Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1991-06-07
1992-06-09
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
137441, 251120, F16K 3126, F16K 3300, F16K 4702, F16K 4708
Patent
active
051198452
ABSTRACT:
This invention relates to an improvement of a float valve device, and more particularly to a float valve device including a water plug noise elimination and water seal assembly for flush toilets, with its major features of adding a noise eliminating water inlet unit at the water outlet structure of such a flush toilet, by using the bores surrounding the water inlet unit to produce the compliant flow during water intake by applying the flux dynamics principle to kill the noise, and by adding a triangle spring within the water outlet seat below a float crank rod to function as the indirect pivot of a float lever to achieve a load-saving purpose and to increase the water seal rate, and since the pivot is at lower position, the float is able to precisely open and close the water inlet to avoid the tear and wear of the water seal washer so as to prolong the service life of the water seal device while achieving the purpose of saving the water supply.
REFERENCES:
patent: 1525334 (1925-02-01), Stengel
patent: 1625921 (1927-04-01), Valtier
patent: 1787601 (1931-01-01), Swanberg
patent: 1901633 (1933-03-01), Clemmons
patent: 2086637 (1937-07-01), Price et al.
patent: 2300466 (1942-11-01), Peterson
patent: 2304272 (1942-12-01), Mueller et al.
patent: 3516094 (1970-06-01), Reagan
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