Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516)
03/2015
03/03/2015US8967986 Scroll fluid machine having seal member with plural linear cut arrangement
02/2015
02/26/2015WO2015026850A1 Miniature high pressure pump and electrical hydraulic actuation system
02/25/2015EP2839161A1 Floating scroll seal with retaining ring
02/24/2015US8961161 Fluid machine provided with hermetic container that is subjected to pressure of working fluid
02/24/2015US8961160 Scroll pump having separable orbiting plate scroll and method of replacing tip seal
02/24/2015US8961158 Scroll compressor including intermittent back pressure chamber communication
02/19/2015US20150050175 Scroll compressor, and sealing method and sealing arrangement for mid-pressure chamber thereof
02/17/2015US8956131 Scroll compressor
02/11/2015CN102483063B 干式真空泵 Dry vacuum pump
02/05/2015WO2015013849A1 Wear compensation device for pump end face wear plate
02/05/2015US20150037191 Axially Compliant Orbiting Plate Scroll and Scroll Pump Comprising the Same
02/04/2015CN204140391U 带组合型密封装置的罗茨风机 Combined with a Roots blower sealing device
02/03/2015US8945265 Compressor
02/03/2015US8944790 Compressor with cyclone and internal oil reservoir
02/03/2015US8944778 Liquid ring pump and method for operating a liquid ring pump
01/2015
01/28/2015CN104321536A 具有保持环的浮式涡旋密封件 Scroll having a floating seal retaining ring
01/28/2015CN104314809A 具有容量调制组件的压缩机 Has the capacity modulation compressor components
01/21/2015CN204113655U 一种罗茨风机自循环机械密封件 One kind of self-circulation blower mechanical seals
01/21/2015CN204113654U 无油静音压缩机 Oil-free compressors Silent
01/21/2015CN204113649U 一种轴向柔性密封结构涡旋式压缩机 An axially flexible sealing structure scroll compressor
01/21/2015CN104295493A 一种轴向柔性密封结构涡旋式压缩机 An axially flexible sealing structure scroll compressor
01/20/2015US8936450 Roots fluid machine with reduced gas leakage
01/15/2015WO2015003539A1 Interference designed shaft rubber seal provided with fixing rings and arrangement of helical teeth
01/14/2015EP2824329A2 Scroll compressor
01/14/2015CN204099202U 用于涡旋压缩机的密封组件及包括密封组件的涡旋压缩机 A seal assembly for a scroll compressor and a scroll compressor including a seal assembly
01/14/2015CN204099199U 螺杆压缩机及空调器 Screw compressors and air conditioners
01/13/2015US8932036 Compressor seal assembly
12/2014
12/31/2014CN204061176U 一种罗茨真空泵 One kind of Roots vacuum pump
12/31/2014CN204060911U 一种用于发动机的增压系统 A method for engine supercharging system
12/24/2014CN204041454U 涡旋压缩机 Scroll Compressor
12/18/2014US20140369880 Compressor
12/18/2014US20140369819 Method for manufacturing anti-rotation ring of scroll type compressor and anti-rotation mechanism of the scroll type compressor
12/17/2014CN204025060U 一种改进油冷却系统的空气压缩机 An improved oil cooling system of an air compressor
12/17/2014CN204025048U 一种旋转式空压机 A rotary compressor
12/17/2014CN204025045U 动盘和静盘可径向密封的涡旋空气压缩机 Dynamic disk and static radial seal plate can scroll air compressor
12/17/2014CN102644601B 新型立式无油泵 No new vertical pumps
12/10/2014CN204003466U 密封水供应装置 Seal water supply system
12/10/2014CN204003465U 螺杆压缩机 Screw compressors
12/10/2014CN204003450U 一种具有组合密封结构的罗茨鼓风机 Roots blower sealing structure having a combination of
12/10/2014CN204003449U 涡旋干式真空泵及真空系统 Dry scroll vacuum pumps and vacuum systems
11/2014
11/27/2014US20140345451 Method And Device For Fixing And Synchronising Rotary Pistons In A Rotary Piston Pump
11/25/2014US8894395 Compressor
11/18/2014US8888475 Scroll compressor with oil supply across a sealing part
11/11/2014US8882482 Compressor
10/2014
10/21/2014US8864479 Multi-stage scroll machine
10/14/2014US8858205 Compressor having an inlet port formed to overlap with a roller and a cylinder-type rotor for compressing a refrigerant
10/14/2014US8858204 Dry vacuum pump having multiple lubricant reservoirs
10/09/2014WO2014164830A1 Supercharger
10/09/2014WO2014163757A1 Pump seal with thermal retracting actuator
