| 摘要 |
PURPOSE: An intermediate drive shaft for an ocean propulsion system is provided to largely reduce stress level at the tip of a slit and to obtain a design for an interesting and light engine plant with a torsion flexible middle shaft. CONSTITUTION: An intermediate drive shaft(5) for an ocean propulsion system connects a large 2-stroke internal combustion engine to load, in particular a propeller shaft. The longitudinal shaft is extended along a longitudinal shaft from a proximal end(10) for connecting the engine to a tip unit(11) for connecting the load. At least a portion of the length of the middle shaft between the proximal end and the tip unit is formed by at least two members(16) arranged symmetrically to the longitudinal shaft of the middle shaft in the radial direction, substantially, extended parallel to the longitudinal shaft.
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