Quiet, non-condensing liquid heater using a non-mixing blower co

Details Quiet, non-condensing liquid heater using a non-mixing blower co Quiet, non-condensing liquid heater using a non-mixing blower co

1991-07-10

1993-09-21

Yuen, Henry C.

Liquid heaters and vaporizers

Heat transmitter

Corrugated and finned heat transmitters

1223671, 122 17, 110328, F22B 902

Patent

active

052459527

ABSTRACT:
A fluid heater for a non-mixing blower combustion system comprises a flame holder including an igniter positioned at the region of highest gas-air concentration and an insert positioned in the lower portion of the flame holder to create a gas-air distribution along the length of the flame holder favorable to reliable ignition. The gas is ignited without creating an audible sound by assuring early ignition of the greatest concentration of the air fuel mixture. Also, the temperature of the exhaust gas from the heater is sufficiently high to prevent corrosive condensates from forming in the exhaust pipes. To prevent flashbacks in the air supply line, which could destroy the blower and associated duct work, the gas pressure is constantly monitored. If air flow does not occur, the gas supply line valve is closed to avoid flow of unburned gas outside the combustion chamber.

REFERENCES:
patent: 2153175 (1939-04-01), Duffy et al.
patent: 2533104 (1950-12-01), Golden et al.
patent: 3101774 (1963-08-01), Brevard
patent: 3269449 (1966-08-01), Witten, Jr.
patent: 3701340 (1972-10-01), Miller
patent: 4149673 (1979-04-01), Hapgood
patent: 4222350 (1980-09-01), Pompei et al.
patent: 4366778 (1983-01-01), Charrier et al.
patent: 4502626 (1985-03-01), Gerstmann et al.
patent: 4679528 (1987-07-01), Krans et al.
Sales brochure for Boston Gas Products, Inc., located at One Beacon St., Boston, Mass. 02108, Copyrighted in 1980. Diagram of Model BGP-103, Col. 2, paragraph 2 of the text.

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