HIGH PRESSURE CRYOGENIC VALVE Russian patent published in 2024 - IPC F16K49/00 F16K31/06 F16K21/02 

FIELD: valve industry.

SUBSTANCE: invention relates to valve industry and can be widely used in cryogenic equipment with working cryogenic medium pressure in range from 10 MPa to 100 MPa. On the valve body a rod drive is mounted, made in the form of a cylinder with a head, inside which there is a spring-loaded rod with a valve with a radial gap of 0.02–0.03 mm, at that, in the cylinder head there are holes for the working medium passage and a housing in which a plunger having a longitudinal groove and a stroke limiter is installed, and a seat is made, the cavity of which is connected by a pipeline to the outlet branch pipe, besides, on outer side of cylinder, housing with plunger and pipeline there is heat insulation, on top of which in area of plunger location there is polarized magnet, and in area of rod – electromagnet.

EFFECT: invention makes it possible to create a reliable small-size design of a cryogenic valve of high pressure without a stuffing box of a rod packing.

1 cl, 1 dwg