Water level control device

Details Water level control device Water level control device

1985-11-01

1986-08-26

Walton, G. L.

Fluid handling

Liquid level responsive or maintaining systems

With control fluid connection at desired liquid level

4191, 4195, 4205, 4427, 4508, 73299, 137390, 137406, 137426, F16R 2118

Patent

active

046076581

ABSTRACT:
A device for automatically controlling the water level in a basin, such as a bathtub. Air pressure in a tube is used to halt water flow into the basin when a desired water level is reached. Various water levels can be selected by opening pressure relief openings in the tube.

REFERENCES:
patent: Re26631 (1969-07-01), Abbott
patent: 1537915 (1925-05-01), Bell
patent: 1869144 (1932-07-01), Green et al.
patent: 3344804 (1967-10-01), Lyman
patent: 3545481 (1970-12-01), Fratalia
patent: 3805822 (1974-04-01), Joannon
patent: 4042984 (1977-08-01), Butler
patent: 4161188 (1979-07-01), Jorgensen
patent: 4292996 (1981-10-01), Pataki et al.
patent: 4522228 (1985-06-01), Campau

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