Recuperator

Details Recuperator Recuperator

1983-04-26

1985-06-25

Scott, Samuel

Stoves and furnaces

Stoves

Heating

431215, 165142, 432209, F24C 300, F28D 712, F23D 1144, F27B 511

Patent

active

045247528

ABSTRACT:
An improvement in negative pressure radiant tube type fuel burner systems is disclosed wherein a heat recuperator in the form of a concentric conduit arrangement 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 coaxial 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 radial pins may be employed in conjunction with the recuperator to support the conduit arrangement, and increase heat transfer to incoming air.

REFERENCES:
patent: 2059523 (1936-11-01), Hepburn
patent: 3908628 (1975-09-01), Lazaridis
patent: 4310303 (1982-01-01), Collier

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