Featured patents

Co-Axial Crankless Engine
US 08863643 B2, Oct. 21, 2014, Cylinders contain plural oppositely movable pistons, Darren Powell
A co-axial crankless engine having:…

Reciprocating Compressor
US 08770088 B2, July 8, 2014, By varying reaction plate inclination relative to cylinder axes, Hiroshi Ikeda et al. / Sanden Corporation (Gunma, JP)
A reciprocating compressor comprising:…

Hood-Lifting Actuator With Disarmable Return Braking Arrangement
US 08739678 B2, June 3, 2014, Reversal responsive to motive fluid pressure change, Evrard Borg et al. / Herakles (Le Haillan, FR)
A triggered stroke actuator of the type comprising a cylinder housing a movable…

Apparatus to Eliminate Back Drive in Push Pull System of Rotor Aircraft and Related Methods
US 08739679 B2, June 3, 2014, With means to vary feedback signal in response to rate of working member movement, M. Keith Robinson et al. / Carter Aviation Technologies, LLC (Wichita Falls, US)
An apparatus for eliminating back drive in a push pull type control system,…

Floating Piston Actuator for Operation With Multiple Hydraulic Systems
US 08677885 B2, March 25, 2014, Stand-by means utilizes an auxiliary motive fluid source for another working member to drive same load, Rhett Henrickson et al. / Woodward HRT, Inc. (Santa Clarita, US)
A hydraulic actuator, comprising:…

Fluid Driven Reciprocating Linear Motor
US 08671822 B2, March 18, 2014, Distributor actuator between space piston faces, Adam Depiak et al. / Depiak Industrial Technology Corporation (Calgary, CA)
A motor for providing powered reciprocating linear drive motion using…

Apparatus to Increase a Force of an Actuator Having an Override Apparatus
US 08549984 B2, Oct. 8, 2013, Electrically operated (275) (361), David Anthony Arnold / Fisher Controls International, LLC (Marshalltown, US)
A fluid control system for use with valves, comprising:…

Hydraulic System for Construction Equipment Having Float Function
US 08544378 B2, Oct. 1, 2013, Independent control of bypass between opposed working chambers, Jin Wook Kim / Volvo Construction Equipment Holding Sweden AB (Eskilstuna, SE)
A hydraulic system for construction equipment having a float function,…

Travel Limiting Element in a Brake Servo Device and Brake Servo Device
US 08505435 B2, Aug. 13, 2013, And transverse valve key, Michael Possmann et al. / Lucas Automotive GmbH (Koblenz, DE)
Travel limiting element in a brake booster device for a motor vehicle brake…

Electro-Mechanical Control System for Positioning Fluid Motors
US 08468931 B2, June 25, 2013, Cable, James B. Johnson
A fluid motor control system comprising:…

Patentorg has 69 documents under Motors: Expansible Chamber Type 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