| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 09/28/2011 | CN102200127A Low-noise roots blower |
| 09/28/2011 | CN102200126A Horizontal-type vortex compressor |
| 09/28/2011 | CN101799012B Electric rolling piston-type automobile air-conditioning compressor |
| 09/28/2011 | CN101573538B Method of positioning fixed scroll |
| 09/27/2011 | US8024942 Method and apparatus for highly efficient compact vapor compression cooling |
| 09/22/2011 | WO2011114750A1 Rotary compressor |
| 09/22/2011 | WO2011114637A1 Single screw compressor |
| 09/22/2011 | WO2011114636A1 Single screw compressor |
| 09/22/2011 | DE10215207B4 Motorgetriebener Kompressor und Verfahren zum Zusammenbau eines motorgetriebenen Kompressors Motor-driven compressor and method for assembling a motor-driven compressor |
| 09/22/2011 | DE102010011856A1 Arrangement for e.g. roots vacuum pump to create vacuum, has axially mounted control and working cylinders arranged tangentially to each other, where outer surfaces of cylinders pass each other |
| 09/21/2011 | EP2366903A1 Gas compressor |
| 09/21/2011 | CN201982298U 自润滑滑片回转式空气压缩机 Self-lubricating sliding vane rotary air compressor |
| 09/21/2011 | CN201982297U 罗茨鼓风机墙板 Roots blower wallboard |
| 09/21/2011 | CN201982296U 罗茨鼓风机机壳 Roots blower housing |
| 09/21/2011 | CN201982295U 涡旋压缩机 Scroll Compressor |
| 09/21/2011 | CN102197224A Screw compressor |
| 09/21/2011 | CN102197223A 涡旋压缩机 Scroll Compressor |
| 09/21/2011 | CN102195381A Motor, fabrication method therefore and compression engine |
| 09/21/2011 | CN102192151A Inner cooled type vacuum pump |
| 09/21/2011 | CN102192149A 旋转式压缩机 Rotary compressor |
| 09/21/2011 | CN102192148A Turbo compressor and turbo refrigerator |
| 09/21/2011 | CN102192147A Turbo compressor and turbo refrigerator |
| 09/21/2011 | CN102192146A Turbo compressor and turbo refrigerator |
| 09/21/2011 | CN102192145A Vortex type fluid machine and assembling method thereof |
| 09/21/2011 | CN102192144A Sealed compressor and assembling method thereof |
| 09/21/2011 | CN101449061B Scroll compressor |
| 09/20/2011 | US8021134 Compressor slide valve support |
| 09/15/2011 | WO2011110019A1 Rotary compressor |
| 09/15/2011 | WO2011049363A3 Screw rotor type vacuum pump |
| 09/15/2011 | WO2011018642A3 Scroll pump |
| 09/15/2011 | WO2011001100A3 Multi-stage scroll machine |
| 09/15/2011 | WO2010145634A3 Oil pressure control valve for a vacuum pump |
| 09/14/2011 | EP2122176B1 Vacuum pump |
| 09/14/2011 | EP1534958B1 Discharge portion for screw compressor with tangential flow guide cusp |
| 09/14/2011 | CN201972927U Thrust plate for horizontal vortex compressor and horizontal vortex compressor |
| 09/14/2011 | CN201972925U 螺杆空压机管路减震补偿器 Screw compressor piping damping compensator |
| 09/14/2011 | CN201972924U 一种体内水冷却罗茨鼓风机 An in vivo water cooling blower |
| 09/14/2011 | CN201972923U 涡旋机 The scroll machine |
| 09/14/2011 | CN201972738U Star-spin rotating device with double sun wheels, engine and fluid machinery |
| 09/14/2011 | CN201972737U 星旋式转动装置、发动机、气动马达及压缩机 Star rotating rotating device, engine, air motors and compressors |
| 09/14/2011 | CN102187098A Vane pump with variable discharge volume |
| 09/14/2011 | CN102182687A Sliding pressure ring type gas compressor |
| 09/14/2011 | CN102182686A Single screw compressor with double elliptic generating surfaces and secondary enveloping line |
| 09/14/2011 | CN101605994B Compressor with integral oil separator |
| 09/14/2011 | CN101440798B Movable barrel type rotary plunger oil well pump |
| 09/14/2011 | CN101280781B Compressor inlet duct |
| 09/13/2011 | US8016577 Vane pump with vane biasing means |
| 09/08/2011 | DE102010009822A1 Spiral compressor for conveying and compressing liquid and gaseous material, has eccentrically mounted shaft with spiral-shaped arms for compressing and conveying material within rotor |
| 09/08/2011 | DE102010002649A1 Schraubenverdichter Screw compressor |
