| 摘要 |
PROBLEM TO BE SOLVED: To reduce suction sound and prevent the suction of foreign matters of a centrifugal type air blower 17, in a backpacking type engine blower 10. SOLUTION: In this centrifugal type air blower 17, the suction air port 20 is loaded and fixed to a horizontal part 13 by directing it to a standing part 12 side, while leaving a specific longitudinal clearance 15 between the standing part 12 of a back-packing frame 11. A covering body 25 is fixed to the back- packing frame 11 by screws 40 and 41, by fitting the screws 40 and 41 to the horizontal part 13 and the standing part 12, while making a solid sheet member 27 in the planner type, and a suction space 42 is placed at the inner side. The suction space 42 is planned to form at its front side and rear side by the wall surface of the standing part 12, and a centrifugal type air blower 17, respective, at the lower side by a bending part 21, at the left and the right sides by a suction sound member 19, and at the upper side by a through hole part 30, respectively. The mesh of the through hole part 30 is made to prevent the passage of the foreign matters such as dead leaves. |
