Featured patents

Screw Compressor With Adjacent Helical Grooves Selectively Opening to First and Second Ports
US 08845311 B2, Sept. 30, 2014, Non-parallel axis, Nozomi Gotou et al. / Daikin Industries, Ltd. (Osaka, JP)
A screw compressor comprising:…

Rotary-Type 2-Stage Compressor
US 08807973 B2, Aug. 19, 2014, Sliding abutment, Seungjun Lee et al. / LG Electronics Inc. (Seoul, KR)
A 2-stage rotary compressor, comprising:…

Rotary Cam Ring Fluid Machine
US 08784084 B2, July 22, 2014, Between adjacent cylinder and working member sides, KwangSeon Hwang et al. / RichStone Limited (Jeonju, KR)
A rotary cam ring fluid machine comprising:…

Compressor Having Output Adjustment Assembly
US 08790098 B2, July 29, 2014, With biasing means, e.g., axial or radial, Michael M. Perevozchikov et al. / Emerson Climate Technologies, Inc. (Sidney, US)
A compressor comprising:…

Rotary Pump or Motor With Orbital Piston Aspiration
US 08794945 B2, Aug. 5, 2014, Supply and exhaust passages in working member, Fritz Forgy et al.
A rotary component, comprising:…

Stator of a Gerotor Device and a Method for Manufacturing Roller Pockets in a Stator of a Gerotor Device
US 08678795 B2, March 25, 2014, Methods, Hollis N. White, Jr. / White Drive Products, Inc. (Hopkinsville, US)
A method for manufacturing roller pockets in a stator of a gerotor device,…

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:…

Cylinder Dividing Mechanism of a Pneumatic Tool
US 08647084 B2, Feb. 11, 2014, With Plural Working Fluid Inlet or Outlet Passages, Ching-Shun Chang / Sing Hua Industrial Co., Ltd. (Da'an Township, Taichung County, TW)
A cylinder dividing mechanism of a pneumatic tool, which is accommodated…

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,…

Screw Compressor Having a Gate Rotor Assembly With Pressure Introduction Channels
US 08523548 B2, Sept. 3, 2013, Non-parallel axis, Mohammod Anwar Hossain et al. / Daikin Industries, Ltd. (Osaka, JP)
A single-screw compressor comprising:…

Patentorg has 264 documents under Rotary Expansible Chamber Devices Patents.

Narrow down the browsing criteria below to see more patents.

Select a subcategory
Quick navigation
New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot