Servo valve

Details Servo valve Servo valve

1991-05-13

1992-09-29

Hepperle, Stephen M.

Valves and valve actuation

Fluid actuated or retarded

Fluid and non-fluid actuators

137117, 25112903, F16K 1102, F16K 3116

Patent

active

051508761

ABSTRACT:
A servo valve comprises an electrical winding, an armature, flapper means fixed to the armature and a feedback arrangement including a radially extending plug fixed to an end of one of the arms of the flapper arrangement. The plug is located within the fluid flow of a supply bore and is deflected according to the flow. This deflection is passed back to the flapper to vary its position relative to the jet pipe nozzles thus offering feedback control.

REFERENCES:
patent: 3101650 (1963-08-01), Blanton
patent: 3563262 (1971-02-01), Wood
patent: 4157366 (1979-06-01), Ruth et al.
patent: 4226344 (1980-10-01), Booth et al.
patent: 4385642 (1983-05-01), Robinson

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