Hot air heat exchanger

Details Hot air heat exchanger Hot air heat exchanger

1991-12-17

1993-04-06

Jones, Larry

Stoves and furnaces

Fireplaces or accessories

With air pump

126110AA, 126 99A, F24B 1189

Patent

active

051994160

ABSTRACT:
A hot air heat exchanger comprises a heat exchanger housing having a floor, which is essentially formed by a ceiling of an outer chamber and has at least one heat exchanger pipe extending from the floor to a ceiling element having exhaust openings, each pipe is secured to an exhaust opening in the upper wall of the outer chamber and a burner is disposed in an inner chamber which is positioned inside of the outer chamber with a spacing between the wall of the inner chamber and the outer chamber to allow air to flow therethrough. The upper wall of the inner chamber is provided with an exhaust gas opening, which is aligned with the exhaust opening of the outer chamber, and both openings have peripheral walls that are tapered to form a Venturi-like nozzle for drawing air in the space between the inner and outer chambers into each pipe as the exhaust gas from the burner in the inner chamber flows into the pipe to pass up through an exhaust element in the ceiling of the heat exchanger housing.

REFERENCES:
patent: 4010728 (1977-03-01), Hempel et al.
patent: 4325353 (1982-04-01), Husa
patent: 4469276 (1984-09-01), Marcum
patent: 5016613 (1991-05-01), Maitland

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