Integrated, usage-dependent temperature control for gas water he

Details Integrated, usage-dependent temperature control for gas water he Integrated, usage-dependent temperature control for gas water he

1986-05-29

1987-10-20

Bennet, Henry A.

Automatic temperature and humidity regulation

Closed fluid heaters

Flow controlled

237 19, F22B 3500, F24H 920

Patent

active

047008865

ABSTRACT:
The control utilizes sensed gas pressure downstream of the thermostat controlled valve as an indication of heat demand. A low limit transducer is placed at 50 to 90 percent of the tank height to maintain adequate heated water for casual uses without excessive burner cycling. A flow transducer is integrated with a heat trap. The control uses output of the flow transducer (combined with the timing out of an interval timer) to enable an excursion from the low limit set point to the thermostat high limit.

REFERENCES:
patent: 4016402 (1977-04-01), Scott
patent: 4166944 (1979-09-01), Scott
patent: 4336902 (1982-06-01), Neal
patent: 4371779 (1983-02-01), Maynard et al.
patent: 4413775 (1983-11-01), Scott

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