VALVE Russian patent published in 2015 - IPC F16K11/10 

FIELD: machine building.

SUBSTANCE: valve comprises a body with inlet, outlet, drain branch pipes, with a main seat and a drain seat and a bush with a central hole in the outlet plane of the body, a main gate, a drain gate with a stem. A groove is provided in the body on the drain side. A support with a central hole and holes for the flow is installed in it. A projection with a dead central hole is made in the main gate. The drain gate stem can interact with the central holes of the projection of the main gate and the support. A damping bush in the form of a cup is installed between the main gate and the piston stem and by its inner diameter interacts with the outer diameter of the body bush with a central hole.

EFFECT: expanded applicability of pneumatic valve design in various products of machine building, simplified design, reduced weight of the pneumatic valve.

7 cl, 1 dwg