Fluid handling – Liquid level responsive or maintaining systems – By weight of accumulated fluid
Patent
1977-09-26
1982-08-17
Weakley, Harold W.
Fluid handling
Liquid level responsive or maintaining systems
By weight of accumulated fluid
13750546, 13750547, F16K 2118
Patent
active
043444563
ABSTRACT:
A regulator for controlling the liquid level in a liquid supply system having a discharge part located at an elevation higher than the elevation of the regulator. The regulator is characterized by a housing spanned by a diaphragm to define two chambers including a liquid chamber with which the intake and outlet of the regulator are connected and within which is located a lever mounting at one end a valve for sealing said intake in one position of the lever and connected at its opposite end to said diaphragm to be pivoted by the diaphragm. The other chamber of the housing receives a spring for urging said diaphragm to valve-opening position. An adjusting member projects from and is manually accessible externally of said housing and is actuable to vary the pressure exerted against said diaphragm by said spring.
REFERENCES:
patent: Re13631 (1913-10-01), Park
patent: 2059104 (1936-10-01), Harrah
patent: 2987074 (1961-06-01), Niesemann
patent: 3003520 (1961-10-01), Corey
patent: 3339581 (1967-09-01), Courtot
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