SQUEEZE FUEL VALVE Russian patent published in 2023 - IPC F16K17/04 F16K17/30 F16K15/10 

FIELD: aviation technology.

SUBSTANCE: squeeze fuel valve contains a hollow cylindrical body, in which a spring-loaded poppet valve is placed, containing a stem and a plate, a cover with a sleeve made inside it, a cylindrical mounting body, a clamping flange. The hollow cylindrical body is located inside the hollow mounting body and is fixed by a clamping flange, the hollow cylindrical body has a spherical surface in the lower part, the cylindrical mounting body forms a spherical surface with the clamping flange, which together with the spherical surface of the hollow cylindrical body forms a hinge pair, a cover with a cylindrical sleeve inside is installed in the upper part of the body, the upper part of the rod is installed in the cylindrical sleeve, a poppet is installed on the lower part of the rod. The lower part of the poppet has a pressing surface with an annular cylindrical bore with a ring sealing element is made, a seat with a ring edge is made inside of the fuel valve body from the side of the poppet’ s pressing surface.

EFFECT: increase in reliability, as well as simplification of maintenance.

1 cl, 1 dwg