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简述液力偶合器的动力传递过程。
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简述液力偶合器的动力传递过程。
时间:2021-12-27 18:05
关键词:
汽车底盘电控技术
机动车维修技术
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工学
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泵轮接受发动机传来的机械能,在液体从泵轮叶片内缘向外缘流动的过程中,将能量传给油液,使其动能提高;然后再通过高速流动的油液冲击涡轮叶片,将动能传给涡轮。因此,液力偶合器实现传动的必要条件是油液在泵轮和涡轮之间有循环流动,而循环流动的产生是由于两个工作轮转速不等,使两轮叶片的外缘处产生液压差所致。故液力偶合器在正常工作时,泵轮转速总是大于涡轮转速。如果二者转速相等,则液力偶合器不起传动作用。
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简述液力偶合器的动力传递过程。
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