| 摘要 |
PROBLEM TO BE SOLVED: To provide a burner preventing back-fire with a simple structure.SOLUTION: A burner 6 jets a mixture of fuel and air from a base end side separated from a combustion chamber toward a terminal side close to the combustion chamber. The burner 6 includes: fuel passages 76, 78, 80 having a first communication passage 80 repeatedly circulating fuel between the base and side and the terminal side; a third passage 82 formed so as to surround the fuel passages 76, 78, 80; a second communication passage 84 introducing fuel having circulated in the fuel passages 76, 78, 80 to the third passage 82 from the base end side toward the terminal side; and an air supply hole 62 supplying air to the third passage 82 on the base end side.SELECTED DRAWING: Figure 3 |
