Variable assist power steering apparatus

Details Variable assist power steering apparatus Variable assist power steering apparatus

1989-10-27

1991-08-13

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180141, 91375A, B62D 506

Patent

active

050388789

ABSTRACT:
A control valve for a variable assist power steering apparatus comprises a bypass line having one end connected to one of two parallel fluid flow paths of a distributor circuit at an inflow section thereof and an opposite end connected to the one fluid flow path at an outflow section thereof. The bypass line is arranged in parallel to primary variable flow restrictors and in series with secondary variable flow restrictors. An externally controlled variable flow restrictor is disposed in the bypass line.

REFERENCES:
patent: 4465098 (1984-08-01), Bacardit
patent: 4465099 (1984-08-01), Kervagoret
patent: 4512238 (1985-04-01), Bacardit
patent: 4561516 (1985-12-01), Bishop et al.
patent: 4561521 (1985-12-01), Duffy
patent: 4565115 (1986-01-01), Bacardit
patent: 4570735 (1986-02-01), Duffy
patent: 4594936 (1986-06-01), Bacardit
patent: 4665798 (1987-05-01), Bacardit
patent: 4771841 (1988-09-01), Uchida et al.
patent: 4830131 (1989-05-01), Miyoshi et al.
patent: 4852462 (1989-08-01), Uchida et al.
patent: 4860635 (1989-08-01), Uchida et al.
patent: 4860846 (1989-08-01), Uchida et al.

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