Featured patents

Gapless Planetary Transmission
US 08840512 B2, Sept. 23, 2014, Internal and external tooth sets, Wencui Yi et al. / University of Chongqing (Chongqing, CN)
A backlash-free planetary transmission device, comprising:…

Drive Unit for Electric Bicycle
US 08795120 B2, Aug. 5, 2014, Electric or Magnetic Drive or Control, Il Yong Kim / Mando Corporation (Pyeongtaek-Si, Gyeonggi-Do, KR)
A drive unit for an electric bicycle, the drive unit comprising:…

Forced Speed Changing Apparatus of Bicycle
US 08727930 B2, May 20, 2014, Including one-way clutch or brake, Hyuk Yoo et al. / MBI Co., Ltd. (Cheongju, KR)
A forced speed changing apparatus of a bicycle, comprising:…

Speed Change Mechanism
US 08622865 B2, Jan. 7, 2014, Plural power paths, Hsin Yang Su / Sun Race Sturmey-Archer, Inc. (Hai-Hu Village, Lu-Ju, Taoyuan County, TW)
A speed change mechanism, comprising:…

Double-Flywheel Damper With Epicyclic Gear Train
US 08608613 B2, Dec. 17, 2013, Resilient member, Patrick Le Moal / Valeo Embrayages (Amiens Cedex 2, FR)
A double-flywheel damper, comprising:…

Transmission Hydraulic Control System Having Clutch Compensator Feed Override
US 08613681 B2, Dec. 24, 2013, Pressure regulation, Brian W. Whitmarsh et al. / GM Global Technology Operations LLC (Detroit, US)
A hydraulic control system in a transmission, the transmission having a torque…

Coupling System for a Star Gear Train in a Gas Turbine Engine
US 08585539 B2, Nov. 19, 2013, Floating or flexible coupling or support, William G. Sheridan et al. / United Technologies Corporation (Hartford, US)
A star gear train having:…

Force Limiting Device for a Motor Vehicle
US 08529398 B2, Sept. 10, 2013, Planetary Gearing or Element, Ronald Jabusch / Autoliv Development AB (Värgäda, SE)
A load limiting mechanism for a motor vehicle comprising a first part…

Superposition Transmission
US 08469850 B2, June 25, 2013, Fluid pump and motor in one of plural paths to or from planetary gearing, Dieter Stoeckl et al.
A superposition transmission for use in vehicles and work machines having wheels…

Coaxial Transmission
US 08480528 B2, July 9, 2013, Planet Periphery Surrounds Axis of Interacting Gear, Thomas Wilhelm et al. / Wittenstein AG (Igersheim, DE)
A coaxial transmission comprising a driving element and a driven element,…

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