Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
04/2003
04/08/2003US6544014 Scroll-type compressors
04/08/2003US6544009 Compressor and electric motor
04/08/2003US6543238 Refrigerant cycle system with expansion energy recovery
04/03/2003WO2003027441A1 Rotary fluid machinery
04/03/2003US20030063991 Gas compresssor
04/03/2003US20030063990 Scroll fluid machine
04/03/2003US20030063986 Low-pressure gas circuit for a compressor
04/02/2003EP1298324A2 Rotary vane compressor with vane holding plug
04/02/2003CN1408054A Porous part for refrigerators, and method of producing the same and refrigerator
04/02/2003CN1407239A Gas compressor
04/02/2003CN1407238A Vortex compressor manufacture method and apparatus
04/02/2003CN1407237A Vortex compressor
04/02/2003CN1407236A Vortex compressor
04/02/2003CN1407235A Vortex compressor
04/02/2003CN1407234A Exhaust valve of compressor
04/02/2003CN1407233A Vortex compressor and its manufacture
04/02/2003CN1407232A Vortex compressor manufacture
04/02/2003CN1407231A Vortex compressor
04/02/2003CN1104565C 流体压缩机 Fluid Compressor
04/01/2003US6540489 Motor driven compressor
03/2003
03/27/2003US20030059328 Bacterial growth inhibition in a circulation system comprising a compressor
03/27/2003US20030059326 Oil free type screw compressor
03/27/2003US20030059325 Quill drive miniature roots blower
03/27/2003US20030059319 Shaft axial compliance mechanism
03/27/2003US20030056534 Refrigerating device
03/26/2003CN1405951A Vortex compressor and refrigerator using ammonia-like as refrigrant
03/26/2003CN1405452A Compound compressor
03/26/2003CN1103872C Cooling device for oil-sealed rotary vacuum pump
03/26/2003CA2401636A1 Shaft axial compliance mechanism
03/25/2003US6537049 Screw pump having a thermal shield
03/25/2003US6537045 Rotating machine having lubricant-containing recesses on a bearing surface
03/25/2003US6537043 Compressor discharge valve having a contoured body with a uniform thickness
03/25/2003CA2187579C Pump drive head backspin retarder
03/20/2003US20030053922 Scroll-type fluid machine
03/20/2003US20030053916 Hybrid compressor
03/19/2003EP1293676A2 Two stage scroll compressor
03/19/2003EP1293675A1 Scroll compressor
03/19/2003CN2540527Y Slipper with lubricating film coated layer
03/19/2003CN2540525Y Piston with lubricating film coated layer
03/19/2003CN1403714A Bleed valve assembly for fluid machinery
03/18/2003US6533562 Two-stage oil injection into scroll compressors
03/18/2003US6533558 Closed rotary compressor
03/13/2003US20030046952 Scroll compressor and refrigerating system using ammonia group refrigerant
03/12/2003EP1291530A1 Pump unit
03/12/2003EP1291529A2 Compressor discharge valve
03/12/2003EP1291528A2 Scroll compressor and refrigerating system using ammonia group refrigerant
03/12/2003EP1291527A2 A two-stage vacuum pump
03/12/2003EP1290346A1 Temperature control with constant cooling flow and temperature for vacuum generating device
03/12/2003EP0843098B1 Scroll compressor
03/12/2003CN1401910A Swirl compressor
03/12/2003CN1401908A Transmission pin structure of swirl compressor
03/12/2003CN1401907A Variable displacement controlling device for reducing swirl compressor
03/12/2003CN1401906A Wear-resistant structure of swirl compressor
03/12/2003CN1401904A Embedded hub vortex compressor
03/11/2003US6530762 Vacuum pump cooling system, and a method of making it
03/11/2003US6530753 Screw compressor with a fluid contracting bypass
03/11/2003US6530240 Control method for mixed refrigerant based natural gas liquefier
03/06/2003WO2003019011A1 Method for the protection of a volumetric liquid-injected compressor
03/06/2003WO2003019010A1 Method for the protection of a volumetric liquid-injected compressor
03/06/2003US20030044297 Scroll compressors
03/06/2003US20030044296 Compressor discharge valve
03/06/2003US20030044295 Device for regulating compressors or aspirators
03/05/2003EP1288500A2 A device for regulating compressor or aspirators
03/05/2003EP1288499A2 Manifold assembly for a compressor
03/05/2003CN1400394A Mutually-matched compressor piston base material and lubricating agent
03/05/2003CN1400393A Spiral compressor
03/05/2003CN1400392A Sealed electrical compressor
03/05/2003CN1400391A Noise and vibration reducing structure for vortex compressor
03/05/2003CN1102703C 涡卷压缩机 Scroll compressor
03/05/2003CN1102702C Eddycompressor whose rotary eddy piece has eddy scroll in two sides of plate
03/05/2003CN1102700C Oil pickup apparatus for hermetic compressor
03/04/2003US6527531 Scroll compressor having step portions for reducing leakage of fluid
03/04/2003US6527085 Lubricating system for compressor
02/2003
02/27/2003WO2002059481A3 Shaft axial load balancing system
02/27/2003US20030039570 Variable quantity control apparatus for variable radius type scroll compressor
02/27/2003US20030039569 Driving pin structure for scroll compressor
02/27/2003US20030039568 Backflow orifice for controlling noise generated by a rotary compressor
02/27/2003US20030039559 Manifold assembly for a compressor
02/27/2003US20030037679 Integrated compressor drier apparatus
02/26/2003EP1286053A1 Rotary pump with backflow
02/26/2003CN1399076A 真空泵 Vacuum pump
02/26/2003CN1399073A Vortex compressor
02/26/2003CN1102202C Valve assembly of compressor
02/25/2003US6524086 Multi-cylinder rotary compressor
02/25/2003US6523347 Thermodynamic power system using binary working fluid
02/20/2003WO2002064981B1 Horizontal scroll compressor
02/20/2003US20030035731 Dry vacuum pump
02/20/2003US20030033823 Digital scroll condensing unit controller
02/19/2003EP1284366A1 Multistage compressor
02/19/2003CN1397736A Electric compressor and its control method
02/18/2003US6520758 Screw compressor assembly and method including a rotor having a thrust piston
02/18/2003US6520754 Compressor unit for refrigeration
02/18/2003CA2270782C Cascaded progressing cavity pump system
02/13/2003US20030031577 Gas compressor
02/13/2003US20030031570 Compressor
02/12/2003EP1283367A2 Vane compressor
02/12/2003CN1396382A 压缩机 Compressor
02/12/2003CN1101525C Refrigerant compressor
02/11/2003US6517328 Compressor and an electric motor with an insulative, non-conductive member inserted between the stator and the motor housing
02/11/2003US6517325 Air compressor and method of operating the same
1 ... 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 ... 170