Motor vehicle steering

Details Motor vehicle steering Motor vehicle steering

1975-05-02

1977-06-14

Cohen, Irwin C.

Motors: expansible chamber type

Differential

60386, 180152, B62D 508, F15B 1116, F15B 1306

Patent

active

040289974

ABSTRACT:
A fluid power assist type of vehicle steering system having a controlled servo motor assembly operated through a control circuit, and interconnected with the steering linkage, is provided with an auxiliary servo motor assembly through which pressure regulation is effected to prevent vibration otherwise amplified by feedback pressure signals. Differential pressure actuated pilot valves control the supply and return of pressurized fluid to and from the auxiliary servo motor assembly in response to differences between opposing pressures of the servo motor assemblies to regulate only the pressure chambers of the auxiliary servo motor assembly.

REFERENCES:
patent: 2236467 (1941-03-01), Clench
patent: 2857976 (1958-10-01), Forster et al.
patent: 2930357 (1960-03-01), Brueder
patent: 3237641 (1966-03-01), Audemar
patent: 3520135 (1970-07-01), Liebert
patent: 3584537 (1971-06-01), Schulz
patent: 3765181 (1973-10-01), Lang
patent: 3832849 (1974-09-01), Lang

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