Assisted steering system for a motor vehicle

Details Assisted steering system for a motor vehicle Assisted steering system for a motor vehicle

1986-03-26

1987-12-15

Love, John J.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

25112915, B62D 506, B62D 509

Patent

active

047126310

ABSTRACT:
In a bridging circuit (6.sub.a, 6.sub.b) connecting the two opposing chambers ( V.sub.1 V.sub.2) of the hydraulic assistance actuator (5), a valve seat (11) is interposed which may be closed selectively by a valve member which is biased by an electromagnetic actuator (14) having two states, energized and unenergized, which is controlled by at least one switch (18.sub.a, 18.sub.b) actuatable by the lever (19) of the gear changing mechanism of the vehicle so as to close the bridging circuit (6.sub.a, 6.sub.b) when the parking gears are engaged (first and reverse) in order to obtain maximum hydraulic assistance power, the assistance power being reduced during other conditions of use of the vehicle (driving along the road).

REFERENCES:
patent: 3960234 (1976-06-01), Morgan
patent: 4262877 (1981-04-01), Lang
patent: 4437532 (1984-03-01), Nakamura

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