| 摘要 |
A liquid cooled multi-cylinder internal combustion engine comprises a crankcase which extends above the crankshaft axis and a cylinder block which is fixed to the upper edge of the crankcase by means of a connecting flange arranged on the cooling jacket. The engine has two-part crankshaft main bearings which are connected to the cylinder block by means of through bolts. The cooling jacket of the cylinder block is shorter than the cylinder liners, and adjacent to the cooling jacket and extending to the end of the cylinder liners downward opening conduits are formed which are communicating with each other. These conduits are tightly covered by a cover plate, which is arranged between the lower end of the cylinder block and the upper bearing parts and serve for the oil supply, especially of the crankshaft main bearings of the engine.
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