Control device for vehicular drive system

Details Control device for vehicular drive system Control device for vehicular drive system

2008-01-15

2008-01-15

Estremsky, Sherry (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C903S930000

Reexamination Certificate

active

07318787

ABSTRACT:
A control device for a vehicular drive system including (a) a differential mechanism operable to distribute an output of an engine to a first electric motor and a power transmitting member, and (b) a second electric motor disposed between the power transmitting member and a drive wheel of a vehicle, and a differential-state switching device operable to place the differential mechanism selectively in one of a differential state and a locked or non-differential state. The control device may include a switching control portion operable to control the differential-state switching device to place the differential mechanism selectively in one of the differential and locked states, and a power-source torque-change restriction control portion operable to restrict a change of an output torque of the engine upon switching of the differential mechanism between the differential and locked states.

REFERENCES:
patent: 6494801 (2002-12-01), Ohtake et al.
patent: 6634986 (2003-10-01), Kima
patent: 2004/0127326 (2004-07-01), Tajima et al.
patent: 2005/0245350 (2005-11-01), Tabata et al.
patent: 2000-002327 (2000-01-01), None
patent: 2000-346187 (2000-12-01), None

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