1977-03-25
1978-07-18
Yasich, Daniel M.
Cutlery
73299, 733225, 137413, 137428, 302 15, B65G 5330, B65G 5366, F16K 3120
Patent
active
041011740
ABSTRACT:
A liquid level sensor for determining the fluid level in a container and for controlling a fluid inlet to the container in response to the fluid level therein. The sensor includes a buoyant liquid-filled flexible conduit or liquid-filled hinged pipe member in the container and a pressure transducer responsive to the head pressure of the liquid in the flexible conduit or hinged pipe member.
REFERENCES:
patent: 1560361 (1925-11-01), Allen
patent: 2426930 (1947-09-01), Hicks
patent: 2836067 (1958-05-01), Quist
patent: 3638485 (1972-02-01), Knauth
patent: 3807431 (1974-04-01), Svanteson
patent: 3981541 (1976-09-01), Doerr et al.
patent: 3993359 (1976-11-01), Sweeney
Collins Richard W.
Continental Oil Company
Yasich Daniel M.
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