Vehicle braking system and method of braking

Details Vehicle braking system and method of braking Vehicle braking system and method of braking

1982-03-26

1984-01-10

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

188159, 188345, B60T 1374

Patent

active

044250053

ABSTRACT:
A vehicle braking system having one brake circuit actuated directly by pressure generated in a master cylinder and a second brake circuit actuated, by pressure generated by actuation of the master cylinder, to the extent that regenerative braking effort acting on the wheels having brakes in the second brake circuit is insufficient to provide the desired total braking effort on those wheels. When regenerative braking on those wheels is sufficient to meet the braking effort demand, the service brake system does not supply any additional braking effort. A compliance control member provides the feel of input travel and force equivalent to the regenerative braking effort actually at the wheels of the second brake circuit when regenerative braking is occuring while the vehicle is being braked. The absorbed displacement and force is fed back to the second brake circuit by the compliance control member when the regenerative braking effort becomes insufficient to meet the braking effort demanded from the brakes of the second brake circuit.

REFERENCES:
patent: 2591224 (1952-04-01), Williams et al.
patent: 3275380 (1966-09-01), May
patent: 3536360 (1970-10-01), Engle
patent: 4270806 (1981-06-01), Venkateperumal et al.
patent: 4283092 (1981-08-01), Sanka et al.

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