Drive apparatus for vehicle and method of controlling drive...

Details Drive apparatus for vehicle and method of controlling drive... Drive apparatus for vehicle and method of controlling drive...

2007-01-19

2009-08-25

Le, David D. (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S004000, C477S006000, C475S005000, C475S116000

Reexamination Certificate

active

07578765

ABSTRACT:
When a vehicle condition is in a region where limitation of the differential action of a differential portion should be stopped, for example in a CVT control region or a motor-driven region, a cutoff device prohibits the limitation of the differential action. Therefore, if the differential action may be limited due to a failure when the vehicle condition is in the region where the limitation of the differential action should be stopped, the fail-safe function is performed to prohibit the limitation of the differential action. This avoids the situation where fuel efficiency is decreased, driveability is deteriorated, and a shock is caused by limiting the differential action.

REFERENCES:
patent: 6793034 (2004-09-01), Raftari et al.
patent: 2007/0155583 (2007-07-01), Tabata et al.
patent: 09-190233 (1997-07-01), None
patent: 2005-133856 (2005-05-01), None
patent: 2005-206136 (2005-08-01), None

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