STRAIGHT-FLOW VALVE Russian patent published in 1997 - IPC

FIELD: valving. SUBSTANCE: straight-flow valve has seats of rectangular cross- section with open gas valves and stiffening ribs in the gas passageways, intermediate plates with ports and cross-pieces between the ports mounted on the stiffening ribs of the gas passageways, and working plates of variable rigidity with cantilever springs and valving members that overlap the ports of the intermediate plates. On seats between the intermediate plates are additional gas passageways which are in communication with the ports from the side of their side edges. EFFECT: enhanced reliability. 3 dwg