Hydraulic steering

Details Hydraulic steering Hydraulic steering

1982-05-25

1985-12-03

Look, Edward K.

Motors: expansible chamber type

Differential

Motive fluid constantly applied to one working member face

91434, F15B 1517

Patent

active

045559759

ABSTRACT:
A hydraulic power steering system having an unbalanced piston servomotor and a pair of identical control valve pistons controlling flow of pressurized fluid to the servomotor for balanced directional displacement of the servomotor piston and to separately control depressurization of feedback chambers acting on the control valve pistons. Pressurized fluid is supplied directly to the feedback chambers from the servo-steering pump through flow restrictors, one of which is externally adjusted to select the degree of road sensing feedback generated to oppose manual actuation of the control valve pistons.

REFERENCES:
patent: 2424806 (1947-07-01), Eaton
patent: 2730075 (1956-01-01), Edge et al.
patent: 3110321 (1963-11-01), Broad
patent: 3922953 (1975-12-01), Strauff
patent: 3954149 (1976-05-01), Strauff
patent: 3967537 (1976-07-01), Strauff
patent: 4022110 (1977-05-01), Strauff
patent: 4051766 (1977-10-01), Strauff

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