Control device of a remote free wheel hub mechanism

Details Control device of a remote free wheel hub mechanism Control device of a remote free wheel hub mechanism

1988-09-30

1991-02-12

Hill, Mitchell J.

Motor vehicles

Having four wheels driven

180247, 192 40, 192 50, B60K 2300, F16D 2716, F16D 4100

Patent

active

049916807

ABSTRACT:
A control device of a remote free wheel hub mechanism includes a free wheel hub mechanism, an actuator and a control circuit. The control circuit further includes a two-wheel-drive circuit, a four-wheel-drive circuit, a transfer shift position detecting sensor, and an engine rotation drive detecting sensor. One of the two-wheel-drive circuit and the four-wheel-drive circuit in the transfer shift position detecting sensor moves to a closed condition independently of the shift position when the engine is stopped, and the transfer shift position detecting sensor correspondingly produces a signal of one of the two-wheel-drive and four-wheel-drive conditions, respectively. The engine rotation drive detecting sensor detects a rotational condition of an engine and produces a signal which closes one of the two-wheel-drive and the four-wheel-drive circuits when the engine is stopped.

REFERENCES:
patent: 4694943 (1987-09-01), Petrak

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