| 摘要 |
The invention relates to a crankshaft for a reciprocating internal combustion engine, with the crankshaft having a crankpin (11) with an eccentric sleeve (10), through the rotation of which relative to the crankpin the effective stroke of a crankshaft can be modified. Sleeve (10) can be locked in two positions separated by 180° by means of two locking elements (7, 14). The locking elements are arranged in the crankshaft and are supplied with a hydraulic fluid via feed lines (2, 4), which likewise extend in the crankshaft. A feed line (3) for a fluid can furthermore be provided, this being passed to the inner surface of the sleeve (10) in such a way that a torque about the crankpin (11) can be exerted on said sleeve.
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