Steering force controller for power steering apparatus

Details Steering force controller for power steering apparatus Steering force controller for power steering apparatus

1988-10-27

1990-02-13

Marmor, Charles A.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

180143, 13762569, B62D 508

Patent

active

048998427

ABSTRACT:
A steering force controller for power steering apparatus is disclosed, which controls an oil pressure supplied to an oil pressure reaction chamber in accordance with a position of a spool valve which is caused to be displaced fore and aft in accordance with a vehicle speed. The spool valve is slidably fitted into a sleeve which is in turn disposed within a bore formed in a housing. The oil pressure supplied to the oil pressure reaction chamber can be controlled in accordance with the displaced position of the spool valve with respect to the sleeve. A regulating member is provided for causing an axial displacement of the sleeve, thus facilitating a regulation of a relative position between the spool valve and the sleeve.

REFERENCES:
patent: 2630136 (1953-03-01), Brandes et al.
patent: 3893484 (1975-07-01), Greene
patent: 4369677 (1983-01-01), Lewis
patent: 4637484 (1987-01-01), Ijiri et al.
patent: 4681184 (1987-07-01), Suzuki et al.
patent: 4790401 (1988-12-01), Sonoda

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