Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1992-01-31
1993-08-03
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
4324, 4366, 4415, 4427, 137421, 137426, F16K 3120, F16K 3300
Patent
active
052320111
ABSTRACT:
A flush valve leakage prevention and detection device includes a latch for supporting a float lever of a float controlled water inlet valve assembly of a toilet tank in a raised, latched position corresponding to a closed position for the water inlet valve assembly, with a control arm on the latch being engaged by a flush lever of the toilet tank. A support pivotally mounts the latch within the toilet tank, and the latch is rotationally biased relative to the pivot such that the control arm is urged in supporting engagement upon the flush lever and the latch is positioned to hold the float lever in the raised, latched position. The control arm is movable in response to movement of the flush lever in initiating a flush cycle to rotate the latch against the bias to release the float lever allowing the float lever to move to a lowered position corresponding to an open position for the water inlet valve assembly and to automatically engage and latch the float lever once the float lever has returned to the raised position preventing opening of the water inlet valve assembly in the event that water leaks from the toilet tank between flush cycles.
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Walton George L.
Waterguard, Inc.
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