| 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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| 04/07/2009 | US7513761 Double screw compressor for supplying gas |
| 04/02/2009 | WO2009041390A1 Scroll fluid machine |
| 04/02/2009 | WO2009041221A1 Compressor |
| 04/02/2009 | US20090087334 Sliding Vane Compression and Expansion Device |
| 04/01/2009 | EP2042742A1 Fluid machine |
| 04/01/2009 | EP2042737A2 Pressure recovery system |
| 04/01/2009 | EP2040784A2 Mechanical ventilation system utilizing bias valve |
| 04/01/2009 | CN201215114Y Self-circulation watercooling system for mechanical seal for pump |
| 04/01/2009 | CN201215091Y Low noise compressor assembly |
| 04/01/2009 | CN201215090Y Novel structure for cooling rotary type totally-enclosed compressor |
| 04/01/2009 | CN201215089Y Energy-conserving environment protection single screw air compressing unit |
| 04/01/2009 | CN201215088Y Screw type air compressor |
| 04/01/2009 | CN201215086Y Vacuum pump |
| 04/01/2009 | CN201215085Y Arch slide block structure of rotating fluid machinery for varying slide circle center |
| 04/01/2009 | CN201215078Y Intelligent pressure display controlling and gas supply pressure automatic regulating device for air compressor |
| 04/01/2009 | CN101398005A Silencing apparatus of compressor |
| 04/01/2009 | CN101398004A Oil-cooled air compressor |
| 04/01/2009 | CN101398003A Fixed structure of compressor housing and engine |
| 04/01/2009 | CN101398001A Two-stage rotary compressor |
| 04/01/2009 | CN101398000A Two-stage rotary compressor |
| 04/01/2009 | CN101397999A Rotor type compressor |
| 04/01/2009 | CN101397998A Slide holding device of rotary compressor and control method thereof |
| 04/01/2009 | CN101397997A Assembling method of rotary double cylinder compressor pump body |
| 04/01/2009 | CN101397996A Fluid pump |
| 04/01/2009 | CN101397995A Refrigerant compressor |
| 04/01/2009 | CN101397994A Scroll compressor with high side to low side oil bleed valve |
| 04/01/2009 | CN101397993A Scroll type compressor |
| 04/01/2009 | CN101397992A Scroll type fluid machine |
| 04/01/2009 | CN101397991A Scroll type fluid machine and air suspension apparatus using the same |
| 04/01/2009 | CN100473838C Cooling of pump rotors |
| 04/01/2009 | CN100473837C One-way valve of compressor |
| 04/01/2009 | CN100473832C Valve device of closed compressor |
| 03/31/2009 | US7510382 Apparatus for preventing overheating of scroll compressor |
| 03/26/2009 | WO2009037968A1 Compressor |
| 03/26/2009 | DE202009000602U1 Verkleidung und Anordnung zum Reduzieren von Lärm von einer Pumpe Enclosures and arrangement for reducing noise from a pump |
| 03/25/2009 | CN201212479Y High-pressure liquid sealed blocking ultra-screw compressor host |
| 03/25/2009 | CN201212478Y Blocking ultra-screw compressor host |
| 03/25/2009 | CN101395379A Method for producing compressor, and compressor |
| 03/25/2009 | CN101395378A Rotor assembly |
| 03/25/2009 | CN101395377A Sliding component of compressor, sliding component base, scroll component, and compressor |
| 03/25/2009 | CN101395374A Compressor |
| 03/25/2009 | CN101395344A Fluid machine |
| 03/25/2009 | CN101392752A Replaceable staking insert |
| 03/25/2009 | CN101392746A Friction lock design for adjustable pump head to allow for 360 deg rotation |
| 03/25/2009 | CN101392745A Lubricating oil heating method of frequency converting air-conditioner compressor |
| 03/25/2009 | CN100472072C Orbiting vane compressor |
| 03/25/2009 | CN100472069C Scroll compressor |
| 03/25/2009 | CN100472068C Air-feeding device |
| 03/19/2009 | WO2009035641A2 Compressor having a shutdown valve |
| 03/19/2009 | WO2009035640A1 Compressor sealing arrangement |
| 03/19/2009 | WO2009035639A1 Compressor having improved sealing assembly |
