Closed center emergency steering with accumulator source

Details Closed center emergency steering with accumulator source Closed center emergency steering with accumulator source

1978-10-04

1980-08-19

Love, John J.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

60404, 137102, B62D 508

Patent

active

042179688

ABSTRACT:
An improved emergency system (10) for a vehicle having a closed center steering valve (12), a pump (14) normally supplying fluid to the valve, and an accumulator (16) for supplying emergency pressurized fluid to the valve when the pump fails. The improvement is a flow directing circuit (18) connecting the accumulator to the valve in parallel relationship to the pump and apparatus for blocking flow from the accumulator to the valve responsive to proper operation of the pump. Adequate emergency steering is provided to a closed center steering valve system by the above arrangement.

REFERENCES:
patent: 2396984 (1946-03-01), Broadston
patent: 3123174 (1964-03-01), Bednar
patent: 3458998 (1969-08-01), Bishop
patent: 3570519 (1971-03-01), Bianchetta
patent: 3613818 (1971-10-01), Schubert
patent: 3882952 (1975-05-01), Crabb
patent: 3905438 (1975-09-01), Runyon
patent: 3918847 (1975-11-01), Junck
patent: 3952510 (1976-04-01), Peterson
patent: 4114720 (1978-09-01), Ericson

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