| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a contra-rotating propeller capable of reliably and easily performing the incorporation of a bevel gear as a power transmission component and the tooth contact of its tooth flank. <P>SOLUTION: A propeller part 17 is provided at the lower end of a strut 11 which is provided downwardly, and a pinion shaft extending to the inside of the propeller part is provided inside the strut 11. An inner propeller shaft 14 for rotating an inner shaft propeller 18 and an outer propeller shaft 16 for rotating an outer shaft propeller 19 are coaxially provided in the transverse direction in the propeller part 17. A bevel pinion is provided at the lower portion of the pinion shaft, and a bevel wheel 13 for an inner shaft engaged with the bevel pinion is provided at the inner propeller shaft 14. A bevel wheel 15 for the inner shaft engaged with the bevel pinion is provided at the outer propeller shaft 16. A bearing housing for forming an opening part for incorporating and disassembling the bevel wheel 15 for the outer shaft and the bevel wheel 13 for the inner shaft is provided at front and rear ends of a gear case 22. <P>COPYRIGHT: (C)2007,JPO&INPIT |
