Water level locking device for water tanks

Details Water level locking device for water tanks Water level locking device for water tanks

1995-02-21

1996-07-30

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

13763014, 251230, F16K 3120, F16K 3300

Patent

active

055402569

ABSTRACT:
A water level locking device for water tanks includes a stop valve for stopping water from flowing in a tank when water level reaches a preset highest level and for letting water flow in the tank when water level falls down to a preset lowest level, and a housing for containing components of the locking device except the stop valve.

REFERENCES:
patent: 756397 (1904-04-01), McNamara
patent: 1202238 (1916-10-01), Stokes
patent: 1382027 (1921-06-01), Sweeny
patent: 1960519 (1934-05-01), Warner
patent: 1998478 (1935-04-01), Williams
patent: 2296219 (1942-09-01), Miller
patent: 3040769 (1962-06-01), Lamb
patent: 3363643 (1968-01-01), Skulski
patent: 3401717 (1968-09-01), Lamb
patent: 3570527 (1971-03-01), Fritz
patent: 3726303 (1973-04-01), Allen et al.
patent: 4342328 (1982-08-01), Matta

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