Steering valve

Details Steering valve Steering valve

1995-06-29

1997-12-16

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91375A, 180421, 13762523, F15B 908, F15B 1304

Patent

active

056974000

ABSTRACT:
In order to be able to more simply manufacture and center a steering valve consisting of an input shaft, an output shaft, a valve sleeve surrounding the input shaft, and a reaction arrangement to which pressure can be applied to generate a centering moment, where the steering valve can simultaneously be of a shorter configuration than a conventional steering valve, it is proposed that the hydraulic lines for the system or operating pressure, as well as for tank return, be formed between the input shaft (2) and valve sleeve (5) and that the reaction arrangement (6) exerts a radial pressure acting between the input shaft (2) and the valve sleeve (5).

REFERENCES:
patent: 3998131 (1976-12-01), Adams
patent: 4445422 (1984-05-01), Bishop
patent: 4601358 (1986-07-01), Kozuka et al.
patent: 4759420 (1988-07-01), Schipper et al.
patent: 4796715 (1989-01-01), Futuba et al.
patent: 4844118 (1989-07-01), Kervagoret
patent: 5016723 (1991-05-01), Sand
patent: 5058696 (1991-10-01), Prebay et al.
patent: 5190119 (1993-03-01), Nomura et al.
patent: 5230273 (1993-07-01), Fraley, Jr.
patent: 5233906 (1993-08-01), Bishop et al.

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