| 摘要 |
PROBLEM TO BE SOLVED: To improve the sealing property of a three-way joined portion having a liquid gasket interposed therein. SOLUTION: A first joined surface 3 is formed by joining upper and lower cases 1 and 2 constituting a crankcase 2 divided into upper and lower portions, and a second joined surface 22 is formed by laying the abutting surface 21 of a side cover 20 on top of side cover attaching surfaces 7 and 8 provided in the side faces of the upper and lower cases 1 and 2. These first and second joined surfaces 3 and 22 are orthogonal to each other, respectively provided with liquid gaskets 23, and in a three-way joined portion for connecting these, liquid reservoir recesses 10 crossing the first joined surface 3 are formed in the side cover attaching surfaces 7 and 8, and the liquid gaskets 23 staying therein are directly supplied to the first and second joined surfaces 3 and 22.
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