Auxiliary power steering for motor vehicles

Details Auxiliary power steering for motor vehicles Auxiliary power steering for motor vehicles

1978-07-17

1980-12-09

Silverstrim, John P.

Motor vehicles

Surface effect vehicles

Dynamic seal or fluid curtain

60405, 417286, B62D 506, F15B 2000

Patent

active

042379938

ABSTRACT:
A transfer valve assembly controls the change-over in the supply of pressurized fluid to a steering servomotor from engine driven and vehicle driven pumps. The outflow rate of fluid from the engine driven pump is metered to control shift of the transfer valve assembly between its two operating positions preventing any delay or overlap in the change-over between pumps because of low or residual output pressure from the engine driven pump.

REFERENCES:
patent: 3407894 (1968-10-01), Thompson
patent: 3613818 (1971-10-01), Schubert
patent: 3625240 (1971-12-01), MacDuff
patent: 3747725 (1973-07-01), Feustel
patent: 3882678 (1975-05-01), Fassbender

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