Vehicle drive and method with electromechanical variable transmission

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9821789
SERIAL NO

15186391

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Importance

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Abstract

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A vehicle drive includes a gear set, a first motor/generator coupled to a sun gear of the gear set, a second motor/generator selectively coupled to at least one of (a) a planetary gear carrier of the gear set and (b) a ring gear of the gear set, an engine coupled to the ring gear of the gear set and selectively coupled to the second motor/generator, and a clutch configured to selectively engage the second motor/generator to the engine. The first motor/generator and the second motor/generator are electrically coupled without an energy storage device configured to at least one of (a) provide electrical energy to the first motor/generator or the second motor/generator to power the first motor/generator or the second motor/generator and (b) be charged by electrical energy from the first motor/generator or the second motor/generator.

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Patent Owner(s)

Patent OwnerAddress
OSHKOSH DEFENSE LLC2307 OREGON STREET P O BOX 2566 WASHINGTON DC 20007-5109

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nasr, Nader Neenah, US 97 4560
Shukla, Deepak Oshkosh, US 183 2508
Zhang, Rongjun Oshkosh, US 33 1792

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