Force motor

Details Force motor Force motor

1980-04-30

1982-10-19

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

251 65, 13762565, 335232, 335265, 335267, F16K 3108, F16K 716, F16K 4702

Patent

active

043546625

ABSTRACT:
This invention relates to force motors that are used in single stage hydraulic valves that are responsive to electrical input signals. The inertia of the force motor is reduced by having only a small portion of the force motor move. By reducing the mass of the moving parts of the force motor the force motor may be used with an increased speed of response.

REFERENCES:
patent: 3727487 (1973-04-01), Forster et al.
patent: 3858135 (1974-12-01), Gray
patent: 4040445 (1977-08-01), McCormick
patent: 4183375 (1980-01-01), Vick

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