Instructing system for a four-wheel drive vehicle

Details Instructing system for a four-wheel drive vehicle Instructing system for a four-wheel drive vehicle

1981-11-12

1984-02-28

Peters, Jr., Joseph F.

Motor vehicles

Having four wheels driven

With manually operated means for disengaging drive to one or...

340 52B, 361238, B60K 1734, B60K 2308

Patent

active

044337485

ABSTRACT:
An instructing system for a four-wheel drive vehicle powered by an internal combustion engine comprises a transmission for transmitting power from the engine to two main driving wheels, a clutch for selectively transmitting the power to auxiliary two-wheels, and a select lever for engaging the clutch. Speed detectors are provided for detecting both the speed of the two main driving wheels and the two auxiliary wheels. An electric circuit compares both speeds and turns on a lamp when the difference between both speeds exceeds a predetermined level, whereby slipping of the two main driving wheels is indicated.

REFERENCES:
patent: 3776322 (1973-12-01), Misch et al.
patent: 4086563 (1978-04-01), Bachman
patent: 4298085 (1981-11-01), Moroto et al.

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