Wireless, intrinsically safe valve

F - Mech Eng,Light,Heat,Weapons – 15 – B

Patent

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Details

F15B 13/043 (2006.01) F15B 13/042 (2006.01) F15B 21/08 (2006.01) F16K 31/02 (2006.01)

Patent

CA 2356753

A valve system (10) that employs a piezo-electric element (38) to activate a fluid flow valve (18) so as to use a minimal amount of electrical energy. The piezo-electric element (38) activates a pilot pressure valve (36), which allows a control fluid to pass to a main control valve (44). The control fluid causes the main control valve (44) to activate a working element (16), which in turn operates the fluid flow valve (18). A switching assembly (70) is employed to activate the piezo-electric element (38). The switching assembly (70) can include various types of switching devices, such as RF switching devices, optical switching devices, infrared switching devices and low voltage electrical switching devices.

Système de robinet (10) dans lequel un élément piézo-électrique (38) est utilisé pour l'activation d'une vanne de réglage de fluide (18), de manière qu'un minimum d'énergie électrique soit consommé. Ledit élément piézo-électrique (38) active une soupape de pression pilote (36), ce qui permet le passage d'un fluide de commande dans un robinet de commande principal (44). Ledit fluide induit l'activation par le robinet de commande principal (44) d'un élément de travail (16), lequel actionne à son tour la vanne de réglage de fluide (18). Un ensemble de commutation (70) est utilisé pour activer l'élément piézo-électrique (38). Ledit ensemble (70) peut comporter divers types de dispositifs de commutations, tels que des dispositifs de commutation RF, des dispositifs de commutation optique, des dispositifs de commutation IR et des dispositifs de commutation électrique basse tension.

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