Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
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F23M
CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
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2900/00
Special features of, or arrangements for combustion chambers
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F23M2900/11021
Means for avoiding accidental fires in rooms where the combustion device is located
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F23M2900/11021

GAS FURNACE WITH FLAME ARRESTOR
20250249300 · 2025-08-07 · ·

A gas furnace with a flame arrestor may be used for arresting a potential flame caused by ignition of refrigerant in gas furnaces. The flame arrestor may be attached to a housing of the gas furnace. The flame arrestor may include a plurality of holes configured to arrest a flame propagating out of an air intake pipe of the gas furnace.