Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
08/2011
08/23/2011US8001949 Internal combustion engine
08/18/2011WO2011099933A1 Revolving vane expander
08/18/2011WO2011099308A1 Scroll compressor
08/18/2011US20110200468 Power driven compressor system for vehicles
08/18/2011US20110200467 Power driven compressor that prevents overheating of control circuit
08/18/2011DE102011011021A1 Verdichter und Herstellungsverfahren für Verdichter Compressor and manufacturing processes for compressor
08/18/2011DE102011003177A1 Antrieb für einen Spindel-Kompressor Drive for a spindle-compressor
08/18/2011DE102011000385A1 Kompakte Struktur für einen Elektro-Kompressor Compact structure for an electric compressor
08/18/2011DE102010064388A1 Drying-compressing two-shaft rotation positive displacement machine e.g. spindle compressor, for e.g. compressing gaseous conveying media, has intake-sided and gear box-sided spindle main rotor shaft parts made of sustainable material
08/18/2011DE102010007906A1 Eccentric cam worm gas pump for e.g. conveying natural gas during oil recovery to use gas as independent energy source, has lubricant reservoir arranged before stator and connected with inner space over lubricant spacer pipeline devices
08/17/2011EP2357364A1 Scroll compressor
08/17/2011EP2357319A2 Compressor assembly
08/17/2011CN201934312U 防自转机构及使用该机构的压缩机和汽车 Anti-rotation mechanism and the use of the institution's compressor and cars
08/17/2011CN201934311U 一种新型高压罗茨鼓风机 A new high pressure blower
08/17/2011CN201934310U 一种带回流装置的防泄漏罗茨鼓风机 One kind of anti-reflux device leakage blower
08/17/2011CN102159906A Refrigerating apparatus
08/17/2011CN102155409A Air-cooled rotary-vane vacuum pump with oil temperature control system and oil temperature control method thereof
08/17/2011CN102155408A Rotary-vane vacuum pump suitable for tile vacuum extruder
08/17/2011CN102155407A Single-cylinder dual-function rotary-type compressor
08/17/2011CN102155406A Oil returning method and oil returning structure of scroll compressor
08/17/2011CN101778999B Screw compressor with integral bearing cover and discharge plenum divider
08/17/2011CN101680449B Single screw compressor
08/17/2011CN101506470B Multi-stage rotary fluid machine and refrigeration cycle device
08/16/2011US7997883 Scroll compressor with scroll deflection compensation
08/11/2011WO2011007157A3 Scroll compressor with scrolls comprising parts with different heights
08/11/2011DE102011010501A1 Kompressor Compressor
08/11/2011DE10046768B4 Schraubenvakuumpumpe mit Bypass-Ventil Screw vacuum pump with bypass valve
08/10/2011CN201925164U 带安全保护阀的卧式滚动转子压缩机 Horizontal scrolling with safety protection valve compressor rotor
08/10/2011CN201925163U 一种螺杆压缩机转子 A screw compressor rotor
08/10/2011CN201925162U 一种螺杆压缩机转子 A screw compressor rotor
08/10/2011CN201925161U 一种易排污的罗茨鼓风机 An easily sewage blower
08/10/2011CN102149922A Rotary pump
08/10/2011CN102149921A Compressor having capacity modulation system
08/10/2011CN102146920A High-pressure roots blower
08/10/2011CN102146919A Double-rotor closed compressor
08/10/2011CN102146918A Water injected scroll air compressor
08/10/2011CN101709701B Single-cylinder multistage gas-compression rolling piston compressor
08/10/2011CN101592151B Screw fluid machinery
08/10/2011CN101576081B Volume type compressor
08/10/2011CN101418796B Screw fluid machine
08/04/2011WO2011092094A2 Vane pump
08/04/2011US20110189044 Screw compressor
08/04/2011DE102011010003A1 Compressor for compression of fluid, has compacting device equipped with fixed element and movable element, where movable element and fixed element work together for performing compression of fluid
08/03/2011EP1454064B1 Scroll compressor with a check valve
08/03/2011CN201916197U 涡旋压缩机密封结构和包含该密封结构的涡旋压缩机 A scroll compressor comprising the sealing structure and the sealing structure of a scroll compressor
