burner for a water heater

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United States of America Patent

PATENT NO 9212817
APP PUB NO 20130247844A1
SERIAL NO

13988970

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Abstract

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A method of assembling multiple low NOx burners (100), a low NOx burners (100) and a tankless gas-fired water heater (500) are disclosed. The method includes the step of assembling multiple bodies (152), each body (152) includes multiple first burner ports (135) connected to a first burner inlet (125) and multiple second burner ports (150) connected to a second burner inlet (140). The method also includes the step of selecting one of the bodies (152) and inserting a first inlet tube (120, 220, 320, 420) into the second burner inlet (140) to provide a fuel/air mixture to the second burner ports (150) at a first rate. The method also includes the step of selecting one of the bodies (152) and inserting a second inlet tube (120, 220, 320, 420) into the second burner inlet (140) to provide the fuel/air mixture to the second burner ports (150) at a second rate different from the first rate.

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Patent Owner(s)

Patent OwnerAddress
A O SMITH CORPORATION11270 WEST PARK PLACE MILWAUKEE WI 53224

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bi, Dayan Nanjing, CN 14 57
Chanasyk, Larry Fergus, CA 4 26
Cheng, Yonghua Fergus, CA 4 21
Dou, Liliang Nanjing, CN 3 14
Ma, Hongfei Nanjing, CN 6 27

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