| 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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| 08/25/1993 | CN2140974Y Self-clamping gas-charging connection for tyre of vehicles |
| 08/24/1993 | US5238370 Compressor suction gas feed and noise attenuator assembly |
| 08/24/1993 | US5238019 Hold-down assemblage for a gas compressor valve assembly |
| 08/17/1993 | US5236312 Cylinder block assembly |
| 08/17/1993 | US5236311 Compressor device for controlling oil level in two-stage high dome compressor |
| 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 |
| 08/05/1993 | DE4302388A1 Swashplate compressor for refrigerant gas - has gas feed inlet arranged coaxially with cylinder block shaft to avoid pressure drops |
| 08/03/1993 | US5232354 Compressor discharge valve assembly having plural wave ring biasing means |
| 08/03/1993 | US5232351 Centrifugal oil pump booster |
| 08/03/1993 | US5232349 Axial multi-piston compressor having rotary valve for allowing residual part of compressed fluid to escape |
| 08/03/1993 | US5231917 Wobble piston |
| 08/03/1993 | CA1320936C Oil turbulence minimizer for a hermetic compressor |
| 07/30/1993 | CA2088387A1 Wobble plate type refrigerant compressor |
| 07/28/1993 | EP0285612B1 Moisture remover in compressed air system |
| 07/27/1993 | US5230616 Rotary compressor with shaft balancers |
| 07/21/1993 | EP0551713A1 Refrigerant compressor discharge muffler |
| 07/20/1993 | US5228843 Compressor for domestic refrigerators |
| 07/20/1993 | US5228504 Heat exchanger |
| 07/13/1993 | US5226796 Valve assembly in a piston type compressor |
| 07/08/1993 | WO1993013314A1 Swash-plate-type air conditioning pump |
| 07/08/1993 | CA2126309A1 Swash-plate-type air conditioning pump |
| 07/07/1993 | EP0550201A1 Slant plate type compressor with variable capacity control mechanism |
| 07/06/1993 | US5224840 Integral suction system |
| 06/29/1993 | US5222516 Valve seat plate for piston compressor |
| 06/22/1993 | US5220811 Suction muffler tube |
| 06/15/1993 | US5219273 Torsional damper for air conditioning compressor |
| 06/12/1993 | CA2070447A1 System for lubrication of a brake air compressor associated with a turbocharged internal combustion engine |
| 06/10/1993 | WO1993010881A1 Filter for purification of gas |
| 06/02/1993 | EP0544105A1 Energy efficient piston type compressor |
| 06/01/1993 | US5214937 Integral oil separator and muffler |
| 05/27/1993 | WO1993010353A1 Piston machine for use as a compressor or motor |
| 05/26/1993 | CN2134509Y Automatic vacuum liquid exhauster |
| 05/25/1993 | US5213488 Valved discharge mechanism of a refrigerant compressor |
| 05/25/1993 | US5213487 Ring valve type air compressor with deformable ring valves |
| 05/25/1993 | US5213125 Valve plate with a recessed valve assembly |
| 05/25/1993 | US5213025 Conical rod piston |
| 05/25/1993 | CA1318140C Refrigerant injection into oil for sound reduction |
| 05/19/1993 | EP0542178A1 Sound damping of the air sucked in by a compressor |
| 05/18/1993 | US5211542 Method and apparatus for oil sump pressure control |
| 05/13/1993 | DE4136942A1 Cooling cell for compressed gases used with intermittent compressor - has inlet provided by compressor exit valve and outlet valve which opens at preset press level |
| 05/12/1993 | EP0541482A1 Piston compressor for an oilfree gas compression |
| 05/12/1993 | CN2132840Y Compressed air heater by use of diesel engine waste gas |
| 05/12/1993 | CN1071999A Integral oil separator and muffler |
| 05/11/1993 | US5209260 Valve unit for hermetic reciprocating type compressor |
| 05/11/1993 | CA1317470C Compressor mounting apparatus |
| 05/05/1993 | EP0540459A1 Integral oil separator and muffler |
| 05/05/1993 | CN2132003Y Air valve type piston for inflator |
| 05/04/1993 | US5208429 Combination muffler and check valve for a screw compressor |
| 05/04/1993 | US5207564 Compressor head and suction muffler for hermetic compressor |
