| 摘要 |
PURPOSE:To carry out effective cooling of lubricating oil by molding a heat pipe, which has a heating part inside, and a radiating part outside of a cover body, in an integrated form with said cover body of a gear case. CONSTITUTION:A gear case 4 consists of a main body 4A in which a driving shaft 2, driving axle 3, and reduction gears are provided, and a cover body 4B for assembling and inspecting, which is provided so as to cover the opening of the main body. On the underside of this cover body 4B, is provided a vacant space part 5, which opens to the inside of the main body 4A. A heat pipe 6, which is molded in an integrated form with the cover body 4B, runs through the mutually opposite side walls 4C of the cover body 4B. And, the middle part 6A as a heating part of the heat pipe 6 is positioned in the vacant space part 5, and end parts 6B as rediating parts are projected out of the cover body 4B. |
