Low NOx burner for a water heater

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 (12...

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Bibliographische Detailangaben
Hauptverfasser:	DOU LILIANG, CHANASYK LARRY, MA HONGFEI, CHENG YONGHUA, BI DAYAN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BURNERS COMBINED OPERATIONS COMBUSTION APPARATUS COMBUSTION PROCESSES FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS RANGES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING UNIVERSAL MACHINE TOOLS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	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.