CHECK VALVE Russian patent published in 2004 - IPC

FIELD: mechanical engineering.

SUBSTANCE: check valve has housing with inlet and outlet passages, seat with the gate mounted in the inlet passage, support provided with rotary axle, and stop of the gate. The ends of the rotary axle are set in lugs. The stop of the gate is made of a flat sheet oriented by damping plane parallel to the axis of the support extended along it and abutting the housing by its faces. The geometrical center of the sheet is spaced from the gate plane at a distance no less the value of the radius of rotation of the center of the gate and provided at least with one discharging opening.

EFFECT: enhanced reliability.

2 cl, 2 dwg