Patent ID: 9562611
Date: 2017-02-07
CPC Classifications: F16K,Y10T

Claim:
1. A controlled isolation valve for a fluid circuit, comprising: a valve member; and a tubular connection segment passing a flow of a fluid and including a seat on which the valve member comes to rest in a closed position; wherein the valve member is of flap type that is pivotally mounted on a first pin beside the seat and extending perpendicularly to an axial direction of the connection segment; a first control mechanism coupled to the valve member to open and close the valve member; and a locking finger pivotally mounted on a second pin beside the seat and extending perpendicularly to the axial direction, movement of the finger being defined by a second control mechanism for causing the finger to press against the valve member in a closed position; wherein the first control mechanism includes a first spring mounted to drive the valve member towards its closed position, wherein the first spring is a helical spring mounted around the first pin and is fastened between the pin and a fixed point, the first pin being secured to the valve member, and wherein the first and second control mechanisms include a common actuation rod.