Combustion – Mixer and flame holder
Reexamination Certificate
2006-09-05
2006-09-05
Basichas, Alfred (Department: 3749)
Combustion
Mixer and flame holder
C431S349000
Reexamination Certificate
active
07101174
ABSTRACT:
The present invention provides a burner capable of recovering more reliably a flame going out at one flame port via the transfer of flames from other flame ports when the burner is turned down. The burner according to the present invention is formed of two metal plates10, 20having substantially wave-shaped ends and superposed with the wave phases shifted. The burner comprises plural flame ports12, 22vertically alternately disposed along the ends of the metal plates10, 20,and plural gas channels14, 24for supplying gas to the flame ports12, 22.The burner further has a first deformed portion16where one metal plate10is deformed toward the other metal plate20at the flame port portions of one of the upper and lower flame ports12, 22.In the first deformed portion16,the vertical distance between the upper flame port center12xand the adjacent lower flame port center22xis shorter than the vertical distance between the centers of the correspondingly adjacent upper gas channel14and lower gas channel24.
REFERENCES:
patent: 2003/0190573 (2003-10-01), Keem
patent: 2-133515 (1990-11-01), None
patent: 3-14531 (1991-02-01), None
patent: 4-353308 (1992-12-01), None
patent: 9-4853 (1997-01-01), None
Akagi Kazuyuki
Inomata Masanobu
Tomiura Hideyuki
Basichas Alfred
Birch & Stewart Kolasch & Birch, LLP
Rinnai Corporation
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