Direct-operated servo valve, fluid pressure servo mechanism and

Details Direct-operated servo valve, fluid pressure servo mechanism and Direct-operated servo valve, fluid pressure servo mechanism and

1990-02-13

1991-08-20

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13762521, 25112904, 25112913, F16K 3104

Patent

active

050405691

ABSTRACT:
A direct-operated servo valve which exhibits stable damping characteristics. The servo valve is characterized in that a viscous fluid is charged in the gap between a stator and a movable element. The velocity of a valve member is detected and a feed back the velocity signal is obtained by this detection so as to enable a damping of the motion of the valve member.

REFERENCES:
patent: 4735233 (1988-04-01), Nogami
patent: 4845416 (1989-07-01), Scholl
patent: 4858650 (1989-08-01), Devaud

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