| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve wind resistance with a simple structure and to smoothly discharge combustion exhaust from an exhaust guide cylinder to a lateral.SOLUTION: The inside of an exhaust guide cylinder 7 is sectioned into a first passage 7a and a second passage 7b in a front-back direction by a partition plate 75 contacting with another side wall 73 and not contacting with one side wall 72. In the one side wall 72 of the exhaust guide cylinder 7, a first opening 720 is formed. In the other side wall 73, a second opening 730 is formed ahead of the partition plate 75, and a closing part 731 is formed behind the partition plate 75.</p> |
