Recuperator

Details Recuperator Recuperator

1983-02-28

1985-01-29

Camby, John J.

Heating

Processes of heating or heater operation

Of heating a fluid

126 91A, 431215, 432209, F27B 514, F23D 1144, F24C 300

Patent

active

044963149

ABSTRACT:
An improvement in negative pressure radiant tube type fuel burner systems in disclosed wherein a heat recuperator in the form of a U-shaped conduit for conveying air from the atmosphere to a burner unit extends inwardly into the exhaust leg of the radiant tube so that combustion air for the burner is diverted along generally parallel oppositely directed paths into and out of the radiant tube to transfer heat from exhaust gas to intake air. The recuperator is made to be free floating within the radiant tube so as to minimize the chance of structural damage due to thermal expansion and a series of baffles may be employed in conjunction with the recuperator to both increase heat transfer to incoming air and to diminish radiant heat loss from the radiant tube.

REFERENCES:
patent: 2410881 (1946-11-01), Hunter
patent: 2638889 (1953-05-01), Dow
patent: 3079910 (1963-03-01), Bloom et al.
patent: 3828762 (1974-08-01), Duzey

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