| 03/19/2009 | WO2009035626A2 Compressor with retaining mechanism |
| 03/19/2009 | WO2009035619A1 Compressor having shell with alignment features |
| 03/19/2009 | WO2009034838A1 Potting structure and potting method for inverter-integrated type electric compressor |
| 03/19/2009 | DE102007043595A1 Positive-displacement machine for compressible media, has lubrication system which accommodates lubricant reservoir in housing for closed lubrication cycle |
| 03/18/2009 | CN201209562Y Pneumatic guide blade adjusting device at entrance of compressor |
| 03/18/2009 | CN201209561Y 罗茨鼓风机 Roots Blower |
| 03/18/2009 | CN201209560Y Rolling rotor type air-conditioned compressor with furcation oil groove |
| 03/18/2009 | CN201209559Y Sound deadening screw |
| 03/18/2009 | CN201209558Y Screw of double-screw compressor |
| 03/18/2009 | CN201209557Y Screw of double-screw compressor |
| 03/18/2009 | CN201209556Y Screw of screw compressor |
| 03/18/2009 | CN201209555Y Impeller wheel for roots blower |
| 03/18/2009 | CN201209540Y Valve plate for compressor |
| 03/18/2009 | CN201209537Y Oxygen compressor |
| 03/18/2009 | CN201209535Y Installation support for compressor protector |
| 03/18/2009 | CN101387298A Double cylinders rotary compressor and freezing cycle device using the same |
| 03/18/2009 | CN101387297A Rotary compressor, method for producing thereof and freezing cycle device |
| 03/18/2009 | CN101387295A Double cylinder translation rotating compressing device |
| 03/18/2009 | CN101387293A Translational rotor compressor |
| 03/18/2009 | CN100470058C Oil supply structure for screw compressor |
| 03/18/2009 | CN100470056C Secondary screw type compressor |
| 03/17/2009 | US7503755 Baffle plate assembly for a compressor |
| 03/12/2009 | WO2009032182A1 Molded plug for a compressor |
| 03/12/2009 | WO2009031626A1 Two-cylinder rotary type compressor, and refrigerating cycle device |
| 03/12/2009 | WO2009031452A1 Scroll type fluid machine |
| 03/12/2009 | US20090068047 Closed Type Fluid Machine |
| 03/11/2009 | EP2034131A1 Expander and compressor with integrated expander |
| 03/11/2009 | CN201206554Y Electrohydraulic type contraprop adjusting device at entrance of compressor |
| 03/11/2009 | CN201206553Y Combination rolling rotor type compressor |
| 03/11/2009 | CN201206552Y Self-lubricating vacuum pressure combination air pump |
| 03/11/2009 | CN201206551Y Single-stage cantalever radial air intake and exhaust double-action liquid ring pump |
| 03/11/2009 | CN201206550Y Synchronous rotation fluid machinery |
| 03/11/2009 | CN101382139A Fixation structure between compressor housing and motor stator |
| 03/11/2009 | CN101382138A Fixation structure between compressor housing and motor |
| 03/11/2009 | CN101382137A Multi-stage roots dry vacuum pump discharging directly into atmosphere |
| 03/11/2009 | CN101382136A Scroll compressor with tapered slider block |
| 03/11/2009 | CN101382125A Air intake valve for compressor |
| 03/11/2009 | CN100467875C Orbiting vane compressor and piston thereof |
| 03/11/2009 | CN100467874C Low-pressure type orbiting vane compressor |
| 03/11/2009 | CN100467871C Horizontal type orbiting vane compressor |
| 03/11/2009 | CN100467870C Scroll-type compressor |
| 03/10/2009 | CA2506544C Filtration vessel and method for rotary gas compressor system |
| 03/05/2009 | WO2009028633A1 Multicylinder rotary type compressor, and refrigerating cycle apparatus |
| 03/05/2009 | WO2009028261A1 Rotary compressor |
| 03/05/2009 | WO2009028127A1 Screw rotor working method, working apparatus, and screw rotor |
| 03/04/2009 | CN201202695Y Low noise vacuum compressor machine unit |
| 03/04/2009 | CN201202655Y Explosion -proof type oil and gas recovery vacuum pump |
| 03/04/2009 | CN201202654Y Spring buckle silencer |
| 03/04/2009 | CN201202653Y Silencer of full sealing ring |