Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means
Patent
1989-09-06
1991-10-22
Wayner, William E.
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Mixing valve with temperature motive means
4192, G05D 2313
Patent
active
050588044
ABSTRACT:
An automatic hot water supply apparatus produces and supplies hot water by mixing, with a hot water/cold water mixing valve, hot water supplied from an instantaneous water heater unit through a hot water supply pipe and cold water supplied through a cold water supply pipe. The automatic hot water supply apparatus includes a flow rate control valve actuatable by an electric actuator, and a flow rate limiting unit responsive to a hot water temperature setting, or a season setting, or a detected hot water temperature, for varying the flow rate of mixed hot water. The electric actuator is controlled by a signal from the flow rate limiting unit to operate the flow rate control valve in order to solve the problems of a low water temperature during the winter, an excessive hot water flow rate, and a low instantaneous water heater unit capability, so that the automatic hot water supply apparatus can supply hot water at a desired temperature.
REFERENCES:
patent: 3741195 (1973-06-01), Ellis
patent: 4909435 (1990-03-01), Kidouchi et al.
Hirata Katsumi
Iwasa Takashi
Miyoshi Risho
Tokumoto Munehiko
Yonekubo Hiroaki
Matsushita Electric - Industrial Co., Ltd.
Wayner William E.
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