Stoves and furnaces – Grates – Grate bar
Patent
1980-06-09
1982-04-27
Yeung, James C.
Stoves and furnaces
Grates
Grate bar
126152B, 126163R, F23H 1300
Patent
active
043264964
ABSTRACT:
A fireplace grate includes a generally air-impervious fuel support plate with an upstanding front rim. Doors slide along the outer face of the front rim to control the main flow of air to the fuel through these front rim openings. The fuel-support plate includes central slotted openings for screening ashes from the fuel and supplying draft for efficient burning at both ends of the grate. A removable cover blocks these openings when burning logs directly above to prevent a bottom draft against burning fuel, which results in less efficient burning and possible overheating of this section of the grate.
REFERENCES:
patent: 4173967 (1979-11-01), Brown
patent: 4213443 (1980-07-01), Mayo
Murray Thomas H.
Poff Clifford A.
Yeung James C.
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