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

1989-09-20

1990-09-11

Michalsky, Gerald A.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Mixing valve with temperature motive means

4192, 4623, 137606, 236 1215, 25112904, 25112906, F16K 1122, F16K 1124

Patent

active

049555359

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: 3152612 (1964-10-01), Avery
patent: 4735357 (1988-04-01), Gregory et al.
patent: 4762273 (1988-08-01), Gregory et al.

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