Automatic temperature and humidity regulation – Closed fluid heaters – Flow controlled
Patent
1983-05-23
1985-02-12
Focarino, Margaret A.
Automatic temperature and humidity regulation
Closed fluid heaters
Flow controlled
622386, 126362, 237 2B, F28F 2700
Patent
active
044986220
ABSTRACT:
A quick recovery heat pump water heater includes a water storage tank with first and second tank portions, and sensing means for indicating the demand for hot water in the tank portions. A water pump and an external heat source are provided. Control means responsive to an indication from the sensing means of a demand for hot water in the first tank portion initially establishes communication of the first tank portion with the pump and external heat source and turns them on. The control means then responds to an indication from the sensing means that the demand for hot water in the first tank portion has been satisfied and establishes communication of the second tank portion with the pump and external heat source. Finally, the control means is responsive to an indication from the sensing means that the demand for hot water in the second tank portion has been satisfied and turns off the pump and external heat source.
REFERENCES:
patent: 2716866 (1955-09-01), Silva
patent: 4313419 (1982-02-01), Lyon et al.
patent: 4314456 (1982-02-01), Harnish
patent: 4330309 (1982-05-01), Robinson
patent: 4385723 (1983-05-01), Sanborn et al.
patent: 4390008 (1983-06-01), Andrews
patent: 4416222 (1983-11-01), Staats
Borg-Warner Corporation
Focarino Margaret A.
Schachner Julian
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