Burner unit

Details Burner unit Burner unit

1992-08-14

1994-01-18

Jones, Larry

Stoves and furnaces

Hot-air furnaces

Liquid or gaseous fuel

126 99A, 126 85R, 126 90R, 34155, 432 59, 432148, 432 72, 432209, F24H 300

Patent

active

052792781

ABSTRACT:
A burner unit for heating a gaseous medium includes a heat exchanger provided with tubes, a space between the tubes connected on the upstream side to a feed duct for the gaseous medium; a combustion chamber connected to the downstream side of the space between the tubes; a burner placed in the combustion chamber; and a fuel supply duct connected to the burner. The side of the combustion chamber remote from the heat exchanger is connected to a first end of the tubes; and a flue gas outlet duct is connected to the other end of the tubes. The elongation of the tubes forming part of the heat exchanger renders the use of a conventional tube plate superfluous. Thus, damage resulting from thermal stresses is avoided.

REFERENCES:
patent: 2091172 (1937-08-01), Wilson
patent: 3706445 (1972-12-01), Gentry
patent: 4310300 (1982-01-01), Mackenzie
patent: 4391227 (1983-07-01), Forster
patent: 4944673 (1990-07-01), Jacobs et al.

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