Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1993-05-11
1994-02-22
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
4324, 4366, 4415, 733225, 137426, 137430, 137432, 137441, 137444, F16K 3124, F16K 3300
Patent
active
052878821
ABSTRACT:
A toilet tank ball cock is designed for use in a toilet tank having an operating lever, a flush valve controlled by the operating lever and a water supply, with the ball cock regulating the supply of water to the tank. The ball cock includes a vertical riser column communicating with the water supply and a water control valve regulating the flow of water from the water supply to the toilet tank. There is a float movable on the riser column and coupled to the water control valve such that downward movement of the float to a selected level opens the water control valve to fill the toilet tank and upward movement of the float to a selected upper level closes the water control valve to stop filling the tank. The float has openings therein in communication with the tank interior. The openings are located to provide for water flow from the float as the water level in the tank drops. The openings are sized so that the combined weight of the float and the water therein will not cause the water supply valve to open when the tank is slowly drained, as by a leak, but the combined weight will cause the water supply valve to open when the tank is rapidly drained, as by opening the flush valve.
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Moen Incorporated
Walton George L.
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