Control apparatus for use with driving device of vehicle

Details Control apparatus for use with driving device of vehicle Control apparatus for use with driving device of vehicle

2007-07-03

2007-07-03

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

Reexamination Certificate

active

11172920

ABSTRACT:
A control apparatus for a vehicle's driving device including (A) a non-step speed change portion including (a1) a differential device that distributes an output of an engine to a first electric motor and a transmission member, and (a2) a second electric motor provided in a power transmission path from the transmission member to drive wheels, and (B) an automatic speed change portion constituting a portion of the power transmission path, the control apparatus including a vehicle behavior stabilization controller for stabilizing a behavior of the vehicle when the behavior of the vehicle is unstable; a coupling device which is selectively switchable to (a) a released state thereof in which the coupling device places the non-step speed change portion in a non-step speed change state thereof in which the non-step speed change portion is operable as an electric CVT (continuously variable transmission), and (b) an engaged state thereof in which the coupling device places the non-step speed change portion in a stepwise speed change state thereof in which the non-step speed change portion is not operable as the electric CVT; and a vehicle-stabilization-related switching controller which switches, when the vehicle behavior stabilization controller performs a vehicle behavior stabilization control, the coupling device to the released state thereof.

REFERENCES:
patent: 5713814 (1998-02-01), Hara et al.
patent: 6655485 (2003-12-01), Ito et al.
patent: 2000-002327 (2000-01-01), None
patent: 2000-209706 (2000-07-01), None
patent: 2000-346187 (2000-12-01), None
patent: 2003-194209 (2003-07-01), None
patent: 2004-236406 (2004-08-01), None

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