| 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 |
| 05/04/1993 | CA1317116C Helium pressure seal for a cryogenic refrigerator |
| 04/29/1993 | DE4200495A1 Piston rod assembly with tumbler discs - has hollow lightweight piston with conical tip attached to camshaft ring |
| 04/28/1993 | EP0538493A1 Reciprocatory piston type compressor with valve assemblies having enhanced pressure response characteristics |
| 04/27/1993 | US5205849 Air filter having a low internal pressure drop |
| 04/27/1993 | US5205726 Tubing remover |
| 04/27/1993 | US5205723 Hermetically sealed compressor |
| 04/27/1993 | US5205719 Refrigerant compressor discharge muffler |
| 04/27/1993 | US5205718 Variable displacement swash plate type compressor |
| 04/27/1993 | US5205314 Air compressor condensate removal system |
| 04/21/1993 | CN1020351C Compressor vibroisolating members |
| 04/20/1993 | US5203857 Gas compressor head and discharge valve construction |
| 04/20/1993 | CA1316512C Oil pump for a horizontal type rotary compressor |
| 04/14/1993 | CN1070989A Sealing component for compressor shell |
| 04/13/1993 | US5201643 Compression machine |
| 04/13/1993 | US5201640 Suction muffler assembly for hermetic compressors |
| 04/13/1993 | CA1316001C Valve indexing for a compressor |
| 04/08/1993 | DE4131886A1 Valve plate for vehicle compressor - has deflecting rib to direct cooling flow between pressure valve bores |
| 04/07/1993 | CN1070719A Hermetic motor compressor |
| 04/07/1993 | CN1070718A Multicylinder compressor |
| 04/06/1993 | US5199858 Oil injection type screw compressor |
| 04/06/1993 | US5199856 Passive structural and aerodynamic control of compressor surge |
| 04/06/1993 | US5199345 Piston compressor for the oilfree compression of a gas |
| 04/06/1993 | US5199271 Air conditioning system having timed oil drain separator |
| 03/31/1993 | CA2078761A1 Sheet metal motor mount |
| 03/30/1993 | US5197867 Plate suction valve |
| 03/30/1993 | US5197297 Transport refrigeration system having compressor over-temperature protection in all operating modes |
| 03/23/1993 | US5195874 Multistage compressor |
| 03/23/1993 | US5195420 Piston compressor, particularly an oil-free piston compressor |
| 03/11/1993 | DE4122451C1 Stuffing box for toxic gas compressor - includes seals and flushing gas chambers with flushing gas connection tangential to piston rod |
| 03/09/1993 | US5192200 Reed valve for a hermetic compressor |
| 03/03/1993 | EP0529657A2 Hydrostatic transmission and relief valve therefor |
| 03/02/1993 | US5190121 Two phase compressor lubrication |
| 03/02/1993 | US5189883 Economical refrigeration retrofit systems |
| 02/24/1993 | EP0248004B1 Bellows seal |
| 02/24/1993 | CN1069320A Compressed air drying process |
| 02/18/1993 | DE4226587A1 Compressor discharge flap valve - has inclined stop which changes angle in region of valve flap attachment for progressive action |
| 02/17/1993 | EP0527701A1 Piston compressor for oil-free gas compression |
| 02/17/1993 | CN1069107A Compressor, and method of manufacturing same |
| 02/16/1993 | US5186614 Variable discharge flow attenuation for compressor |
| 02/16/1993 | US5186475 Gasket having retainer element for reed valve integrally formed therewith |
| 02/04/1993 | DE4225209A1 Valve plate for swashplate compressor - uses flat surface valve elements provided with contact bumps |
| 02/03/1993 | EP0526145A2 Compressor, and method of manufacturing same |
| 02/02/1993 | US5183974 Gas pulsation attenuator for automotive air conditioning compressor |
| 02/02/1993 | US5183400 Pipe connection structure of a compressor |
| 02/02/1993 | US5183134 Lubrication system for air compressor |
| 01/31/1993 | WO1993003278A1 Improved turbine and air hose storage housing for portable spray paint guns |
| 01/27/1993 | EP0524552A1 Hermetic motor-compressor unit with a restraining member for the lower part of the drive-shaft |