Toilet tank assembly

Abstract

A toilet supply tank assembly having high performance flush characteristics is designed to maximize water pressure over the flush valve and to minimize fluid turbulence within the tank during a flush cycle. The tank includes a bottom interior surface which tapers downwardly from the outer edges thereof to an fluid escape opening, and may include a cylindrical tank having a frusto-conical bottom portion with the fluid escape opening at the most narrow portion thereof. In order to further reduce turbulence created by water flow within the tank during a flush cycle, a cylindrical flush valve plunger having a frusto-conical stopper portion is provided which has no abrupt transitions. The tank may also include at least three vertical partitions intersecting a common axis which not only provide a cage in which the flush valve plunger can slide up and down, but also prevent the water from swirling and forming an energy robbing vortex.

Dependencies are inferred from the claim text.