Electromagnetically-operated rotary servovalve

Details Electromagnetically-operated rotary servovalve Electromagnetically-operated rotary servovalve

1989-05-08

1990-10-23

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Solenoid having plural coils

2511292, 13762547, F16K 3110

Patent

active

049646125

ABSTRACT:
An electromagnetically operated rotary servovalve particularly suitable for controlling hydraulic actuators, for example forming part of vehicle suspensions is described; the servovalve comprises a valve body provided with at least one series of respective radial ducts disposed angularly spaced apart, a rotary distributor of cock type which depending on its angular position either blocks said radial ducts or selectively connects them together in pairs, a pair of linear electromagnetic actuators, and transmission means mechanically connecting said electromagnetic actuators to said rotary distributor and arranged to convert with a predetermined step-up ratio the linear motion of said actuators into rotary motion of said distributor.

REFERENCES:
patent: 467153 (1892-01-01), Chatard
patent: 1056124 (1913-03-01), Rorke

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