Vent assembly

Details Vent assembly Vent assembly

1983-06-27

1984-04-17

Favors, Edward G.

Liquid heaters and vaporizers

Stand boiler

Fluid fuel burner

110147, 110163, 126307R, 126307A, F22B 500

Patent

active

044427980

ABSTRACT:
A vent assembly adapted for venting into the atmosphere hot burner exhaust gases from the flue exhaust port of a heating appliance within an enclosure, such assembly including an exhaust duct and a relief duct. The exhaust duct is connected at one end to said flue exhaust port and is opened at its other end to the ambient atmosphere outside of the enclosure. A selectively responsive closure device, such as a thermally controlled damper, is disposed within the exhaust duct. The relief duct is connected to the exhaust duct at a point along the flow of exhaust gases upstream of the closure device and has a relief aperture disposed at a height between that of the exhaust port and that of the burner.

REFERENCES:
patent: 1945955 (1934-02-01), Price
patent: 2165811 (1939-07-01), Peters
patent: 2184983 (1939-12-01), Tornquist
patent: 2241661 (1941-05-01), Furlong
patent: 2537082 (1951-01-01), Palmer
patent: 2704538 (1955-03-01), Tuck
patent: 3718544 (1973-02-01), Sims
patent: 4215814 (1980-08-01), Ebert

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