PYROVALVE Russian patent published in 2022 - IPC F16K17/14 F16K17/16 

FIELD: mechanical engineering.

SUBSTANCE: claimed invention relates to the field of mechanical engineering, in particular to the field of units and mechanisms of gas systems. Proposed invention is a pyrovalve containing a body with one inlet and at least one outlet, with a bridge between the inlet and additionally introduced outlet, dividing the body cavity into volumes isolated from each other, with a cavity with a cylindrical bore, in which a piston, a shearable membrane, made in one piece with the piston, a conical plug installed with the possibility of jamming in the reciprocal conical seat made in the housing cavity and separating the inlet and outlet holes, pyrochamber. The piston is equipped with a rod, on which a punch is installed on the side of the jumper, the diameter of which exceeds the diameter of the rod, and the conical plug is placed between the rod and the piston and is rigidly connected to the rod. The outlet has an entrance to the conical bore, which houses the piston.

EFFECT: invention is aimed at ensuring the sealing of the outlet, reducing the ingress of combustion products of the squib into the switchable line, and it is possible to overhaul the pyro valve.

1 cl, 2 dwg