Liquid heaters and vaporizers – Regulation
Patent
1988-04-14
1989-07-25
Yuen, Henry C.
Liquid heaters and vaporizers
Regulation
237 8R, 236 46F, 236 46R, F22B 3500, F23N 520
Patent
active
048503100
ABSTRACT:
To reduce the number of boiler sequences over time executed for a given heating load without adversely affecting boiler efficiency, the call signal applied to the boiler to initiate a sequence in response to a demand for heating is delayed as a function of outside temperature and time elapsed since the end of the previous sequence. Accumulated burn time and sequence count are displayed to monitor boiler performance.
REFERENCES:
patent: 2477728 (1949-08-01), Fitzgerald
patent: 3979059 (1976-09-01), Davis et al.
patent: 4292813 (1981-10-01), Paddock
patent: 4502625 (1985-03-01), Mueller
patent: 4634046 (1987-01-01), Tanaka
patent: 4637349 (1987-01-01), Robinson
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