Driving force control system for four-wheel drive vehicles

Details Driving force control system for four-wheel drive vehicles Driving force control system for four-wheel drive vehicles

2005-02-01

2005-02-01

Nguyen, Thu V. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Control of power distribution between vehicle axis or wheels

Reexamination Certificate

active

06850830

ABSTRACT:
There is disclosed a driving force control system for a four-wheel drive vehicle, which is capable of properly controlling the execution and cancellation of a lock mode in which the engagement forces of clutches for distributing a driving force to auxiliary drive wheels are made maximum, thereby reducing frequency and duration of the lock mode. Further, there is disclosed a driving force control system for a four-wheel drive vehicle, which is capable of properly controlling the engagement forces of clutches for distributing a driving force of the main drive wheels to auxiliary drive wheels, thereby causing the clutches to efficiently operate without waste of power.

REFERENCES:
patent: 4702341 (1987-10-01), Taga et al.
patent: 5353889 (1994-10-01), Hamada
patent: 5754970 (1998-05-01), Takasaki et al.
patent: 5803197 (1998-09-01), Hara et al.
patent: 6073715 (2000-06-01), Wolf et al.

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