GAS-TANK FILLING VALVE Russian patent published in 2001 - IPC

FIELD: mechanical engineering. SUBSTANCE: gas-tank filling valve has body with inlet and outlet holes, spring-loaded cut-off member with tapered surface positioned in sleeve, rubber seat, and plug with rubber cup which is positioned at lower end of plug. Pusher in the form of cylinder interacting with cut-off member is provided on lower end-face of plug. Diameter of cylinder is smaller than internal diameter of rubber seat. The invention makes it possible to enhance accuracy of gas-tank filling up to required gas pressure in it. EFFECT: enhanced reliability of valve. 1 dwg