| 09/07/2011 | CN201963551U 一种涡旋式汽车空调压缩机的滑动耐磨片 A sliding abrasion resistant sheet scroll automobile air conditioning compressor |
| 09/07/2011 | CN201963546U 恒力矩压缩机和气体发动机球形缸 Constant torque compressors and gas engines spherical tank |
| 09/07/2011 | CN201963545U 单螺杆压缩机 Single screw compressor |
| 09/07/2011 | CN201963544U 对称式涡旋式压缩机主机 Symmetrical scroll compressor Host |
| 09/07/2011 | CN102177345A Oil separator built-in compressor |
| 09/07/2011 | CN102177344A Scroll compressor with internal oil separator |
| 09/07/2011 | CN101776078B Totally-enclosed type refrigeration compressor and rotor compressor unit thereof |
| 09/07/2011 | CN101680450B Compressor, and refrigerating apparatus |
| 09/07/2011 | CN101395377B Sliding component of compressor, sliding component base, scroll component, and compressor |
| 09/07/2011 | CN101205908B Bearing arrangement of scroll compressor |
| 09/07/2011 | CN101061318B Magnetic trap for ferrous contaminants in lubricant |
| 09/06/2011 | US8011910 Low noise gear set for gear pump |
| 09/01/2011 | WO2011106422A2 Compressor including valve assembly |
| 09/01/2011 | WO2011105085A1 Rotary compressor |
| 09/01/2011 | WO2011104910A1 Electric compressor, and method for assembling same |
| 09/01/2011 | WO2011104879A1 Scroll compressor |
| 09/01/2011 | WO2011104876A1 Scroll compressor |
| 09/01/2011 | WO2010136470A3 Wheel |
| 08/31/2011 | EP2361352A2 Scroll-type fluid displacement apparatus with improved cooling system |
| 08/31/2011 | CN201953659U Rotary compressor |
| 08/31/2011 | CN201953658U Gaseous refrigerant spraying type rotor compressor |
| 08/31/2011 | CN201953657U 旋转式压缩机 Rotary compressor |
| 08/31/2011 | CN201953656U 动盘端面带有润滑油槽的圈销结构式涡旋式压缩机 Circle pin structural formula scroll compressor lubricants with the end face of the movable tray slot |
| 08/31/2011 | CN201953655U 涡旋压缩机 Scroll Compressor |
| 08/31/2011 | CN102168673A Sealing method and structure at back end of spindle of horizontal scroll compressor |
| 08/31/2011 | CN101806301B Scroll compressor |
| 08/31/2011 | CN101779041B Single-screw compressor |
| 08/31/2011 | CN101639069B Vane type compressor |
| 08/31/2011 | CN101608619B Spiral anti-clawed vacuum pump |
| 08/30/2011 | US8007262 Compressor with thrust bearing having insular pressure- receiving portions on sliding surface and diamond-like carbon layer on another sliding surface |
| 08/30/2011 | US8007260 Scroll fluid machine having a coupling mechanism to allow relative orbiting movement of scrolls |
| 08/30/2011 | US8007259 Stator system |
| 08/25/2011 | WO2011102413A1 Rotary compressor and refrigeration cycle device |
| 08/25/2011 | WO2011101064A2 Drive for a spindle compressor |
| 08/25/2011 | US20110206550 Vane for a single-vane vacuum pump |
| 08/24/2011 | EP2359006A2 Screw compressor |
| 08/24/2011 | EP2358976A2 Scroll compressor |
| 08/24/2011 | CN201943960U 汽车空调涡旋压缩机油路结构 Automotive air conditioning scroll compressor oil passage structure |
| 08/24/2011 | CN201943959U 高效的汽车空调涡旋压缩机油分离结构 Efficient automotive air conditioning scroll compressor oil separator structure |
| 08/24/2011 | CN201943953U 带有启动卸载和输气量调节的滚动转子压缩机 Start unloading and gas transmission capacity with adjustable scroll compressor rotor |
| 08/24/2011 | CN201943952U 罗茨鼓风机的传动结构 Transmission structure Roots Blower |
| 08/24/2011 | CN201943951U 汽车空调涡旋压缩机径向补偿装置 Automotive air conditioning scroll compressor radial compensation device |
| 08/24/2011 | CN201943950U 高速下轴向泄压从而实现节能的涡旋压缩机 High-speed axial relief in order to achieve energy-efficient scroll compressor |
| 08/24/2011 | CN201943949U 涡旋压缩机 Scroll Compressor |
| 08/24/2011 | CN102165197A 螺旋压缩机 Screw compressor |
| 08/24/2011 | CN102165196A Scroll compressor |
| 08/24/2011 | CN102162446A Vane rotary type fluid device and compressor |
| 08/24/2011 | CN101749235B Scroll compressor with floating disc |
| 08/24/2011 | CN101655091B Rotary compressor |
| 08/24/2011 | CN101421518B Improved vacuum pump |
| 08/23/2011 | US8002529 Scroll compressor with extended profile |