Patent ID: 7617545

Claim:
An apparatus for initiating a flush of a pressure assisted toilet, comprising: a housing having a top end, a bottom end, and a housing internal surface and generally defining an axis; a flush valve at least partially interposed within the housing and having a generally cylindrical hollow body with a top opening, a sealing portion, and a lower extension defining a lower opening, wherein the flush valve will selectively move axially relative to the housing; a muffler portion at least partially interposed within the housing and having a plurality of apertures formed therein, wherein the muffler portion will selectively move axially relative to the housing; wherein the muffler portion is positioned above the flush valve, and a first flow path selectively defined by the apparatus and extending at least from the bottom end of the housing, then through at least one of the plurality of apertures formed in the muffler portion, then through the lower opening of the first member, and through a pressure tank outlet to provide a reduced peak flow rate.