F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/02 (2006.01) A45D 20/06 (2006.01) F23D 14/28 (2006.01)
Patent
CA 2518472
A gas combustion device (1) has a combustor (7) for burning a combustion gas fed, an ejector (3) with a primary air hole for sucking primary air into the combustor (7) by ejector effect, and an igniter (5) for igniting a mixture gas jetted from a wick (25) provided forward of the ejector (3). The combustor (7) is composed of a primary combustion chamber (11) for igniting and burning the mixture gas jetted from the wick (25), a secondary air hole (33) for feeding secondary air to the gas burning in the primary combustion chamber (11) after the ignition, a secondary combustion chamber (13) for further burning the gas burnt in the primary combustion chamber (11), and a tertiary air hole (35) for feeding tertiary air to the gas burning in the secondary combustion chamber (13). Since the secondary air is fed to the gas after ignition in the primary combustion chamber (11), combustion performance of the gas is improved even when the amount of the primary air is reduced to improve ignitability.
L'invention porte sur un dispositif de combustion d'un gaz (1) comportant un brûleur (1), un éjecteur (3) muni d'un orifice d'air primaire alimentant le brûleur (7) par effet d'éjection, et un allumeur (5) du mélange gazeux provenant d'une mèche (25) disposée en aval de l'éjecteur (3). Le brûleur (7) comprend une chambre de combustion primaire (11) d'allumage et combustion du mélange gazeux sortant de la mèche (25), un orifice d'air secondaire (33) renforçant la combustion dans la chambre de combustion primaire (11), et un orifice d'air tertiaire (35) alimentant en air une deuxième chambre de combustion (13). Du fait de l'injection de l'air secondaire après l'allumage dans la chambre de combustion primaire (11), la combustion du gaz est améliorée, même si la quantité d'air primaire est réduite pour améliorer l'allumage.
Iwaki Katsunori
Kokuo Shinji
Gowling Lafleur Henderson Llp
Re-Tec Inc.
LandOfFree
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