Featured patents

Variator Switching Valve Scheme for a Torroidal Traction Drive Transmision
US 08840522 B2, Sept. 23, 2014, Of toroidal transmission, Charles F. Long et al. / Allison Transmission, Inc. (Indianapolis, US)
An apparatus for controlling a variator having at least one roller between…

Continuously Variable Transmission
US 08852050 B2, Oct. 7, 2014, Toroidal, Fernand A Thomassy / Fallbrook Intellectual Property Company LLC (Cedar Park, US)
A method of supporting a plurality of spherical traction planets…

Continuously Variable Transmission
US 08784260 B2, July 22, 2014, With condition responsive means to vary contact pressure, Takahiro Shiina et al. / Toyota Jidosha Kabushiki Kaisha (Toyota, JP)
A continuously variable transmission comprising:…

Infinitely Variable Transmissions, Continuously Variable Transmissions, Methods, Assemblies, Subassemblies, and Components Therefor
US 08790214 B2, July 29, 2014, Variable ratio, Charles B. Lohr et al. / Fallbrook Intellectual Property Company LLC (Cedar Park, US)
A variator for an infinitely variable transmission (IVT), the variator…

Variator Assembly
US 08858389 B2, Oct. 14, 2014, Toroidal, Philip C. Lundberg et al. / GM Global Technology Operations, LLC (Detroit, US)
A transmission comprising:…

Drive Mechanism for Infinitely Variable Transmission
US 08771133 B2, July 8, 2014, With condition responsive means to vary contact pressure, Christopher J. Greenwood et al. / Torotrak (Development) Limited (Lancashire, GB
A variator transmission comprising:…

Friction Wheel Drive
US 08771134 B2, July 8, 2014, Condition Responsive Means to Vary Contact Pressure, Heino Heitplatz / Beumer GmbH & Co. KG (Beckum, DE)
A friction wheel drive comprising:…

Hydraulic Variator Control Arrangement
US 08641576 B2, Feb. 4, 2014, Of toroidal transmission, John Fuller / Torotrak (Development) Limited (Leyland, Lancashire, GB
A hydraulic control arrangement for a variator having a pair of races, at least…

Roller Frictional Transmission Unit
US 08579757 B2, Nov. 12, 2013, Friction Transmission or Element, Tetsu Takaishi et al. / Nissan Motor Co., Ltd. (Yokohama-shi, JP)
A roller frictional transmission unit comprising:…

Omni-Wheel Based Driving Device With Enhanced Main Wheel Structure
US 08485938 B2, July 16, 2013, Friction Gear Is Ball, Chi-Kuang Hwang et al. / Chung Hua University (Hsinchu, TW)
An omni-wheel based driving mechanism, comprising:…

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