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61. 发明授权

US5127485A Electric motorized wheel with integral motorized cooling oil pump 失效
标题翻译：电动轮与电动冷却油一体机
公开(公告)号：US5127485A
公开(公告)日：1992-07-07
申请号：US369337
申请日：1989-06-21
申请人： Satoru Wakuta , Yukihiro Minezawa , Shinichi Otake , Yutaka Hotta
发明人： Satoru Wakuta , Yukihiro Minezawa , Shinichi Otake , Yutaka Hotta
IPC分类号： B60K7/00 , B60K17/04 , B62B5/00 , H02K9/19
CPC分类号： B60K7/0007 , H02K9/19 , B60K17/046 , B60K2007/0038 , B60K2007/0092 , B62B5/004
摘要： An electric motor equipped with a cooling apparatus in which an oil reservoir (2b) filled with a cooling oil is provided in the lower portion of a casing (1). Provided in the casing is at least a portion of an oil passageway (2f, 4c, 28) which communicates with the oil reservoir (2b) and which opens within the casing (1) above and below a coil (6d) of the motor. The oil casing is internally provided with an oil pump (27) which causes the cooling oil to flow through the oil passageway (2f, 4c, 28). Accordingly, the cooling apparatus, which comprises the oil reservoir (2b), at least a portion of the oil passageway (2f, 4c, 28) and the oil pump (27), is provided within the casing (1) of the electric motor and integrated therewith. As a result, the electric motor is made more compact overall despite the provision of the cooling apparatus. Since the coil (6d) of the motor is positively cooled by the cooling apparatus, a large current can be passed through the coil. This enables the electric motor to generate a high output torque.
摘要翻译：一种配备有冷却装置的电动机，其中在壳体（1）的下部设置有填充有冷却油的储油器（2b）。在壳体中设置有至少一部分与储油器（2b）连通并且在壳体（1）内在马达的线圈（6d）的下方开口的油通道（2f，4c，28）的一部分。油箱内部设置有使油冷却油流过油通道（2f，4c，28）的油泵（27）。因此，在电动机的壳体（1）内设置包括储油部（2b）的油路（2f，4c，28）和油泵（27）的至少一部分的冷却装置并与其集成。结果，尽管设置了冷却装置，电机整体也更加紧凑。由于电动机的线圈（6d）被冷却装置可靠地冷却，所以可以使大的电流通过线圈。这使得电动机能够产生高的输出转矩。

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