Combustion air intake system for wood-burning stove

Details Combustion air intake system for wood-burning stove Combustion air intake system for wood-burning stove

1980-05-21

1982-02-23

Yeung, James C.

Stoves and furnaces

Stoves

Heating

126 66, 126290, 126287, F24B 500

Patent

active

043164455

ABSTRACT:
Hinged doors are provided on the front of a stove for sealably closing across a large opening through which logs can be loaded into a firebox within the stove. A cylindrical draft chamber is formed on an exterior surface of one or each of the doors. A draft cap is rotatable on a threaded stud which is coaxially secured in the cylindrical draft chamber. The draft cap includes an annular flange forming a sliding close-tolerance fit with an interior cylindrical wall of the draft chamber so that the cap can be rotated to vary the size of the draft chamber to selectively restrict the flow of air from a source through the draft chamber to the firebox whenever the doors are closed.

REFERENCES:
patent: 595952 (1897-12-01), Laroche
patent: 741658 (1903-10-01), Grant et al.
patent: 4037584 (1977-07-01), Fisher
patent: 4184473 (1980-01-01), McIntire et al.

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