08/03/2011CN201916193U 汽车空调用一体式无刷永磁有霍尔电动涡旋压缩机总成 Automotive Air Conditioning integral brushless permanent magnet electric scroll compressor assembly has Hall
08/03/2011CN201916192U 可变输气量的卧式涡旋制冷压缩机 Variable gas transmission capacity of horizontal scroll refrigeration compressors
08/03/2011CN201916191U 能实现大压力比的涡旋式制冷压缩机 Can achieve a large pressure ratio scroll type refrigerant compressor
08/03/2011CN1940296B Vortex compressor
08/03/2011CN102144097A Hermetic compressor
08/03/2011CN101680567B Electromagnetic three-way valve, rotary compressor, and refrigeration cycle device
08/03/2011CN101675248B Scroll compressor
08/03/2011CN101586562B Rotary compressor with enthalpy-increasing device
08/03/2011CN101535650B Compressor
08/03/2011CN101529095B Scroll compressor
08/02/2011US7988433 Compressor having capacity modulation assembly
08/02/2011US7988432 Rotary compressor for changing compression capacity
07/2011
07/28/2011WO2011090335A2 Fluid pump and fluid-pumping method for same
07/28/2011WO2011090071A1 Scroll compressor
07/28/2011WO2011038174A3 Rotary compressor
07/28/2011DE102010001240A1 Flügelzellenpumpe Vane pump
07/27/2011EP2348218A1 Refueling screw compressor
07/27/2011EP2348217A2 Rotary positive displacement blower with noise and shock reduction
07/27/2011EP2347132A2 Inlet screen and scroll compressor incorporating same
07/27/2011EP2347131A2 Vacuum pump
07/27/2011EP2347130A1 Suction duct and scroll compressor incorporating same
07/27/2011CN201908837U Axial variable-displacement scroll refrigeration compressor
07/27/2011CN201908836U Scroll compressor with gas output quantity adjusting function
07/27/2011CN201908835U Variable-displacement vortex compressor
07/27/2011CN102138004A Rotary-type 2-stage compressor
07/27/2011CN101761476B Scroll compressor
07/27/2011CN101490420B Vane pump for pumping hydraulic fluid
07/27/2011CN101449063B Compressor assembly comprising a valve unit in the intake region
07/27/2011CN101070851B Enclosed compressor for refrigeration agent for air conditioner or refrigerator
07/21/2011WO2011088118A1 Progressive cavity compressor
07/21/2011WO2011087457A1 Fixed vane assembly
07/21/2011WO2011086013A2 Vane pump
07/21/2011DE102011000179A1 Motor-getriebener Kompressor Motor-driven compressor
07/20/2011EP1456542B1 Vacuum pump
07/20/2011EP1158167B1 Air conditioner with scroll compressor
07/20/2011CN201902328U Variable-frequency screw air compressor
07/20/2011CN201902327U Vortex compressor
07/20/2011CN102132046A Enclosed compressor, two-cylinder rotary compressor, and refrigerating cycle apparatus
07/20/2011CN102132045A Rotary compressor
07/20/2011CN102132044A Scroll fluid machine
07/20/2011CN102132043A Generation and use of high pressure air
07/20/2011CN102130553A Single-phase induction motor for compressor, compressor thereof and refrigeration circulation device
07/20/2011CN102128165A Dual-oil inlet hydraulic gear pump
07/20/2011CN101865134B Translation penetrating blade type air-conditioner compressor
07/20/2011CN101676563B Vacuum pump
07/20/2011CN101571128B Air compressor
07/20/2011CN101482119B Scroll compressor
07/20/2011CN101210557B Roots dry type vacuum pump rotor molded lines structure
07/19/2011US7980837 Self-aligning rotary pistone machine
07/19/2011US7980836 Modular multi-rotor compressor and method of manufacture
07/19/2011US7980085 Compressor diagnostic system
07/14/2011WO2011083957A2 Rotating power generator using gravity and the weight of liquid
07/14/2011WO2011031766A3 Optimized discharge port for scroll compressor with tip seals
07/14/2011DE112009001893T5 Spiralkompressor mit verbesserter Gegendrucksteuerungsfunktion Scroll compressor with improved back-pressure control function
07/14/2011DE102005014130B4 Schaltventilkonstruktion einer Fluidmaschine Switching valve structure of a fluid machine
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 ... 195