| 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) |
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| 06/10/2009 | CN201255114Y Oil-gas barrel primary separating structure for screw rod compressor |
| 06/10/2009 | CN101451529A Noise reduction device on air-conditioner compressor |
| 06/10/2009 | CN101451528A Roots-type blower reduced acoustic signature method and apparatus |
| 06/10/2009 | CN100498121C 致冷剂循环装置 A refrigerant circulating apparatus |
| 06/10/2009 | CN100497947C Rotary piston vacuum pump with washing installation and method for processing sediment in pump |
| 06/09/2009 | US7546178 Aligner evaluation system, aligner evaluation method, a computer program product, and a method for manufacturing a semiconductor device |
| 06/09/2009 | US7544047 Compressor with two cooling chambers |
| 06/04/2009 | WO2009069611A1 Freezing apparatus |
| 06/04/2009 | WO2009069520A1 Screw compressor |
| 06/04/2009 | WO2009069446A1 Seal structure and compressor |
| 06/04/2009 | US20090142212 Rotary blower with noise abatement jacket enclosure |
| 06/04/2009 | DE19848413B4 Motor-Pumpeneinheit Motor-pump unit |
| 06/03/2009 | EP2066004A1 Motor and compressor |
| 06/03/2009 | EP1828612B1 Compact helical compressor for mobile use in a vehicle |
| 06/03/2009 | EP1553298B1 Oil pump |
| 06/03/2009 | CN101449063A Compressor assembly comprising a valve unit in the intake region |
| 06/03/2009 | CN101446289A 空气压缩机 Air Compressor |
| 06/03/2009 | CN100494691C Check valve device of reel-style compressor |
| 06/03/2009 | CN100494690C Gas leakage preventing structure of scroll compressor |
| 06/03/2009 | CN100494689C Output valve fixer device of rotary compressor |
| 06/03/2009 | CN100494686C Rotary fluid machine |
| 06/03/2009 | CN100494678C 压缩机 Compressor |
| 06/03/2009 | CN100494639C Fluid machine |
| 06/03/2009 | CA2644879A1 Roots-type blower reduced acoustic signature method and apparatus |
| 06/02/2009 | US7540726 Scroll compressor and method for machining scroll wrap |
| 06/02/2009 | CA2496951C Compact rotary compressor with carbon dioxide as working fluid |
| 05/28/2009 | WO2009066619A1 Terminal device for electric compressor |
| 05/28/2009 | WO2009066618A1 Terminal device for electric compressor |
| 05/28/2009 | WO2009066484A1 Electric compactor |
| 05/28/2009 | WO2009066416A1 Compressor integral with expander |
| 05/28/2009 | WO2009066413A1 Compressor integral with expander |
| 05/28/2009 | WO2009066410A1 Compressor integral with expander |
| 05/28/2009 | WO2009012606A3 Displacement machine according to the spiral principle, comprising a bearing assembly on both sides |
| 05/28/2009 | WO2008152055A9 Orbiting-spiral scroll pump or compressor |
| 05/28/2009 | US20090136376 Hermetic compressor and refrigeration system |
| 05/28/2009 | US20090136375 Refrigerant compressor, cooling system and refrigerator |
| 05/27/2009 | EP2063127A1 Safety device for intake valves |
| 05/27/2009 | CN201246308Y Bearing mechanism of single screw compressor inner star wheel rotor |
| 05/27/2009 | CN201246306Y Floating cylinder sleeve airtight device of rotary air cylinder compressor |
| 05/27/2009 | CN201246305Y 皮带式真空泵 Belt-type vacuum pump |
| 05/27/2009 | CN201246293Y Compressor air valve structure |
| 05/27/2009 | CN101440813A Low noise type liquid-cooled compressor |
| 05/27/2009 | CN101440812A Lubrication apparatus of rotary compressor and control method thereof |
| 05/27/2009 | CN101440811A Lubrication apparatus of horizontal rotary compressor and control method thereof |
| 05/27/2009 | CN101440810A Liquid container of horizontal compressor |
| 05/27/2009 | CN101440809A Liquid container for horizontal compressor and control method and application thereof |
| 05/27/2009 | CN101440808A Oil surface control device of horizontal rotary compressor |
| 05/27/2009 | CN101440807A Water circulating system of water-ring vacuum pump |
