Hydraulic drive system for use with vehicle power steering pump

Details Hydraulic drive system for use with vehicle power steering pump Hydraulic drive system for use with vehicle power steering pump

1986-03-20

1988-04-19

Bertsch, Richard A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

60443, 60450, 123 4112, 137101, 137117, 180143, 280 6R, B62D 5087

Patent

active

047383305

ABSTRACT:
A hydraulic drive system for use with a vehicle power steering pump has a hydraulic motor connected in series with a power steering mechanism and a bypass line extending in bypassing relationship with the motor. A bypass valve is disposed in the bypass line to control the flow through the bypass line such that, when a steering force applied to a vehicle steering wheel is increased, the bypass flow is substantially in proportion to the steering force.

REFERENCES:
patent: 3241318 (1966-03-01), Rohde
patent: 3659567 (1972-05-01), Murray
patent: 4179888 (1979-12-01), Goscenski, Jr.
patent: 4361166 (1982-11-01), Honaga et al.
patent: 4446697 (1984-05-01), Goscenski, Jr.
patent: 4566477 (1986-01-01), Barker et al.
patent: 4601358 (1986-07-01), Kozuka et al.
patent: 4658584 (1987-04-01), Suzuki et al.
patent: 4663936 (1987-05-01), Morgan

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