Park brake sensor and transmission override

Details Park brake sensor and transmission override Park brake sensor and transmission override

1990-11-20

1992-05-12

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

180271, B60K 4126

Patent

active

051119218

ABSTRACT:
A park brake sensor valve is added to a circuit having an engagement override valve (EOV). The EOV normally prevents engagement of the transmission any time a vehicle is started with the speed selector in any position other than neutral. The park brake selector valve causes the EOV to disengage the transmission anytime the park brake is activated.

REFERENCES:
patent: 3498194 (1969-09-01), Horsch et al.
patent: 3565220 (1971-02-01), Lammers et al.
patent: 3854559 (1974-12-01), Talak et al.
patent: 3863523 (1975-02-01), Starling et al.
patent: 3912056 (1975-10-01), Neal
patent: 3978946 (1976-09-01), Ream
patent: 3998111 (1976-12-01), Blake
patent: 4227598 (1980-10-01), Luft
patent: 4396099 (1983-08-01), Shirley

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