Nonpolluting, high efficiency firebox for wood burning stove

Details Nonpolluting, high efficiency firebox for wood burning stove Nonpolluting, high efficiency firebox for wood burning stove

1986-02-26

1987-02-17

Yeung, James C.

Stoves and furnaces

Stoves

Heating

126290, 126 60, 126112, F24C 114

Patent

active

046431659

ABSTRACT:
A firebox for a wood stove provides primary, secondary, and tertiary supplies of combustion air to the firebox. The primary supply of air enters from the front of the firebox and establishes a combustion flow downwardly to the fire. Smoke containing particulates and gases then rises from the fire to a flue opening through the top of the firebox. The secondary supply of air is added to the flow of smoke as it rises to combust particulates and gases in the smoke. The tertiary supply of air is then added to the flow of smoke in surrounding relationship to the smoke flow as it passes through a restriction opening, further combusting the smoke. The primary, secondary, and tertiary supplies of air enter the firebox through primary, secondary, and tertiary inlet ports, the cross-sectional areas of the ports being in the ratio of 2 to 1 to 1 to regulate the flow of air inward. The secondary and tertiary air supplies are preheated before being added to the combustion flow.

REFERENCES:
patent: 795226 (1905-07-01), Jensen
patent: 2414147 (1947-01-01), Fleer
patent: 2456570 (1948-12-01), Stuckey et al.
patent: 2842076 (1958-07-01), Martin
patent: 4117824 (1978-10-01), McIntire et al.
patent: 4362146 (1982-12-01), Schuller
patent: 4432335 (1984-02-01), Kilham
patent: 4438756 (1984-03-01), Chamberlain et al.
patent: 4520791 (1985-06-01), Chamberlain

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