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

1989-04-26

1990-11-06

Hepperle, Stephen M.

Fluid handling

Systems

Multiple inlet with multiple outlet

137606, 137883, 25112406, F16K 1122, F16K 3102

Patent

active

049677942

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: 1064966 (1913-06-01), Glass
patent: 3181790 (1965-05-01), Smith
patent: 3182684 (1965-05-01), Hutchison
patent: 4284263 (1981-08-01), Newcomb
patent: 4444215 (1984-04-01), Zukansky
patent: 4559971 (1985-12-01), Bradshaw
patent: 4685156 (1987-08-01), Brabazon
patent: 4695034 (1987-09-01), Shimizu et al.
patent: 4753265 (1988-06-01), Barrett et al.

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