| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an exhaust muffler cooling device for an engine which has a muffler cover constituted of a single part, is inexpensive, satisfactrily cools the exhaust muffler, and prevent the heating of the muffler cover outside surface by radiating heat of the exhaust muffler. SOLUTION: A muffler cover 31 is constituted of a single front wall 31a covering the front face of an exhaust muffler 3, and an internal circumferential wall 31b and an outer circumferential wall 31c integrally continued in the circumferential edge of the front wall 31a and arranged double, inside and outside, so as to cover the circumferential face of the exhaust muffler 3, a cooling air introducing passage 33 is formed between the inside faces of the front wall 31a and the internal circumferential wall 31b and the outside face of the exhaust muffler 3, and a lot of heat radiating fins 35 are projected to the outside face of the front wall 31a.</p> |
