Patents
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)
07/2003
07/10/2003US20030126885 Multistage compressor
07/10/2003US20030126884 Liquid injection for reduced discharge pressure pulsation in compressors
07/09/2003CN1114044C 螺旋压缩机 Screw compressors
07/09/2003CN1114043C Variable speed vortex compressor
07/08/2003US6589034 Backflow orifice for controlling noise generated by a rotary compressor
07/08/2003US6589026 Fluid machinery having a helical mechanism with through holes for ventilation
07/08/2003CA2306880C Hermetic scroll compressor
07/08/2003CA2299843C Scroll type compressor
07/03/2003WO2003054391A1 Suction mechanism of rotary compressor
07/03/2003US20030124014 Gas compressor
07/02/2003EP1076760B1 Rotating piston machine with three-blade rotors
07/02/2003CN1427180A Noise eliminator of vortex compressor
07/02/2003CN1427179A Sound eliminator of non symmetrical turbine compressor
07/02/2003CN1427178A Vortex compressor having device for preventing noise
07/02/2003CN1427177A Oil supply device of vortex compressor
07/02/2003CN1427176A Oil supply structure of vortex compressor
07/02/2003CN1427175A Valve for screw compressor
07/02/2003CN1427174A Oil recovery device of closed type compressor liquid storage tank
07/02/2003CN1427173A Vortex compressor
07/02/2003CN1427172A Compressor exhaust valve component element
07/02/2003CN1427171A Safety device of vortex compressor
07/02/2003CN1427170A Connecting and fixing structure of compressor and liquid storage tank
07/02/2003CN1427169A Vortex compressor crank shaft supporter
07/02/2003CN1427168A Closed type rotary compressor
07/02/2003CN1427167A Compressor cylinder component element
07/02/2003CN1113450C Hermetic electric compressor and mfg. method thereof
07/02/2003CN1113204C Air conditioner adopting volute compressor
07/02/2003CN1113168C Rotary compressor
07/01/2003US6585503 Screw compressor having a shaped discharge port
07/01/2003US6585502 Scroll compressor with slider block having circular portions in an inner bore
07/01/2003US6585496 Self-regulating oil reservoir for scroll compressor
06/2003
06/26/2003WO2003052273A1 Screw compressor with reduced leak path
06/26/2003US20030118464 Valve for scroll compressor
06/26/2003US20030115900 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
06/25/2003EP1321674A2 Compressor with sound insulation case
06/25/2003EP1320683A1 Variable speed oil-injected screw compressors
06/25/2003CN2557726Y Structure improved CBG series gear pump side board
06/25/2003CN1426509A Multiple induction encrgy-driven engine
06/25/2003CN1425853A Method for producing screw compressor and its rotor
06/25/2003CN1112518C Exhausting silencing apparatus for air-tight rotary compressor
06/25/2003CN1112517C Vortex compressor
06/25/2003CN1112514C Vortex compressor
06/24/2003US6582211 Discharge valve
06/24/2003US6582210 Scroll compressor having a compliant frame and a guide frame for the orbiting scroll
06/24/2003US6582207 Motor compressor and cooling apparatus using the same
06/19/2003WO2003050459A1 Control method for mixed refrigerant based natural gas liquefier
06/19/2003US20030113221 Screw compressor with reduced leak path
06/19/2003US20030113214 Pressure ratio modulation for a two stage oil free compressor assembly
06/18/2003EP1319841A2 Valve for rotary compressors
06/18/2003EP1319840A1 Scroll compressor
06/18/2003EP1319839A1 Scroll compressor
06/18/2003EP1319838A1 Scroll compressor
06/18/2003CN2556392Y Reservoir with buffer ring
06/18/2003CN1424505A Fully closed compressor with inward exhaust pipe insert opening
06/18/2003CN1111652C Oil-free scroll compressor
06/17/2003US6579335 Oil separator and cooler
06/17/2003US6579076 Shaft load balancing system
06/12/2003WO2003048583A1 Power generating device
06/12/2003WO2003048576A1 Discharging part structure for compressor
06/12/2003WO2003048575A1 Lubricant-cooled gas compressor
06/12/2003US20030108446 Screw compressor and method of manufacturing rotor for the same
06/12/2003US20030107288 Rotor for synchronous induction motor, synchronous induction motor, fan motor, compressor, air conditioner, and refrigerator
06/12/2003US20030106431 Provides clean, dry compressed air, at a discharge point
06/12/2003US20030106330 Defroster of refrigerant circuit and rotary compressor
06/11/2003EP1317627A1 Pump comprising a water supply
06/11/2003CN1423356A Method for oil-free lubricating vortex compressor-decompressor system for fuel cell
06/11/2003CN1423057A Compressor
06/11/2003CN1423056A Closed revolving compressor
06/11/2003CN1423055A Revolving compressor, its manufacturing method and defrosting device using said compressor
06/05/2003WO2003046384A1 Vacuum pump comprising a sound attenuation chamber
06/05/2003US20030101740 Hybrid compressor device
06/04/2003EP1316730A2 Rotary compressor
06/04/2003EP1316729A2 Gas compressor
06/04/2003CN2554390Y High-pressure cavity compressor parallel oil supply device
06/04/2003CN1422364A Motor protector on non-orbiting scroll
06/04/2003CN1421611A Mixed compressor apparatus
06/04/2003CN1421610A 气体压缩机 Gas compressor
06/03/2003US6572351 Pressure seal for a vacuum pump
06/03/2003US6572350 Screw compressor
06/03/2003US6571576 Injection of liquid and vapor refrigerant through economizer ports
05/2003
05/30/2003WO2003044373A1 Hermetic compressor
05/30/2003WO2003044369A1 Vacuum pumps
05/30/2003WO2003044367A1 Compressor having oil returning apparatus
05/28/2003EP0918936B1 Drive apparatus, such as a liquid ring machine and a method for driving a drive apparatus, such as transferring fluid
05/28/2003EP0851125B1 Rotary compressor
05/28/2003EP0752532B1 Rotary compressor and refrigerating apparatus
05/28/2003CN1420967A 压缩机 Compressor
05/28/2003CN1420964A Multi-stage compressor
05/28/2003CN1420600A AC generator with vacuum pump capable of enhancing cooling property
05/28/2003CN1420330A Defrosting device of refrigerant loop and rotary compressor for refrigerant loop
05/28/2003CN1420280A Silencer of rotary compressor
05/28/2003CN1420279A Vortex compressor wiht rotating loss reducing device
05/28/2003CN1420278A Gear pump
05/28/2003CN1420277A Hermetically sealed compressor, mfg. method thereof
05/28/2003CN1109824C Scroll-type fluid machine
05/28/2003CN1109821C Oil suction structure for hermetically sealed compressor
05/28/2003CN1109820C Refrigerant compressor with cooling means
05/27/2003US6569347 Alkylbenzene oil and a second synthetic oil compatable with hydrofluorocarbon refrigerant
05/27/2003US6568928 Scroll-type compressor
05/27/2003US6568920 Manifold assembly for a compressor