Steering including accumulator for supplying emergency reserve o

Details Steering including accumulator for supplying emergency reserve o Steering including accumulator for supplying emergency reserve o

1980-10-14

1981-12-01

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

60328, 60404, 91 28, 137110, 137554, 180133, B62D 508

Patent

active

043030890

ABSTRACT:
A hydraulic fluid power steering system includes an accumulator which stores a reserve of pressure fluid at pump standby pressure. The charging and discharging of the accumulator is controlled by an emergency steering valve which is operable in response to a predetermined minimum fluid pressure outputted by the steering pump to discharge the stored fluid for emergency steering. The emergency steering valve also has components which serve as a pressure switch which is actuated to complete a circuit through an indicator light whenever the emergency steering valve moves to effect the discharge of the accumulator.

REFERENCES:
patent: 1834596 (1931-12-01), Clapp
patent: 3882952 (1975-05-01), Crabb
patent: 4134573 (1979-01-01), Messinger
patent: 4149379 (1979-04-01), Shimizu
patent: 4160490 (1979-07-01), Bexten
patent: 4217968 (1980-08-01), Dezelan
patent: 4242867 (1981-01-01), Belart

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