| 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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| 12/18/2002 | CN2526544Y Lower cylinder head for compressor |
| 12/18/2002 | CN1385659A Digital volute condensation unit controller |
| 12/17/2002 | US6494696 Scroll compressor |
| 12/17/2002 | US6494695 Orbiting scroll center of mass optimization |
| 12/12/2002 | WO2002099282A1 Cylinder assembly of compressor |
| 12/12/2002 | WO2002071575A3 Motor with divided stator having bonded laminations |
| 12/12/2002 | US20020187064 Gas rotary screw compressor |
| 12/12/2002 | US20020187063 Rotation preventive device for scroll compressor |
| 12/12/2002 | US20020187062 Discharge valve |
| 12/12/2002 | CA2420146A1 Cylinder assembly of compressor |
| 12/11/2002 | EP1265338A2 Vacuum pump |
| 12/11/2002 | EP0864754B1 Oil separator for compressors, scroll compressor using same, and method of manufacturing oil separator for compressors |
| 12/11/2002 | CN2525281Y Two section type thin shaft sleeve hydraulic gear pump |
| 12/11/2002 | CN1384588A Permanent magnetic rotary motor and its compressor with the motor |
| 12/11/2002 | CN1384287A Rotation preventer for vortex compressor |
| 12/11/2002 | CN1095943C 旋转压缩机 Rotary compressor |
| 12/11/2002 | CN1095942C Helical impeller compressor |
| 12/11/2002 | CN1095941C Vortex copressor |
| 12/11/2002 | CN1095940C 涡旋压缩机 Scroll Compressor |
| 12/11/2002 | CN1095937C Closed-type electrically-driven compressor |
| 12/10/2002 | US6491505 Electric air-pump apparatus for motor vehicles |
| 12/10/2002 | US6490882 Method and apparatus for maintaining compressor discharge vapor volume for starting with condensing unit ambient temperatures less than evaporator unit ambient temperatures |
| 12/05/2002 | US20020182097 Oil leak Prevention Structure for vacuum pump |
| 12/05/2002 | US20020182096 Multi-cylinder rotary compressor |
| 12/05/2002 | US20020182095 Multi-cylinder rotary compressor |
| 12/05/2002 | US20020182094 Scroll compressors |
| 12/05/2002 | DE10213256A1 Elektrisch angetriebene Kompressoren und Verfahren zum Umlaufenlassen von Schmieröl durch diese Kompressoren Electrically driven compressors and method for circulating lubricating oil through these compressors |
| 12/04/2002 | CN1383473A Scrawl compressor |
| 12/04/2002 | CN1382911A 复合压缩机 Composite compressor |
| 12/03/2002 | US6488489 Method of aligning scroll compressor components |
| 12/03/2002 | US6488488 Rotary helical screw-type compressor having an intake filter and muffler |
| 12/03/2002 | US6488482 Integral compressor muffler |
| 12/03/2002 | US6488480 Housing for screw compressor |
| 11/28/2002 | WO2002095258A1 Spring having a high natural frequency and a low spring rate |
| 11/28/2002 | WO2002033263A3 Pump |
| 11/27/2002 | EP1260570A1 Methods and apparatus for preventing degradation of electrical insulation properties within air conditioning circuits |
| 11/27/2002 | EP1259736A2 Vacuum pump aggregate |
| 11/27/2002 | CN2522648Y Mechanical sealing device for Roots blower |
| 11/27/2002 | CN1381676A Multi-cylinder rotary compressor, its assembly method and its assembly device |
| 11/27/2002 | CN1095039C Scroll compressors with inverse rotation protector |
| 11/26/2002 | US6485279 Thrust load reliever |
| 11/26/2002 | US6485274 Displacement machine for compressible media |
| 11/26/2002 | US6485268 Oil utilized as motor protector trip for scroll compressor |
| 11/26/2002 | US6484846 Compressor oil pick-up tube |
| 11/26/2002 | CA2082988C Excessive noise preventer |
| 11/21/2002 | WO2002093015A1 Method for safeguarding an appliance |
| 11/21/2002 | US20020172612 Compressor having cooling passage integrally formed therein |
| 11/21/2002 | US20020172599 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor |
| 11/21/2002 | US20020170778 Oil supply apparatus for hermetic compressor |
| 11/21/2002 | US20020170603 Damped valve |
