Patent ID: 6116576
Filing Date: 2000-09-12
Classification: F16K

Abstract:
A valve for regulating a flow of gas, comprising:a valve body with an inlet for gas to be regulated and an outlet for a regulated flow of gas, a valve seat in said valve body, having a surface area and a valve opening, a moving closure part comprising a tensioned membrane mounted inside the valve body, a plunger having a longitudinal axis and a plunger end, a plunger actuator to move said plunger to cause a part of said plunger end to act on the membrane, causing the closure part to close and open the valve opening and regulate the flow of gas through said valve opening, a rigid, flat plate disposed opposite the valve seat, said plate having a surface area which is at least equal to the surface area of the valve seat, the plate following axial movements of the membrane and being tiltable in relation to the longitudinal axis of the plunger, and the part of the plunger end which acts on the membrane having a surface area which is smaller than the surface area of the valve seat.