Steering booster

Details Steering booster Steering booster

1994-05-27

1996-12-10

Lopez, F. Daniel

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

F15B 910

Patent

active

055820913

ABSTRACT:
The invention pertains to a steering booster for delivering compressed oil to the left and right chambers (6,7) of a servo cylinder (3) via a rotary slide valve (9) with a pump (10), whereby a reaction piston (18) is arranged between an input shaft (14) and a control sleeve (15) of the rotary slide valve (9). In order to create a simply constructed hydraulic reaction device for this steering booster, the invention suggests that an electrohydraulic transformer (30) for controlling a hydraulic reaction moment in dependence on certain parameters be arranged in a line (31) between the pump (10) and the rear side of the reaction piston (18).

REFERENCES:
patent: 4632204 (1986-12-01), Honaga et al.
patent: 4796715 (1989-01-01), Futaba et al.
patent: 4819545 (1989-04-01), Dymond
patent: 4877100 (1989-10-01), Emori et al.
patent: 5339917 (1994-08-01), Eberhart

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