| 05/27/2009 | CN100491737C Apparatus for varying capacity of scroll compressor |
| 05/27/2009 | CN100491736C Gas/liquid separator device for rotary compressor |
| 05/27/2009 | CN100491733C Full cover type air compressor device for mining |
| 05/27/2009 | CN100491725C Refrigerant compressor arrangement |
| 05/27/2009 | CN100491724C Compressor control unit and compressor control method |
| 05/26/2009 | US7537436 Compressor |
| 05/26/2009 | CA2406554C Arrangement for controlling the flow of a coolant fluid in a compressor |
| 05/22/2009 | WO2009063979A1 Electric compressor terminal device |
| 05/22/2009 | WO2009063820A1 Dry pump |
| 05/22/2009 | WO2009063741A1 Enclosed compressor |
| 05/22/2009 | WO2009062931A2 High vacuum pump for pumping high temperature saturated steam |
| 05/22/2009 | WO2009062366A1 A discharge valve device of a rotary compressor |
| 05/22/2009 | WO2009024698A3 Refrigeration compressor with variable speed spirals |
| 05/21/2009 | CA2612936A1 Compressor system and method of lubricating the compressor system |
| 05/20/2009 | EP2060790A1 High vacuum pump for pumping high temperature saturated steam |
| 05/20/2009 | EP2060275A1 Steam sterilizing system |
| 05/20/2009 | EP2059658A1 Improvements to reciprocating positive-displacement compressors |
| 05/20/2009 | CN201241866Y Distribution cap of liquid-ring type chlorine pump |
| 05/20/2009 | CN201241865Y Ellipse casing of liquid-ring type chlorine pump |
| 05/20/2009 | CN201241857Y Bearing sliding bush of liquid-ring type chlorine pump |
| 05/20/2009 | CN201241856Y Pump shaft of liquid-ring type chlorine pump |
| 05/20/2009 | CN201241836Y 天然气压缩机 Natural Gas Compressor |
| 05/20/2009 | CN201241835Y Single-stage sliding valve vacuum pump of high pressure oil pump forced lubrication |
| 05/20/2009 | CN201241834Y Damping device of sliding valve vacuum pump |
| 05/20/2009 | CN201241831Y Novel water-ring type vacuum pump |
| 05/20/2009 | CN201241829Y Low vibration and low energy consumption electric machine overhead type single-stage sliding valve vacuum pump |
| 05/20/2009 | CN201241828Y Vacuum pump |
| 05/20/2009 | CN201241827Y Improved screw rod main machine structure |
| 05/20/2009 | CN201241809Y Air compressor reed valve cylinder cap for automobile |
| 05/20/2009 | CN101438061A 真空泵 Vacuum pump |
| 05/20/2009 | CN101435426A Compressor with flow control sensor |
| 05/20/2009 | CN101435424A Device for manufacturing container assembly |
| 05/20/2009 | CN100489311C Compressor machine with two counter-rotating rotors |
| 05/20/2009 | CN100489310C Scroll fluid machine |
| 05/19/2009 | US7534100 Rotary fluid machine |
| 05/19/2009 | CA2516391C Scroll compressor with bifurcated flow pattern |
| 05/19/2009 | CA2418324C Hybrid compressor |
| 05/14/2009 | WO2009060796A1 Electric compressor for vehicle-mounted air conditioner |
| 05/14/2009 | WO2009059488A1 A rotary compressor with low pressure in its shell and methods for controlling its cold media and oil and application thereof |
| 05/14/2009 | US20090123317 Vacuum pump with a lubricant pump |
| 05/14/2009 | US20090123302 Screw compressor |
| 05/13/2009 | EP2058522A2 Compressor with flow control sensor |
| 05/13/2009 | EP2058521A1 Pumping unit and corresponding heating device |
| 05/13/2009 | EP1692440A4 Compressor with unloader valve between economizer line and evaporator inlet |
| 05/13/2009 | CN201236806Y Noise-reduction sliding block of rotor type compressor |
| 05/13/2009 | CN201236805Y Oil separator for compressor |
| 05/13/2009 | CN201236804Y Shaft sealing device for Roots coal gas discharging machine |
| 05/13/2009 | CN201236803Y Sliding blade for rotary vane compressor |
| 05/13/2009 | CN201236802Y Improved compressor liquid container |
| 05/13/2009 | CN201236800Y Rotary vane compressor |
| 05/13/2009 | CN201236799Y Translational rotating compression device |
| 05/13/2009 | CN201236798Y Scroll compressor |