Inherently adjustable inverted cup float for a ballcock valve

Details Inherently adjustable inverted cup float for a ballcock valve Inherently adjustable inverted cup float for a ballcock valve

1988-02-09

1989-01-03

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

733225, 137432, F16K 3118, F16K 3300

Patent

active

047949465

ABSTRACT:
An inverted cup float for a ballcock valve in a water tank. It is inherently able to select the water level in the tank by inherent selection of the point along its height where it becomes buoyant. An example is the provision of a plurality of vent ports at various heights along the cup which can selectively be opened to vent air from the cup at levels below the uppermost vent port.

REFERENCES:
patent: 2809656 (1957-10-01), Goldtrap
patent: 3194070 (1965-07-01), Grant
patent: 3693649 (1972-09-01), Gordon et al.
patent: 4431024 (1984-02-01), Gallagher

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