Float valve with variable liquid ballast

Details Float valve with variable liquid ballast Float valve with variable liquid ballast

1979-05-29

1981-03-31

Schwadron, Martin P.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

137428, 137433, 137444, 251 46, F16K 3118

Patent

active

042587468

ABSTRACT:
Improvements are disclosed for a float valve of the type including a main valve that controls an inlet port, a control chamber having a bleeder port and a pilot valve member unitary with a float to control the bleeder port and thereby adjust pressure in the control chamber for regulating actuation of the main valve. In order to increase the float cycle of the valve, a water reservoir is formed by the float for receiving water and increasing weight of the float while the valve is actuated during each float cycle, the reservoir including vent means for emptying the reservoir when the valve is deactuated in order to then reduce the weight of the float. Additional improvements are provided to facilitate operation of the valve.

REFERENCES:
patent: 3693649 (1972-09-01), Gordon et al.
patent: 3893475 (1975-07-01), Hudson
patent: 4013091 (1977-03-01), Hudson

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