Motor integrated parallel hybrid transmission
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United States of America Patent
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-
Jan 4, 2005
Grant Date -
Oct 23, 2003
app pub date -
Feb 10, 2003
filing date -
Aug 9, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A motor-integrated transmission mechanism for use in parallel hybrid electric vehicles. The transmission can provide five basic modes of operation that can be further classified into sixteen sub-modes: one electric motor mode, four engine modes, four engine/charge modes, three power modes and four regenerative braking modes. Each of these sub-modes can be grouped into like clutching conditions, providing the functional appearance of a conventional 4-speed automatic transmission, with electric launch, engine-only, engine/charge, power-assist, and regeneration capability. CVT capability is provided with one of the engine/charge modes. The transmission can be incorporated in front-wheel drive and in rear-wheel drive vehicles.
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