for a reciprocating compressor for refrigerators and the like |
| 08/25/1993 | EP0394328B1 Automatic clearance adjuster |