Motor vehicles – Power – Electric
Patent
1975-09-19
1977-02-01
Wood, Jr., M. H.
Motor vehicles
Power
Electric
188156, 303 3, B60T 1300, B60K 100
Patent
active
040057593
ABSTRACT:
In a solenoid-operated hydraulic brake pressure regulating valve assembly, a solenoid-operated valve and a pressure responsive valve are located in parallel connection between an inlet and an outlet, the solenoid-operated valve being closed when regenerative braking is in operation but open at all other times to provide communication between the inlet and the outlet, and the pressure-responsive valve being normally open but being adapted to close to isolate the inlet from the outlet after the solenoid-operated valve has closed and only after the pressure at the inlet has attained a predetermined value.
REFERENCES:
patent: 1805630 (1931-05-01), McCune
patent: 1850609 (1932-03-01), Thomas
patent: 2038174 (1936-04-01), Hewitt
patent: 3171505 (1965-03-01), Imelmann
patent: 3275380 (1966-09-01), May
patent: 3621929 (1971-11-01), Oberthur et al.
patent: 3778115 (1973-12-01), Ryburn et al.
Lucas Industries Limited
Mitchell David M.
Wood, Jr. M. H.
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