| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas burner capable of inexpensively expanding an available use range by a simple constitution. SOLUTION: A separate plate 17 is disposed in a separate body 15 forming a gas nozzle 20 to form two fuel gas flow channels 13, 14 of different areas , and valves 11, 12 as two flow channel opening and closing means capable of opening and closing the fuel gas flow channels 13, 14 are disposed on a branch of two fuel gas flow channels. Thus an area of the fuel gas flow channels can be changed to three kinds of dimensions, and a lower limit flow rate of the gas burner 10 can be lowered in comparison with a conventional gas burner. COPYRIGHT: (C)2008,JPO&INPIT
|
