| Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516) |
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| 05/28/2014 | CN102345602B 流体机械 Fluid Machinery |
| 05/21/2014 | CN203604158U 一种活塞式空气压缩机轴承端盖的密封装置 One kind of piston air compressor bearing cap sealing device |
| 05/15/2014 | US20140134035 Trochoidal rotary device |
| 05/14/2014 | EP2730742A2 Scroll compressor with rotation restriction mechanism |
| 05/14/2014 | EP2730741A2 Scroll compressor with rotation restriction mechanism |
| 05/13/2014 | US8721309 Airtight compressor |
| 05/08/2014 | WO2013068531A3 Controllable vane compressor |
| 05/07/2014 | CN203584812U 一种滑板式空气压缩机 One kind of skateboard-type air compressor |
| 05/07/2014 | CN103782036A 具有两个气缸的旋转式压缩机 Having two cylinder rotary compressor |
| 05/07/2014 | CN103775340A 偏心轮顶板式真空泵 Eccentric roof vacuum pump |
| 04/30/2014 | CN203570589U Screw compressor |
| 04/24/2014 | WO2014004141A3 Supercharger assembly with rotor end face seal and method of manufacturing a supercharger assembly |
| 04/23/2014 | CN103742413A Air sealing ring |
| 04/17/2014 | WO2013165876A3 Positive displacement pump assembly with movable end plate for rotor face clearance control |
| 04/16/2014 | CN203548191U Inner screw type fluid conveying device |
| 04/16/2014 | CN103727035A Hemetic compressor |
| 04/10/2014 | WO2013092456A3 Scroll compressor having an axially slidable scroll spiral |
| 04/09/2014 | CN203532253U Small-size low-temperature sliding-vane compressor |
| 04/09/2014 | CN103717902A Pump system for gas exhaust and gas exhaust method |
| 04/09/2014 | CN103711696A Magnetic transmission screw refrigerating compressor |
| 04/03/2014 | WO2014050007A1 Rotary compressor |
| 04/02/2014 | CN203516103U Sealing compensation structure of electric automobile scroll compressor |
| 03/26/2014 | CN203500004U Mechanical-seal Roots vacuum pump |
| 03/26/2014 | CN103671111A Vane type gas compressor |
| 03/26/2014 | CN103671107A Novel scroll compressor for vehicle air conditioner and manufacturing method of scroll compressor |
| 03/25/2014 | US8678786 Scroll compressor with partial unloader for start-up |
| 03/20/2014 | WO2014041680A1 Oil-cooled screw compressor system and oil-cooled screw compressor |
| 03/19/2014 | CN203488372U Double-section sealing roots vacuum pump |
| 03/05/2014 | CN203463287U Scroll compressor |
| 02/26/2014 | CN103603803A Water vapor screw compressor shaft seal structure |
| 02/18/2014 | US8651843 High efficiency fixed displacement vane pump |
| 02/13/2014 | WO2014025025A1 Rotary compressor and refrigeration cycle apparatus |
| 02/12/2014 | CN203430781U Scroll plate of scroll compressor and scroll compressor |
| 02/05/2014 | EP2691652A1 Scroll compressor |
| 02/05/2014 | CN203420888U Novel rotary totally-enclosed automobile air-conditioning compressor |
| 01/30/2014 | WO2014018505A1 Injection molded seals for compressors |
| 01/30/2014 | US20140030129 Axial washer for a gear-type pump comprising an axial washer of this type |
| 01/29/2014 | EP2690251A1 3-stroke/6-stroke rocket jet engine |
| 01/29/2014 | EP2689105A2 Vacuum pump with longitudial and annular seals |
| 01/29/2014 | CN203412763U Mechanical sealing device for water-lubricated oil-free single screw air compressor |
| 01/29/2014 | CN103542091A Sealing ring and screw compressor with same |
| 01/22/2014 | CN203404089U Combined-type eccentric shaft and rotating-type multi-cylinder compressor |
| 01/22/2014 | CN103527481A Screw compressor |
| 01/15/2014 | CN203394756U Novel gear pump |
| 01/15/2014 | CN103518035A 3-stroke/6-stroke rocket jet engine |
| 01/15/2014 | CN103511271A Scroll compressor sealing structure and assembly method thereof |
| 01/15/2014 | CN103511262A Rotary compressor, double-cylinder rotary compressor and refrigeration circulating plant |
| 01/09/2014 | WO2014008500A1 Sealing joint for a compressor casing |
| 01/09/2014 | WO2014006363A1 Scroll pump |
| 01/09/2014 | US20140010696 Axial Disc and Gear Pump with Axial Disc |
| 01/08/2014 | CN103502647A 涡旋压缩机 Scroll Compressor |
| 01/08/2014 | CN103498795A Single-machine and double-grade slide sheet type refrigeration compressor |
| 01/03/2014 | WO2014004141A2 Supercharger assembly with rotor end face seal and method of manufacturing a supercharger assembly |
| 01/01/2014 | CN203374482U Framework sealing assembly |
