Bi-stable, three condition flush tank system

Details Bi-stable, three condition flush tank system Bi-stable, three condition flush tank system

1988-06-10

1989-06-20

Walton, George L.

Fluid handling

Liquid level responsive or maintaining systems

By float controlled valve

4378, 4415, 137426, 137441, 138121, F16K 3118, F16K 3300

Patent

active

048401960

ABSTRACT:
A flush valve system for a water storage tank. The system includes a standpipe which establishes both an upper water level and a repose water level. A tank valve receives water for the tank. It includes bi-stable control means which retains the most recent condition pertaining to a level higher than the repose level, or a lower level respective to drainage of stored water. The valve will therefore remain closed while the water is drained, until the water level reaches the lower level. The standpipe may include foldable segments which enable its length to be adjustably varied.

REFERENCES:
patent: 958734 (1910-05-01), Duncan
patent: 1282499 (1918-10-01), Teschan
patent: 2173070 (1939-09-01), Brown
patent: 2807024 (1957-09-01), Kapp
patent: 4106136 (1978-08-01), Lippincott, Sr.
patent: 4108202 (1978-08-01), Schoepe
patent: 4216801 (1980-08-01), Aykanian
patent: 4341238 (1982-07-01), Roosa et al.
patent: 4351071 (1982-09-01), Clar
patent: 4399835 (1983-08-01), Holderith
patent: 4593690 (1986-06-01), Sheridan et al.

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