Featured patents

Microsystems for Converting Pressures and Compression
US 08764422 B2, July 1, 2014, With specific rotation preventing or rotation coupling means, Thierry Hilt / Commissariat a l'energie atomique et aux energies alternatives (Paris, FR)
An apparatus for converting a difference in pressures into a mechanical movement,…

Drive System Having a Variable Output Gerotor Pump
US 08708676 B1, April 29, 2014, Inner member has five or more teeth, Nathan W. Bonny / Hydro-Gear Limited Partnership (Sullivan, US)
A variable output gerotor assembly comprising:…

Compressor and Manufacturing Method Thereof
US 08690558 B2, April 8, 2014, Specific Material, Mikio Kajiwara et al. / Daikin Industries, Ltd. (Osaka, JP)
A compressor comprising:…

Scroll Compressor Bodies With Scroll Tip Seals and Extended Thrust Region
US 08641392 B2, Feb. 4, 2014, With mechanical sealing, James W. Bush / Bitzer Kuehlmaschinenbau GmbH (Sindelfingen, DE)
A scroll compressor for compressing fluid, comprising:…

Dual Rotor Pump
US 08647089 B2, Feb. 11, 2014, Interengaging Rotating Members, Edward L. Simonds
A pump comprising: a pump…

Rotary Engine Valving Apparatus and Method of Operation Therefor
US 08647088 B2, Feb. 11, 2014, Seal element between working member and vane, Merton W. Pekrul
A rotary apparatus, comprising:…

Multiple Stage Dry Pump
US 08573956 B2, Nov. 5, 2013, With heat exchange means for non-working fluid, Toshio Suzuki / Ulvac, Inc. (Chigasaki-Shi, JP)
A dry pump comprising:…

Geared Hydraulic Apparatus
US 08556609 B2, Oct. 15, 2013, Trapped Fluid Relief, Mario Antonio Morselli / (Modena, IT)
An improved geared hydraulic apparatus, comprising a pair of meshing gearwheels,…

Compressor Having Capacity Modulation System
US 08529232 B2, Sept. 10, 2013, Helical working member, e.g., scroll, Robert C. Stover et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A 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,…

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