| 01/01/2014 | CN103486045A Lubricating structure for mechanical seal of Roots pump |
| 01/01/2014 | CN103486035A Piston seal mechanism of rotary type refrigeration compressor |
| 01/01/2014 | CN102585436B Method for preparing sealing strip of scroll compressor |
| 12/25/2013 | CN203362522U Oil seal protection device for brushless generator with pump |
| 12/19/2013 | DE102012011820A1 Dual shaft rotary positive displacement machine for conveying and compression of gases, forms cooling fluid exit of spindle rotor internal cooling in brush seal component so that spindle rotor wetted by fluid veil is possible |
| 12/18/2013 | CN203348083U Rotary compressor, double-cylinder rotary compressor and refrigeration circulating device |
| 12/18/2013 | CN103452848A Sealing compensation structure for electric automobile scroll compressor |
| 12/18/2013 | CN103452839A Inner screw rod type fluid conveying equipment |
| 12/11/2013 | EP2672119A1 Geared machine with hydrodynamic and hydrostatic bearing pins |
| 12/11/2013 | CN203335404U Compound seal for claw-type dry vacuum pump |
| 12/11/2013 | CN203335403U Clearance self-adapting hybrid-type double-seal structure for Roots pump driving end |
| 12/11/2013 | CN103443400A Vacuum pump with longitudinal and annular seals |
| 12/05/2013 | WO2013050488A3 Pump fittings and methods for their manufacture |
| 12/05/2013 | DE102013209666A1 Motorbetriebener kompressor The motor-driven compressor |
| 12/04/2013 | CN203321826U Half-sealed oil injecting screw booster |
| 12/04/2013 | CN203321822U Encapsulated refrigeration compressor |
| 11/28/2013 | US20130315769 Scroll fluid machine |
| 11/28/2013 | DE10213252B4 Elektrisch angetriebene Kompressoren und Verfahren zum Umlaufenlassen von Schmieröl durch diese Kompressoren Electrically driven compressors and method for circulating lubricating oil through these compressors |
| 11/27/2013 | CN103415706A Hermetically sealed rotary compressor |
| 11/27/2013 | CN102301094B Scroll compressor with back pressure pocket receiving discharge pressure fluid |
| 11/14/2013 | DE19812819B4 Schraubenverdichter mit mechanischer Gleitringwellenabdichtung Screw compressor with mechanical slip ring shaft sealing |
| 11/14/2013 | DE102012220608B3 Pumping device for diagnostic device, has multiple pumps formed as vane pumps, where suction pump and pressure pump are arranged in pumping module, and one of vane pumps is driven by drive motor, where bearing is press fitted on drive shaft |
| 11/14/2013 | DE102012009418A1 Vacuum pump for direct drive on motor vehicle crankshaft, has working chamber inner wall and orbiter jacket whose in-between working gap is sealed with lubricant in series with lubricated oil as result of orbiter circulation in chamber |
| 11/13/2013 | CN103388581A Anti-reversion assembly and scroll compressor provided with same |
| 10/30/2013 | CN203257683U Seal structure of Roots blower |
| 10/30/2013 | CN203257682U Inner shaft seal of roots vacuum pump |
| 10/23/2013 | CN203248364U Vortex compressor |
| 10/16/2013 | EP2650541A1 Scroll fluid machine |
| 10/02/2013 | CN203223381U Screw compressor |
| 10/02/2013 | CN103334927A Semi-closed oil injection screw supercharger |
| 09/26/2013 | WO2013142418A1 Floating scroll seal with retaining ring |
| 09/25/2013 | EP2642127A1 Vacuum pump with pump rotor bearings on a single side |
| 09/18/2013 | EP2639125A1 Automotive vacuum pump |
| 09/17/2013 | US8535030 Gerotor hydraulic pump with fluid actuated vanes |
| 09/11/2013 | CN103291621A Sealing structure for compressor |
| 09/11/2013 | CN103291618A Scroll compressor |
| 09/04/2013 | CN103282666A Scroll fluid machine |
| 08/28/2013 | CN203161536U Sealing assembly of roots blower |
| 08/21/2013 | CN203146328U Roots blower used for conveying combustible gases |
| 08/21/2013 | CN203146326U Vortex compressor |
| 08/14/2013 | CN203130521U Silencing cover capable of lowering noise and compressor comprising same |
| 08/14/2013 | CN103244421A 真空泵 Vacuum pump |
| 08/13/2013 | US8506263 Vacuum pump |
| 07/25/2013 | DE102012009419B3 "Vakuumpumpe" "Vacuum pump" |
| 07/24/2013 | EP2618000A1 Differential pressure regulating valve and motor-driven compressor having differential pressure regulating device |
| 07/24/2013 | CN203081766U Compressor, pump body assembly and high-pressure cylinder thereof |