Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
04/2012
04/11/2012CN102414447A Contoured check valve disc and scroll compressor incorporating same
04/11/2012CN102410224A 真空泵 Vacuum pump
04/11/2012CN102410223A 具有通风装置的真空泵 Ventilation apparatus having a vacuum pump
04/11/2012CN102410222A Rotary compressor
04/11/2012CN102410221A 双缸旋转式压缩机 Twin rotary compressor
04/11/2012CN102410220A 一种内外双元偏心轴滚动转环压缩机 One kind of internal and external dual swivel scroll compressor eccentric shaft
04/11/2012CN102410219A 一种立式干式螺杆真空泵 To provide a vertical dry screw vacuum pumps
04/11/2012CN102410218A 压缩机及压缩机装入制品 Compressors and compressor load products
04/10/2012US8152504 Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method
04/10/2012US8152503 Baffle member for scroll compressors
04/10/2012US8152502 Scroll compressor having guide ring supporting and urging seal member
04/10/2012US8152499 Eccentric screw pump
04/05/2012WO2012043099A1 Scroll fluid machine
04/05/2012WO2012043018A1 Vane pump
04/05/2012WO2012043017A1 Vane pump
04/05/2012WO2012042894A1 Positive displacement compressor
04/05/2012WO2012042891A1 Screw compressor
04/05/2012WO2012042825A1 Rotary compressor
04/05/2012DE102010041939A1 Pumpengehäuse sowie Pumpe Pump housing and pump
04/04/2012EP2436929A1 Screw expander
04/04/2012EP2436928A1 Scroll compressor
04/04/2012EP2436877A2 Pump housing with ventilation duct and pump
04/04/2012EP2435708A2 Compressor having piston assembly
04/04/2012EP2435707A2 Compressor having capacity modulation or fluid injection systems
04/04/2012EP2435706A2 Microsystems for converting pressures and compression
04/04/2012EP2435705A2 Wheel
04/04/2012CN202182034U 一种低噪音罗茨鼓风机机壳 A low-noise blower housing
04/04/2012CN202182030U 用于涡旋压缩机的支架及涡旋压缩机 Stand for a scroll compressor and a scroll compressor
04/04/2012CN202182026U 双齿轮压缩机 Double gear compressors
04/04/2012CN102400916A Rotary type compressor
04/04/2012CN102400915A 涡旋压缩机 Scroll Compressor
04/04/2012CN101326370B 旋转式压缩机 Rotary compressor
04/03/2012US8147228 Progressing cavity pump/motor
03/2012
03/29/2012WO2012039109A1 Scroll type compressor
03/28/2012EP2434159A2 Scroll compressor with a check valve
03/28/2012EP2433007A2 Diagnostic system
03/28/2012EP1846640B1 Compressor slide valve lubrication
03/28/2012CN202176511U 旋转式压缩机的滑片、旋转式压缩机及空调器 Vane rotary compressor, rotary compressor and air conditioner
03/28/2012CN102395793A Screw-type vacuum pump
03/28/2012CN102395792A Roughing pump method for a positive displacement pump
03/28/2012CN102395759A Fluid machine and refrigeration cycle apparatus
03/28/2012CN102392820A Adverse-rotation-preventing scroll compressor with fixed eccentric disc
03/28/2012CN102392819A Oil return structure for scroll compressor
03/22/2012WO2012036141A1 Rotary compressor
03/22/2012WO2010142898A3 Lower portion for a compressor configured for receiving a fluid and for compressing same
03/22/2012US20120070326 Compression method and means
03/22/2012DE102010045881A1 Vakuumpumpe Vacuum pump
03/22/2012DE102010045880A1 Vakuumpumpe Vacuum pump
03/21/2012EP2431611A1 Inverter-integrated electric compressor
03/21/2012CN102384087A Screw compressor
03/21/2012CN102384086A Motor-driven compressor
03/21/2012CN102384085A Compressor having capacity modulation system
03/21/2012CN102384084A Scroll compressor
03/21/2012CN102384083A Scroll compressor
03/21/2012CN102384082A Scroll compressor
03/21/2012CN102383921A Rotor engine and rotor unit thereof
03/21/2012CN101765700B Displacement machine according to the spiral principle having two sides of support structures
03/21/2012CN101558218B System for sealing the piston of rotary piston machines
03/20/2012US8137754 Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom
03/20/2012US8136503 Piston valve internal combustion engine
03/15/2012WO2012032765A1 Compressor and refrigeration cycle device using same
03/15/2012DE102010044898A1 Vakuumpumpe mit Lüftungseinrichtung Vacuum pump with ventilation equipment
03/15/2012DE10151639B4 Kreiskolbenmotor in Trochoidenbauweise Rotary engine in Trochoidenbauweise
03/14/2012EP2428641A2 Variable capacity rotary compressor and air conditioning system having the same
03/14/2012CN202165271U 密封型残油回流结构内啮合齿轮泵 Gear pump inside the sealed structure residual reflux
03/14/2012CN202165269U 一种卧式涡旋压缩机 One kind of a horizontal scroll compressor
03/14/2012CN202165268U 蛇形轨道空压机 Serpentine track compressor
03/14/2012CN102374165A Variable capacity rotary compressor and air conditioning system having the same
03/14/2012CN101688538B Rotary compressor
03/13/2012US8133044 Positive displacement capture device and method of balancing positive displacement capture devices
03/13/2012CA2610060C Electric compressor
03/08/2012WO2012030741A2 Compressor with liquid injection cooling
03/08/2012WO2012028098A1 Scroll compressor
03/08/2012DE102011053144A1 Motorgetriebener Kompressor Motor-driven compressor
03/08/2012CA2809945A1 Compressor with liquid injection cooling
03/07/2012EP2426359A1 Scroll compressor
03/07/2012EP1886025B1 Vane-cell pump
03/07/2012CN202157962U 一种螺杆气体增压机 A screw gas turbocharger
03/07/2012CN202157961U 一种新型罗茨真空泵 A New Roots vacuum pump
03/07/2012CN202157960U 一种具有改良的欧丹连结器的压缩机 Having a modified connecting a compressor Autun
03/07/2012CN102367798A Vortex compressor with balancing and energy saving device
03/07/2012CN102367797A Oil-returning structure for scroll compressor
03/07/2012CN102367796A Horizontal scroll compressor main shaft rear-end sealing structure
03/07/2012CN102367795A Oil-returning structure of scroll compressor
03/07/2012CN101636588B Scroll compressor with compliant retainer
03/06/2012US8128388 Scroll-type expansion machine
03/01/2012WO2012026317A1 Oil-cooled gas compressor
03/01/2012WO2011036468A3 Vacuum pump shaft/rotor assembly
03/01/2012US20120051958 Compressor with liquid injection cooling
03/01/2012DE102010055798A1 Vakuumpumpe Vacuum pump
02/2012
02/29/2012EP2423508A2 capacity control for a screw compressor
02/29/2012CN202152734U 旋转式压缩机 Rotary compressor
02/29/2012CN202152730U Planetary rotation type compressor or pump
02/29/2012CN202152691U Star rotating type rotating device
02/29/2012CN102365462A Vane pump
02/29/2012CN102365461A 叶片泵 Vane pump
02/29/2012CN102364107A Rotary compressor with functions of injecting air and raising enthalpy
02/29/2012CN101705940B Rotary cylinder-type blower
02/23/2012WO2012023916A1 Rotary piston compressor
02/23/2012WO2012023692A1 Electromotive compressor for a vehicle
1 ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... 195