Methods and apparatus to determine a position of a valve

Details Methods and apparatus to determine a position of a valve Methods and apparatus to determine a position of a valve

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 37/00 (2006.01)

Patent

CA 2690861

Methods and apparatus to indicate a position of a valve (100) are described. An example apparatus includes a first pressure sensor (104) to detect an inlet, pressure of a valve, a second pressure sensor (106) to detect an outlet pressure of the valve, and a controller (126) operatively coupled to the first pressure sensor and the second pressure sensor to determine a position of the valve corresponding to one of a plurality of predetermined operational states of the valve.

La présente invention concerne des procédés et un appareil permettant d'indiquer la position d'une valve (100). Un exemple d'appareil comporte un premier capteur de pression (104) destiné à détecter la pression de la valve au niveau de l'orifice d'entrée. L'appareil comporte également un deuxième capteur de pression (106) destiné à capter la pression de sortie de la valve ainsi qu'un régulateur (126) couplé, en phase de fonctionnement, au premier capteur de pression tandis que le deuxième capteur de pression permet de déterminer la position de la valve correspondant à une des pluralités d'états de fonctionnement prédéterminés de la valve.

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