VALVE UNIT OF PUMP Russian patent published in 2004 - IPC

FIELD: valving.

SUBSTANCE: valve unit of pump has seat provided with seating conical side and axial cylindrical guiding opening, peripheral ring flexible seal, and movable spring-loaded plate valve connected with guiding spider through ball hinge and engaging the guiding opening of the seat. The plate valve and ball of the guiding spider are movably interconnected through the split steel locator. The locator is made of a spring turn and mounted in the inner ring groove provided in the central dummy cylindrical opening of the plate valve. The ball hinge is provided with an elastomeric, e.g., rubber ring damper interposed between the mated sides of the locator and ball of the guiding spider.

EFFECT: expanded functional capabilities.

2 cl, 3 dwg