VALVE HEAD Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: end face of the hollow cylinder made of metal screen is located at an angle of 20 to 35° to the cylinder axis. The cylinder is installed in the rod blind hole and its inclined end face faces a movable washer. Two symmetrically arranged projections are made on the washer, and two mating symmetrically arranged slots are made in the body. Flats are made on the non-contacting washer ends. The restrictor on the rod is made as a radially secured pin preventing axial displacement of the rod. One end of the bush is fitted on the body, and a bore is made in its other end to receive a gasket. EFFECT: improved design. 3 cl, 3 dwg