10/02/2014US20140294640 Scroll Pump Having Separable Orbiting Plate Scroll and Method of Replacing Tip Seal
09/2014
09/30/2014US8845311 Screw compressor with adjacent helical grooves selectively opening to first and second ports
09/25/2014US20140286806 Multi-stage vacuum pump
09/24/2014EP2781755A1 Scroll compressor with back pressure chamber
09/24/2014EP2781754A1 Scroll compressor with a bypass
09/24/2014EP2781753A1 Scroll compressor with back pressure discharge
09/24/2014EP2781752A1 Scroll compressor having a scroll support and/or movement limiter
09/18/2014WO2014144617A1 Shaft seal for an open-drive compressor
09/18/2014WO2014138870A1 Oval chamber vane pump
09/18/2014US20140271316 Reducing flow communication between chambers of guided-vane rotary apparatus
09/17/2014EP2776717A1 Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same
09/17/2014EP2776716A1 High pressure seal vent
09/16/2014US8834139 Lubrication of a scroll compressor
09/04/2014US20140248172 Scroll compressor
08/2014
08/27/2014EP2770212A1 Rotary compressor having two cylinders
08/21/2014US20140234149 Scroll compressor
08/13/2014EP2764250A2 Pump fittings and methods for their manufacture
08/13/2014CN203770132U 微型封闭式三角转子压缩机 Miniature enclosed triangular rotor compressor
08/13/2014CN103987968A 用于旋转设备中的转子机构的带和支撑件以及包括其的旋转设备 Apparatus for rotating the rotor body and the support member with the rotating equipment, and including
08/12/2014US8801410 Coupling shaft for gear pump
08/06/2014CN203756530U 罗茨鼓风机转子与机壳内壁的密封结构 Roots blower rotor seal structure and the inner wall of the housing
08/06/2014CN203756529U 滚动转子式压缩机构及包括该机构的压缩机 Rolling piston compression mechanism and include the agency's compressor
08/06/2014CN203756528U 爪形干式真空泵的双向同步螺旋组合式密封结构 Two-way synchronization seal combined helical structure claw dry vacuum pump
08/06/2014CN103967787A 转动装置及应用其的转子式压缩机和流体马达 Turn the device and the application of its rotor compressors and fluid motor
08/06/2014CN103967781A 一种新型齿轮泵 A new gear pump
07/2014
07/30/2014CN203742990U 罗茨鼓风机转子端面密封结构 Roots blower rotor seal structure
07/30/2014CN203742985U 无油干式螺杆空气压缩机 Oil-free dry screw air compressor
07/30/2014CN101952549B 涡旋压缩机和用于涡旋压缩机的挡板 Scroll compressors and scroll compressors for baffle
07/24/2014DE10104621B4 Axialfeldabdichtung einer Zahnradmaschine Axialfeldabdichtung a gear machine
07/23/2014CN103939353A 一种降低噪音的罗茨真空泵 A method of reducing the noise of Roots vacuum pumps
07/23/2014CN103939338A 涡旋压缩机 Scroll Compressor
07/17/2014US20140199199 Gas Pump With Pressure Relief for Reducing the Starting Torque
07/17/2014DE102011005464B4 Vorrichtung zur Erzeugung eines Unterdrucks Device for generating a negative pressure
07/03/2014WO2014103974A1 Gas compressor
07/02/2014CN103899539A 一种具备自循环油密封系统的罗茨真空泵 One kind with self-circulating oil Roots vacuum sealing system
06/2014
06/26/2014US20140178219 Electric pump
06/25/2014EP2746585A1 Vacuum system
06/25/2014CN203670216U 回转式压缩机 Rotary Compressor
06/19/2014US20140170009 Scroll Liquid Pump
06/18/2014EP2743506A2 Gas pump with a sealing oil groove
06/18/2014DE102012112492A1 Vakuumsystem Vacuum system
06/18/2014CN203655641U 一种水蒸汽螺杆压缩机轴封结构 A water vapor screw compressor shaft seal structure
06/18/2014CN103867442A Gas Pump With A Sealing Oil Groove
06/12/2014US20140161645 Gas Pump With A Sealing Oil Groove
06/12/2014US20140159313 Automatic compensation mechanism for hinge seal gap in spherical compressor
06/12/2014DE102012222753A1 Gaspumpe mit abdichtender Ölnut Gas pump with sealing oil groove
06/11/2014CN203641007U 一种罗茨泵端盖壳体与泵腔之间的轴密封装置 A shaft seal between the housing and the pump chamber Roots pump cover
06/11/2014CN103850936A Scroll Liquid Pump
06/10/2014US8747091 Water injection type screw compressor
06/04/2014CN103835947A Closed triangle rotor micro-compressor
05/2014
05/28/2014CN103821713A 螺杆压缩机和油路循环系统及空调机组 Screw compressor and oil circulation systems and air conditioning units
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