Power transfer system for a four-wheel drive vehicle

Details Power transfer system for a four-wheel drive vehicle Power transfer system for a four-wheel drive vehicle

1993-03-09

1994-11-15

Hill, Mitchell J.

Motor vehicles

Having four wheels driven

180247, 180249, B60K 1734

Patent

active

053639383

ABSTRACT:
The present invention provides a power transfer system for a four-wheel drive vehicle which permits the vehicle operator to choose between operation in two-wheel drive and part-time four-wheel drive modes or an "on-demand" four-wheel drive mode. The power transfer system is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting into any of the two-wheel drive and part-time four-wheel drive modes.

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patent: 5078660 (1992-01-01), Williams et al.
patent: 5152362 (1992-10-01), Naito
patent: 5199325 (1993-04-01), Reuter et al.

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