Automatically operating valve for regulating water flow and fauc

Details Automatically operating valve for regulating water flow and fauc Automatically operating valve for regulating water flow and fauc

1988-09-19

1990-11-20

Michalsky, Gerald A.

Fluid handling

Systems

Multiple inlet with single outlet

4192, 4623, 137597, 236 1212, 251 3003, 25112903, 25112904, 25112906, F16K 1110, F16K 31128

Patent

active

049711067

ABSTRACT:
An automatically operating valve for regulating water flow, especially a mixing valve for automatically mixing hot water and cold water to obtain a mixed water of a desired temperature is characterized by employing piezoelectric actuators for operating valve bodies thereof. Due to such a construction, the valve can not only fully close or open but also carries out the fine flow amount control by regulating the opening rate or angle of the valve body. Especially in case the automatically operating valve is a mixing valve, the mixing ratio of hot water and cold water can be accurately regulated so that the mixed water of a desired temperature can be always automatically obtained.

REFERENCES:
patent: 4141383 (1979-02-01), Geimer
patent: 4284263 (1981-08-01), Newcomb
patent: 4298181 (1981-11-01), Corrado et al.
patent: 4541562 (1985-09-01), Zukausky
patent: 4604764 (1986-08-01), Enzo
patent: 4678000 (1987-07-01), Kushida
patent: 4681141 (1987-07-01), Wang
patent: 4695034 (1987-09-01), Shimizu et al.
patent: 4735357 (1988-04-01), Gregory et al.
patent: 4742583 (1988-05-01), Yoshida et al.
patent: 4762273 (1988-08-01), Gregory et al.
patent: 4771204 (1988-09-01), Siegal

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