Steering valve

Details Steering valve Steering valve

1997-07-08

1998-08-18

Nguyen, Hoang

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

F15B 910

Patent

active

057945080

ABSTRACT:
In order to improve a steering valve of the relevant type such that it is of simple and economical design and without requiring increases in design length and so that it is not sensitive to rotational vibrations, a steering valve is designed to supply a servoelement with hydraulic pressure, consisting of an input shaft located in a housing, an output shaft, a centering spring element and a valve element, such that the steering valve has at least one chamber moving in a circular motion, essentially coaxial and supplied with hydraulic pressure, in which at least one piston element can move on an essentially circular path, where the chamber and/or the piston element form a portion of a bearing located between one of the shafts and the casing, or are connected axially parallel to it.

REFERENCES:
patent: 2234975 (1941-03-01), Newhart
patent: 4177714 (1979-12-01), Schluckebier
patent: 4434706 (1984-03-01), Bertin
patent: 4768630 (1988-09-01), Aubry et al.
patent: 5396969 (1995-03-01), Joerg et al.

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