| 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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| 08/12/1994 | WO1994028305A1 Reciprocating type compressor |
| 08/11/1994 | DE4404100A1 Cooling gas ducting mechanism in a piston compressor |
| 08/11/1994 | DE4328560A1 Pump for delivering explosive gases |
| 08/09/1994 | US5336066 Balloon pump |
| 08/03/1994 | EP0608594A1 Hermetic compressor |
| 08/03/1994 | EP0608506A2 Compressor section in an easily assembled motor-compressor unit |
| 08/03/1994 | EP0608403A1 Noise absorbing composite for the suspension system of compressors, motors and similar apparatus. |
| 08/03/1994 | CN1090376A Closed type electromotive compressor |
| 07/26/1994 | US5332368 Air compressor having a high pressure output |
| 07/26/1994 | US5332365 Slant plate type compressor with variable capacity control mechanism |
| 07/26/1994 | CA1330977C High side scotch yoke compressor with motor cooled by discharge gas |
| 07/26/1994 | CA1330975C Arterial discharge muffler chambers in a driven piston compressor |
| 07/26/1994 | CA1330974C Compressor lubrication system including shaft seals |
| 07/21/1994 | WO1994016225A1 Control valve for a variable displacement refrigerant compressor |
| 07/19/1994 | US5330329 Suction conduit assembly mounting |
| 07/19/1994 | CA1330786C Suction line adaptor and filter |
| 07/12/1994 | US5328338 Hermetically sealed electric motor compressor |
| 07/12/1994 | US5327997 Lubrication management system |
| 07/12/1994 | US5327932 Valve restraint enhancement |
| 07/05/1994 | US5326231 Gas compressor construction and assembly |
| 06/30/1994 | DE4339376A1 Coolant gas piston compressor with rotary suction valve - which co-rotates with drive shaft, has outer peripheral wall, and opposite end sections |
| 06/29/1994 | EP0604385A1 Automatic valve |
| 06/29/1994 | EP0604357A1 Thermally responsive relief valve |
| 06/29/1994 | CN1088662A Apparatus for producing of fluidic pressure |
| 06/28/1994 | US5324267 Slitted pressure cuff check valve |
| 06/23/1994 | WO1994014173A1 Electromagnetically actuated compressor valve |
| 06/21/1994 | US5322419 Compressor for domestic refrigerators |
| 06/15/1994 | EP0601958A1 Sound abatement in rotary compressors |
| 06/15/1994 | EP0601196A1 Filter system for compressed air |
| 06/14/1994 | US5320027 Lubricant sealed bearing for forward and reverse rotation of rotating members |
| 06/14/1994 | CA1330213C Improvement in reciprocating piston compressor for small refrigerating machines and assembly method therefor |
| 06/09/1994 | DE4241515C1 Sound-absorbing housing cladding for machine - comprises air noise-damping layer of fibres which in outer edge area are compressed and adhered to pore-free support frame |
| 06/08/1994 | EP0600131A1 Refrigeration device using hydrofluorocarbon refrigerant |
| 06/07/1994 | US5318412 Flexible suspension for an oil free linear motor compressor |
| 06/07/1994 | US5318411 Compressor with integral filter |
| 06/07/1994 | US5318410 Variable displacement compressor |
| 06/01/1994 | DE4239794A1 Miniature hand air pump, e.g. for sports shoe - regulates air pressure in relatively small vol. using pressure sensor in housing |
| 05/31/1994 | US5316447 Axial multi-piston type compressor having movable discharge valve assembly |
| 05/31/1994 | CA2029181C Hermetic terminal with electrically insulating anti-tracking cap |
| 05/31/1994 | CA2025060C Oil reclaim system |
| 05/26/1994 | WO1994011636A1 Rocking swash plate type variable capacity compressor |
| 05/26/1994 | WO1994011635A1 Piston type compressor |
| 05/26/1994 | DE4239575A1 Sound absorber for pneumatic pump - is separate from pump and connected to it via snap connection and guide pins and bores |
| 05/25/1994 | EP0597872A1 A hermetic motor-driven compressor unit for refrigerating circuits. |
| 05/25/1994 | CN2166254Y Hydrogen & nitrogen compressor piston |
| 05/25/1994 | CN1024708C Cabinet of Closed reciprocating refrigeration compressor for reducing noise |
| 05/18/1994 | CN2165258Y Compressed air purifying antifreezing device |
| 05/17/1994 | US5312192 Bearing lubricating structure for rotary machinery |
| 05/17/1994 | US5311902 Reciprocating compressor valve |
| 05/17/1994 | CA1329577C Bicycle seat post housed tire pump with two check valves |
| 05/11/1994 | WO1994010444A1 Multiple axis rotary compressor |
