Rear Power Take-Off (RPTO)
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| 图 1 | g00766684 |
后动力输出装置(典型图例) | |
后动力输出装置(RPTO)(如有配备)是飞轮壳整体的组成部分。 后动力输出装置通过以下直接驱动齿轮提供持续动力。
- 后曲轴齿轮
- 惰齿轮
- 输出轴
这些齿轮通过曲轴后端驱动。 有传动比为1.3:1和1.15:1的RPTO可供选用。 发动机的长度约增加89 mm (3.5 inch)。 发动机的重量大约增加73 kg (161 lb)。
齿轮系和花键的的设计有能力在整个发动机柱塞范围承受一直到1108 N·m (817 lb ft)的扭矩。 曲轴每转一圈，1.3:1 RPTO输出轴将旋转1.3圈。 曲轴每转一圈，1.15:1 RPTO输出轴将旋转1.15圈。 输出轴端隙有一个旋转的止推片和两个固定的液力止推垫圈控制。
通过飞轮壳和轴内的钻孔油道通过的机油来润滑所有轴承和止推表面。 RPTO的齿面有飞溅的机油润滑。 每必要对RPTO进行额外的预防性保养或调整。
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