Featured patents

Lubrication of a Scroll Compressor
US 08834139 B2, Sept. 16, 2014, With lubricant, liquid seal or nonworking fluid separation, Yoshifumi Abe et al. / Panasonic Corporation (Osaka, JP)
A scroll compressor, comprising:…

Pump or Motor for Liquid or Gaseous Media Having an Increased Diameter Shaft Toward a Slanted Sliding Plane
US 08821142 B2, Sept. 2, 2014, Non-parallel axis, Evgenij Skrynski et al. / Robert Bosch GmbH (Stuttgart, DE)
A pump or motor for liquid or gaseous media, comprising:…

Multi-Stage Scroll Machine
US 08864479 B2, Oct. 21, 2014, Helical working member, e.g., scroll, Stephane Watts et al. / Danfoss Commercial Compressors (Reyrieux, FR)
A multi-stage scroll machine intended to compress and/or expand a fluid,…

Scroll Compressor Including Seal Member and Guide Ring
US 08740594 B2, June 3, 2014, With biasing means, e.g., axial or radial, Satoshi Nakamura et al. / Hitachi Appliances, Inc. (Tokyo, JP)
A scroll compressor comprising a compression mechanism including a fixed scroll…

Open Drive Scroll Compressor With Lubrication System
US 08747088 B2, June 10, 2014, With lubricant, liquid seal or nonworking fluid separation, Jeffrey L. Berning et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Pre-Pressurization Pump Liner for Vane Pump
US 08668480 B2, March 11, 2014, Working Chamber Surface Expressed Mathematically, David W. Borgetti et al. / Hamilton Sundstrand Corporation (Windsor Locks, US)
A vane pump comprising:…

Vane Compressor
US 08602760 B2, Dec. 10, 2013, Positively Actuated Vane, Shin Sekiya et al. / Mitsubishi Electric Corporation (Chiyoda-Ku, Tokyo, JP)
A vane compressor comprising:…

Progressing Cavity Pump Adapted for Pumping of Compressible Fluids
US 08556603 B2, Oct. 15, 2013, Unlike Helical Surfaces on Relatively Wobbling Rotating Member and Encompassing Cylinder, Sigurd Ree / AGR Subsea AS (Straume, NO)
A progressing cavity pump adapted for pumping of a compressible fluid,…

Rotary Engine Vane Apparatus and Method of Operation Therefor
US 08517705 B2, Aug. 27, 2013, By axially relatively moving vane or abutment sections, Merton W. Pekrul
A rotary apparatus, comprising:…

Scroll Compressor Having Through Holes With a Set Depth
US 08475148 B2, July 2, 2013, Helical working member, e.g., scroll, Kazuyoshi Sugimoto et al. / SANYO Electric Co., Ltd. (Moriguchi, Osaka, JP)
A scroll compressor comprising a sealed container in which a scroll compression…

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