| 11/21/2002 | DE10219125A1 Kompressor mit einem Kühldurchgang, der in diesem integriert ausgebildet ist Compressor with a cooling passage that is formed in this integrated |
| 11/20/2002 | EP1257731A1 Equipment with mutually interacting spiral teeth |
| 11/20/2002 | CN1380947A 2-cylinder, 2-stage compression type rotary compressor |
| 11/20/2002 | CN1094567C Fluid compressor |
| 11/20/2002 | CN1094566C 多级容量控制涡旋压缩机 Multi-stage capacity-controlled scroll compressor |
| 11/14/2002 | US20020168280 Housing for screw compressor |
| 11/14/2002 | US20020166731 Oil leak prevention structure for vacuum pump |
| 11/13/2002 | EP1257038A1 Compressor |
| 11/13/2002 | EP1256721A2 Sealing for a rotary vacuum pump |
| 11/13/2002 | EP1256720A2 Sealing for a rotary vacuum pump |
| 11/13/2002 | CN1094174C 带逆流装置的多叶型叶轮正（负）压罗茨风机结构 Multi-leaf type impeller with countercurrent device positive (negative) pressure blower structure |
| 11/12/2002 | US6478560 Parallel module rotary screw compressor and method |
| 11/12/2002 | US6478558 Oscillating piston type compressor and method of manufacturing piston thereof |
| 11/12/2002 | US6478551 Gas compressor having enlarged discharge chamber |
| 11/12/2002 | US6478116 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 11/07/2002 | WO2002088525A1 Rotary compressor |
| 11/07/2002 | US20020164254 Oil-cooled type compressor |
| 11/07/2002 | DE19882987C2 Vakuumpumpe Vacuum pump |
| 11/07/2002 | DE10215207A1 Motorgetriebener Kompressor und Verfahren zum Zusammenbau eines motorgetriebenen Kompressors Motor-driven compressor and method for assembling a motor-driven compressor |
| 11/06/2002 | CN1378716A 压缩机 Compressor |
| 11/06/2002 | CN1378620A 天然气涡卷压缩机 Gas scroll compressor |
| 11/06/2002 | CN1093919C Perfected twin-screw pump, particularly suitable for pumping of biphase fluids in submarine |
| 11/05/2002 | US6474953 Compressor control system and method for controlling the same |
| 11/05/2002 | US6474087 Method and apparatus for the control of economizer circuit flow for optimum performance |
| 11/04/2002 | EP1228315A4 Scroll compressor for natural gas |
| 10/31/2002 | US20020159904 Double-cylinder two-stage compression rotary compressor |
| 10/31/2002 | US20020159898 Plural compressors |
| 10/31/2002 | US20020159890 High-pressure dome type compressor |
| 10/31/2002 | US20020157409 Digital scroll condensing unit controller |
| 10/31/2002 | US20020157408 Air conditioning systems and methods for operating the same |
| 10/31/2002 | DE10216825A1 Giessvorrichtung und Herstellungsverfahren für ein Spiralelement Casting apparatus and manufacturing method of a spiral element |
| 10/30/2002 | EP1253323A2 Hermetic compressors |
| 10/30/2002 | EP1253321A2 Compressor control system |
| 10/30/2002 | EP1252444A1 Drive mechanism for a screw pump |
| 10/30/2002 | CN1376864A Turbocompressor |
| 10/30/2002 | CN1093605C Noise reducing structure for hermetically sealed compressor |
| 10/30/2002 | CN1093603C Closed compressor and its manufacturing method |
| 10/29/2002 | US6471499 Scroll compressor with lubrication directed to drive flat surfaces |
| 10/29/2002 | US6471497 Gas supplying device for vacuum pump |
| 10/29/2002 | US6471494 Vacuum pumping apparatus |
| 10/29/2002 | US6471492 Oil free screw compressor |
| 10/24/2002 | WO2002084124A1 Screw compressor unit with incorporated oil cooling |
| 10/24/2002 | WO2002084123A1 Vane structure for compressor |
| 10/24/2002 | WO2002068091A3 Oil separator for pumps overflowing with oil |
| 10/24/2002 | US20020155015 Hermetic compressor and open compressor |
| 10/24/2002 | US20020155014 Pressure seal for a vacuum pump |
| 10/24/2002 | US20020155007 Intake regulator for compressed air in a reservoir |
| 10/24/2002 | DE10119927A1 Motor-helical/screw- air compressor arrangement, uses two interlocked helical/screw rotors |
| 10/23/2002 | EP1251280A1 Intake control valve for an air compressor |
| 10/23/2002 | EP1251279A2 Damped valve |