| 摘要 |
The invention relates to an internal combustion engine ( 1 ) with at least one cylinder ( 2 ) with a reciprocating piston ( 4 ) coupled to a connecting rod ( 5 ) for rotating a crankshaft ( 6 ), with an engageable gear ( 8 ) that is comprised of a first gear shaft ( 12 ) that is driven by the crankshaft ( 6 ) through a belt-type stepless transmission ( 7 ) and of a second gear shaft ( 15 ) that is coupled to an intermediate shaft ( 18 ) for rotating a drive shaft ( 9 ), and with a balancer shaft ( 20 ) driven by the crankshaft ( 6 ), said crankshaft ( 6 ), first gear shaft ( 12 ), second gear shaft ( 15 ), intermediate shaft ( 18 ) and balancer shaft ( 20 ) being disposed in one common, multi-piece housing ( 24 ). For ease of manufacturing, machining and assembling, there is provided that at least five shafts selected from the group consisting of the crankshaft ( 6 ), the first gear shaft ( 12 ), the second gear shaft ( 15 ), the intermediate shaft ( 18 ) and the balancer shaft ( 20 ) be disposed in a first parting plane ( 21 ) of a first and a second housing piece ( 22, 23 ) of the housing ( 24 ).
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