Patent ID: 6131877
Filing Date: 2000-10-17
Classification: F16K,Y10S,Y10T

Abstract:
Automatic shut-off device for a valve for compressed or liquefied gases comprising a valve body (10) designed to be mounted on a gas cylinder and provided with an internal passage (12) that allows the cylinder to be filled with pressurized gas, characterized in that the internal passage (12) has, on the opposite side to the cylinder, a widened cross section (14) containing a metallic ball (16) which acts in the direction of filling, and in that said valve element can be neutralized by shifting the ball (16) sideways under the effect of a magnetic field generated by a magnet (18) placed on the outside of the valve and wherein the widen cross section (14) extends over 360.degree. completely around the internal passage (12) such that the magnet (18) can be placed at any angular orientation to shift the ball (16) and neutralize the valve element.