On-off valve fluid governed servosystem

Details On-off valve fluid governed servosystem On-off valve fluid governed servosystem

1981-02-10

1983-11-22

Garrett, Robert E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Electrical input and feedback signal means

91454, F15B 13044, F15B 1316

Patent

active

044161875

ABSTRACT:
In a pulse modulated servosystem having solenoid activated on-off valves governing the amount of fluid in two variable volume chambers of a double-acting piston-cylinder unit any limitation of the accuracy due to inertia of the valves is eliminated by influencing both chambers in opposite directions.

REFERENCES:
patent: 3295421 (1967-01-01), McCormick
patent: 3530873 (1970-09-01), Arp et al.
patent: 4138632 (1979-02-01), Pauwels et al.
patent: 4265163 (1981-05-01), Arao et al.

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