F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
342/38
F16K 31/40 (2006.01) H01F 7/16 (2006.01)
Patent
CA 1336989
The pilot type controlled electromagnetic valve system in accordance with the present invention is opened and closed principally by means of automatic remote control. The controlled valve system comprises a main valve F; a pilot valve G for opening and closing the main valve F by means of the fluid pressure on the primary side; a latching solenoid H for opening and closing the pilot valve G; and a solenoid drive control unit I for driving the solenoid H by supplying a discharge current from a capacitor to the solenoid. A pulse discharge current is supplied to the solenoid H from the capacitor C only when the pilot valve G is opened or closed, and no excitation currect is supplied continuously through the coil of the solenoid. As a result, the power source battery can be reduced in size, and therefore virtually no accidents take place in the controlled valve system due to no heat generation in the coil.
603620
Ideta Eiji
Nishino Koji
Sonoda Yoshiteru
Tomita Atsuo
Tsubomoto Koichi
Kiyohara Masako
Riches Mckenzie & Herbert Llp
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