Featured patents

Scroll-Rotation Prevention Assembly of Scroll Compressor
US 08814545 B2, Aug. 26, 2014, With specific rotation preventing or rotation coupling means, Chung-Hung Yeh et al. / Fu Sheng Industrial Co., Ltd. (Taipei, TW)
A scroll-rotation prevention assembly of a scroll compressor, including:…

Seal Retaining Sleeve for Gear Pump
US 08814547 B2, Aug. 26, 2014, With sealing means, Timothy P. Walgren et al. / Hamilton Sundstrand Corporation (Windsor Locks, US)
A shaft assembly comprising:…

Rotary Engine Vane Conduits Apparatus and Method of Operation Therefor
US 08794943 B2, Aug. 5, 2014, Mounted on working member, Merton W. Pekrul
A rotary apparatus, comprising:…

Coupling Shaft for Gear Pump
US 08801410 B2, Aug. 12, 2014, Shaft or Trunnion Lubrication or Sealing by Diverted Working Fluid Portion, Satish Shantilal Shah et al. / Hamilton Sundstrand Corporation (Windsor Locks, US)
A gear pump comprising:…

Refrigerant Compressor
US 08753098 B2, June 17, 2014, Heat Exchange or Non-Working Fluid Lubricating or Sealing, Taro Kato et al. / Mitsubishi Electric Corporation (Tokyo, JP)
A refrigerant compressor comprising:…

Rotor Type Pump
US 08684713 B2, April 1, 2014, Seal element between working member and cylinder, Pang-Chian Lio
A rotor type pump, comprising:…

Pump With Conveying Chamber Formed in Outer Rotor Surface
US RE044841 E1, April 15, 2014, Seal on cylinder engaging rotary member separates inlet and outlet ports, Christopher E. Nightingale et al. / Quantex Patents Limited (London, GB)
A pump comprising:…

Screw Compressor Having Slide Valve With Inclined End Face
US 08562319 B2, Oct. 22, 2013, Non-parallel axis, Hideyuki Gotou et al. / Daikin Industries, Ltd. (Osaka, JP)
A screw compressor comprising:…

Regulatable Vane-Cell Pump With a Sealing Web Curving in an Arc
US 08545199 B2, Oct. 1, 2013, Spring or fluid biased movable member, Helmut Pamminger et al. / MIBA Sinter Holding GmbH & Co KG (Laakirchen, AT)
Vane pump, in particular a regulatable oil pump for a lubricating system,…

Valveless Vane Compressor
US 08454335 B2, June 4, 2013, Positively Actuated Vane, Charles Shepard / Hamilton Sundstrand Corporation (Windsor Locks, US)
A vane compressor comprising:…

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