| 摘要 |
PROBLEM TO BE SOLVED: To improve a range of a limition in the case of installing a gas supply/exhaust system. SOLUTION: An elbow tube 10 of a substantially L shape is mounted at an exhaust port 4 of an exhaust manifold 2 so as to rotate in a lateral direction at a central axis of the manifold 2 as a center. A wind receiving plate 12 is provided on a side face of a hood 6 at an opposite side to an exhaust port 11 of the elbow tube 10 so as to block a part of an air supply passage 7 formed between a flange 5 and the hood 6. Further, an arm 13 is fixed to the plate 12 and the tube 10 to rotate the plate 12 in cooperation with the rotating operation of the tube 10. Thus, even when the gas supply/exhaust system is installed near an obstacle, a high-temperature exhaust gas may not be brought into contact with the obstacle. Even when the wind exists, there is no anxiety of bringing about an abnormal combustion.
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