Transfer drive mode switching control system

Details Transfer drive mode switching control system Transfer drive mode switching control system

2006-04-25

2006-04-25

Ho, Ha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Control by sensed ambient condition, pattern indicia,...

C477S125000, C477S906000, C475S199000

Reexamination Certificate

active

07033303

ABSTRACT:
In a transfer drive mode switching control system employing a shift actuator that switches from one of a plurality of drive mode positions of a transfer to the other, a drive mode position sensor is provided to detect the drive mode position switched by the shift actuator and to generate information regarding the drive mode position. A transfer control unit outputs a control command signal based on the drive mode position information to the shift actuator for controlling switching between the drive mode positions responsively to a driver-selected drive mode. The transfer control unit allows only a switching operation between predetermined two different drive mode positions corresponding to both ends of a working range of the shift actuator at which motion of the shift actuator is stopped mechanically, in presence of a failure in the drive mode position sensor.

REFERENCES:
patent: 5334116 (1994-08-01), Baxter, Jr.
patent: 5584776 (1996-12-01), Weilant et al.
patent: 6846262 (2005-01-01), Williams et al.
patent: 63-17118 (1988-01-01), None
patent: 2001-280491 (2001-10-01), None

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