Patent ID: 6871835
Filing Date: 2005-03-29
Classification: E03D,F16K

Abstract:
1. A flush control valve comprising a housing; a first fluid conduit extending into the housing; a tube mounted in the housing in axial alignment with the first fluid conduit, said tube having an interior flange defining a valve seat; a second fluid conduit extending into the housing, said second fluid conduit being in fluid communication with the interior of said tube adjacent to the valve seat; a valve member movable within the tube between an open position wherein the valve member allows fluid to flow from the first conduit along the tube past the valve seat and a closed position wherein the valve member seats against the valve seat stopping the flow of fluid along the tube past the valve seat; biasing means for biasing the valve member toward the closed position; a valve assembly for seating at a home position in the housing, said valve assembly including valve means for controlling the fluid flow from the tubular member past the second valve seat; means in the housing defining a fluid flow path between the second valve seat and the first fluid conduit, and a retainer for releasably retaining the valve assembly in said seated position whereby when said retainer is loosened thereby releasing the valve assembly, the valve member will be moved automatically by the biasing means to said closed position.