| 05/11/1994 | CA2129971A1 Multiple axis rotary compressor |
| 05/10/1994 | CA2034202C Seal for connecting a tube to a housing member and method for forming same |
| 05/04/1994 | EP0595313A1 Valved discharge mechanism of a refrigerant compressor |
| 04/27/1994 | EP0594431A2 Refrigerant compressor and refrigeration system incorporating same |
| 04/27/1994 | EP0593747A1 Compressor assembly with staked shell. |
| 04/26/1994 | US5306121 Compressor tiered mounting arrangement |
| 04/20/1994 | EP0592812A1 Connecting rod for motor-compressor units |
| 04/20/1994 | EP0592811A1 Valve device associated with the muffler of a motor-compressor unit |
| 04/20/1994 | EP0592810A1 Device acting as a bearing and as a support and upper guide for a drive shaft in a motor-compressor unit |
| 04/20/1994 | CN1085581A Noise absorbing composite for the suspension system of compressors, motors and similar apparatus |
| 04/20/1994 | CN1024293C Closed compression engine |
| 04/20/1994 | CN1024292C Refrigerant compressor |
| 04/20/1994 | CN1024291C Suction pump |
| 04/19/1994 | US5304044 Hermetic compressor |
| 04/19/1994 | US5304043 Multiple axis rotary compressor |
| 04/13/1994 | CN2161749Y Non-crankshaft air compression engine |
| 04/12/1994 | CA2030075C Method for assembling rotors without fixtures |
| 04/12/1994 | CA1328434C Compressor valve system |
| 04/07/1994 | DE4333634A1 Axial piston swash plate compressor for vehicle - uses valve control to convey residual gas at high and at low pressures |
| 04/07/1994 | DE4333633A1 Axial piston swash plate compressor for vehicle air conditioning - uses rotary valve with groove to convey residual gas between cylinders |
| 04/07/1994 | DE4233183A1 Vacuum pump with used oil removal extractor - employs membrane pump and self sealing quick coupling |
| 04/06/1994 | EP0590238A1 Method of making foam in an energy efficient compressor |
| 04/06/1994 | EP0451230B1 Compressor for domestic refrigerators |
| 04/05/1994 | US5299917 Evacuation pump system with check valves for both rigid and flexible containers |
| 04/05/1994 | US5299633 Heat exchanger device for refrigeration driers in compressed-air installations and tube/plate heat exchangers for use in the latter |
| 03/30/1994 | EP0589667A1 Valved discharge mechanism of a refrigerant compressor |
| 03/30/1994 | EP0589570A1 Compressor |
| 03/23/1994 | EP0588466A1 Wobble piston |
| 03/23/1994 | EP0588381A2 Hermetic compressor |
| 03/23/1994 | CN1084255A Purified compressed air supply unit |
| 03/22/1994 | US5295815 Oil inlet feed |
| 03/22/1994 | US5295359 Compressor for receiving a gas expelled |
| 03/17/1994 | WO1993024754A3 A gas compressor |
| 03/16/1994 | EP0587402A1 Crankshaft lubrication system |
| 03/16/1994 | CN2159081Y Multifunction portable feeder box with air compressor in it |
| 03/08/1994 | US5292233 Variable capacity swash plate type compressor |
| 03/03/1994 | WO1994004853A1 Piston-articulating pin-connecting rod assembly for reciprocating hermetic compressors |
| 03/03/1994 | WO1994004822A1 Noise absorbing composite for the suspension system of compressors, motors and similar apparatus |
| 03/03/1994 | DE4326520A1 Swashplate compressor for air conditioner - has cylinder block with swashplate chamber, and drive shaft bearings lubricated by oil in cooling medium gas flow |
| 03/03/1994 | DE4326519A1 Compressor assembly using swashplate - has cylinder block with chamber, which holds swashplate and compressor suction chamber, has cylinder bores with double-acting pistons |
| 03/03/1994 | DE4228326A1 Treatment of condensate in air compressor units and esp. transportable compressors - with condensate absorbed into cylindrical or flat filter elements and water evaporated by air heated by passing over compressor housing |
| 03/01/1994 | US5289847 Plate-type valve for a pressured-fluid machine, and a valving plate assembly therefor |
| 02/22/1994 | US5288212 Cylinder head of hermetic reciprocating compressor |
| 02/22/1994 | US5288211 Internal baffle system for a multi-cylinder compressor |
| 02/22/1994 | US5287916 Apparatus and method for disposing liquid effluent from a liquid system |
| 02/22/1994 | US5287883 Valve, in particular for compressors |
| 02/22/1994 | CA1327189C Valve arrangement |
| 02/17/1994 | WO1994003726A1 Fluid pressure generation apparatus |
| 02/16/1994 | EP0582712A1 Hermetic compressor |