Power steering device

Details Power steering device Power steering device

1984-03-30

1986-05-13

Maslousky, Paul E.

Motors: expansible chamber type

Differential

91467, 13762524, F15B 1517

Patent

active

045878862

ABSTRACT:
A power steering device having a fluid pressure cylinder of a single rod type providing like output characteristics for steering both rightwardly and leftwardly. A rod-side chamber and a head-side chamber of the fluid pressure cylinder have different pressure receiving areas. A control valve controls the changeover of a flow path among a pump, a tank and the rod-side and head-side chambers in accordance with the movement of a steering wheel such that the rod-side chamber is connected to the pump and the tank is connected to the head-side chamber when the piston is to be moved toward the head-side chamber, and the pump is connected to both the head-side chamber and the rod-side chamber when the piston is to be moved toward the rod-side chamber.

REFERENCES:
patent: 954401 (1910-04-01), Steedmen
patent: 4182219 (1980-01-01), Baatrup

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