Liquid level controller

Details Liquid level controller Liquid level controller

1979-02-28

1981-03-31

Schwadron, Martin P.

Fluid handling

Processes

Cleaning, repairing, or assembling

137315, 137426, 138 97, 285 15, 285302, F16K 5518, F16K 3300

Patent

active

042587379

ABSTRACT:
In a tank having an internal float there is a standpipe coupled through the tank. The standpipe conducts liquid into the tank. Equipment for controlling the level of liquid in the tank includes a valve. This valve is operated by the float. A conduit depends from the valve. This conduit is longer than the valve and conducts liquid thereto. Also included is a pliable seal which mounted on the conduit at an end opposite the valve. This seal engages an interior surface of the conduit. The seal also has a bore sized to encircle and seal the standpipe. Thus, the standpipe may telescope into the conduit.

REFERENCES:
patent: 796781 (1905-08-01), Welsh
patent: 2495352 (1950-01-01), Smith
patent: 2495532 (1950-01-01), Leonard
patent: 2819727 (1958-01-01), Levine
patent: 2827073 (1958-03-01), Owens
patent: 3284114 (1966-11-01), McCord, Jr. et al.
patent: 3321924 (1967-05-01), Liddell
patent: 3331387 (1967-07-01), Walters
patent: 3797518 (1974-03-01), Holm et al.
patent: 4094327 (1978-06-01), Brandelli
patent: 4122862 (1978-10-01), Brandelli

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