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1. 发明授权

US5346033A Power transmission apparatus for vehicle 失效
标题翻译：车辆动力传动装置
公开(公告)号：US5346033A
公开(公告)日：1994-09-13
申请号：US823203
申请日：1992-01-21
申请人： Ichiro Okabe , Satoshi Kawai , Hideki Higashira , Hirakushi Suzou
发明人： Ichiro Okabe , Satoshi Kawai , Hideki Higashira , Hirakushi Suzou
IPC分类号： B60K17/35 , B60K23/08
CPC分类号： B60K17/3505 , B60K23/0808
摘要： A power transmission apparatus for vehicle capable of obtaining a plurality of transmission characteristics by moving spools of variable throttle member 6 according to controlling current flowing to a driving coil 7 by steps, wherein a spool chamber 60 housing a first and second spools 61, 62 therein is communicated with discharge side of a vane pump 3 according to first and second communicating holes 54, 55. And by controlling current flowing to the driving coil 7 by steps, two kinds of magnetic fields, intense and weak are formed in the spool chamber 60. In the case where the first spool 61 moves to the position where it is contacted with the inside end of the spool chamber 60 by the action of the weak magnetic field, it closes an opening end of one communicating hole 54, and in the case where the second spool 62 moves to the position where it is contacted with the first spool 61, it opens an opening end of the other communicating hole 55. Three kinds of different transmission characteristics are obtained in the above mentioned cases and case of current cutoff, and the positions of the first and second spools 61, 62 do not vary in the respective cases. Thereby, positional variation caused at, spools are prevented and the respective transmission characteristics are stabilized.
摘要翻译：一种用于车辆的动力传递装置，其能够通过根据通过步进流向驱动线圈7的电流来移动可变节流部件6的卷轴来获得多个传动特性，其中，在其中容纳第一和第二卷轴61,62的卷轴室60 根据第一和第二连通孔54,55与叶片泵3的排出侧连通。通过控制流过驱动线圈7的电流，通过步进，在卷筒室60中形成两种强度和弱的磁场在第一卷轴61通过弱磁场的作用移动到与卷筒室60的内端接触的位置的情况下，封闭一个连通孔54的开口端，在该情况下其中第二卷轴62移动到与第一卷轴61接触的位置，它打开另一个连通孔55的开口端。三种不同的传输特征在上述情况和电流截止的情况下获得了特征，并且在各种情况下第一和第二线轴61,62的位置都不变化。由此，防止在线轴处产生的位置变化，并且各自的传输特性稳定。

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