Waste energy hot water heater

Details Waste energy hot water heater Waste energy hot water heater

1989-08-11

1992-03-24

Bennett, Henry A.

Liquid heaters and vaporizers

Subsidiary

122421, F22B 3300

Patent

active

050978012

ABSTRACT:
A waste energy hot water heater which extracts heat energy through heat exchange with flue gas from a primary heating device is disclosed. The water heater has an easily removable, compact, and simple heat exchanger and a flue gas bypass system to avoid overheating the heat exchanger.

REFERENCES:
patent: 1098902 (1914-06-01), Holden
patent: 1550318 (1925-08-01), Hofmann
patent: 1885267 (1932-11-01), Kalfus
patent: 2236170 (1941-03-01), Fjellman
patent: 3991821 (1976-11-01), Cook et al.
patent: 4090474 (1978-05-01), Kauffmann
patent: 4122801 (1978-10-01), Burns
patent: 4177766 (1979-12-01), Richter
patent: 4318366 (1982-03-01), Tompkins
patent: 4318367 (1982-03-01), Antonucci
patent: 4344568 (1982-08-01), Stewart et al.
patent: 4374506 (1983-02-01), Whalen
patent: 4412526 (1983-11-01), DeGrose

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