Featured patents

Power Transmission Device for Hybrid Vehicle
US 08840523 B2, Sept. 23, 2014, With clutch control, Shigeru Tajima / Honda Motor Co., Ltd (Tokyo, JP)
A power transmission device for a hybrid vehicle, including an internal…

Powerplant and a Method of Driving a Mechanical System via Said Powerplant
US 08845489 B2, Sept. 30, 2014, With countershaft gearing, Michel Vialle / Airbus Helicopters (Marignane Cedex, FR)
A powerplant provided with a drive shaft and at least one engine having an outlet…

System and Method for Controlling a Driveline in a Hybrid Vehicle
US 08777805 B2, July 15, 2014, With clutch control, Andreas E. Perakes et al. / Ford Global Technologies, LLC (Dearborn, US)
A hybrid vehicle being operable to change between a two-wheel drive mode…

Hybrid Hydraulic Drive System Architecture
US 08771138 B2, July 8, 2014, With clutch control, Brian L. Van Batavia et al. / Eaton Corporation (Cleveland, US)
A vehicle drivetrain, comprising:…

Method and Apparatus for Controlling Engine Operation in a Multi-Mode Powertrain System
US 08696514 B1, April 15, 2014, Electric engine, Anthony H. Heap et al. / GM Global Technology Operations LLC (Detroit, US)
A method for operating a powertrain system including a multi-mode transmission…

Transitioning Between Electric-Drive and Parallel-Drive in a Hybrid-Electric Vehicle Powertrain
US 08647231 B2, Feb. 11, 2014, With clutch control, Ihab S. Soliman et al. / Ford Global Technologies, LLC (Dearborn, US)
A method for operating a powertrain, comprising:…

Ratio Shift Control System and Method for a Multiple-Ratio Automatic Transmission
US 08529405 B2, Sept. 10, 2013, Electric valve control, Davorin David Hrovat et al. / Ford Global Technologies, LLC (Dearborn, US)
A multiple-ratio transmission wherein a powertrain source provides an input…

Transmission Scheduling for Multi-Stroke Engine
US 08517893 B2, Aug. 27, 2013, Transmission setting contingent, David Karl Bidner et al. / Ford Global Technologies, LLC (Dearborn, US)
A vehicle propulsion system, comprising:…

Hydraulic Control System for an Automatic Transmission Having a Manual Valve With a Two Gear Default Strategy
US 08500600 B2, Aug. 6, 2013, Plural shift valves, Steven P. Moorman / GM Global Technology Operations LLC (Detroit, US)
A hydraulic control system for a transmission, the transmission having…

Method for Operating a Vehicle Drive Train
US 08460156 B2, June 11, 2013, Engine controlled by transmission, Valentine Herbeth et al. / ZF Friedrichshafen AG (Friedrichshafen, DE)
A method of operating a vehicle drive train (1) with a drive machine (2)…

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