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1.发明申请公开(公告)号：US20200052534A1
公开(公告)日：2020-02-13
申请号：US16529250
申请日：2019-08-01
发明人： Hiroki NAKANE , Takefumi KOMAKI , Masayuki IKEMOTO , Yoshinari NAKAGAWA , Minoru ANAI , Shinya SANO
摘要： A rotor for a rotary electric machine, the rotor including: a rotor core; a rotor shaft having a tubular shape, passing through a radially inner side of the rotor core to be coupled to the rotor core, and extending along an axial direction; an oil supply path that supplies oil to the rotor shaft, a portion to be lubricated that is disposed on a first axial side with respect to the rotor core, wherein one side in the axial direction is defined as the first axial side and another side in the axial direction is defined as a second axial side; and a lubrication oil path through which oil is supplied to the portion to be lubricated.
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公开(公告)号：US20200028412A1
公开(公告)日：2020-01-23
申请号：US16514367
申请日：2019-07-17
发明人： Masayuki IKEMOTO , Takuya KOMATSU , Takefumi KOMAKI , Hiroshi KATO , Satoshi MIYANAGA , Yoshinari NAKAGAWA , Tomohito ONO , Hiroto HASHIMOTO , Takashi MATSUMOTO
摘要： A structure for cooling a rotating electrical machine includes: an oil pump, a supply oil passage connected to a discharge port of the oil pump, and a first oil passage that is an oil passage located above a stator of the rotating electrical machine in a vertical direction and that has a supplied portion, a discharge hole, and a discharge portion. The supplied portion is connected to the supply oil passage. The discharge hole is formed on a first side in an axial direction, which is one side in the axial direction of the rotating electrical machine with respect to the supplied portion and is configured to discharge oil toward the stator. The discharge portion is formed on the first side with respect to the discharge hole. A second oil passage is formed inside a rotor shaft to which a rotor of the rotating electrical machine is fixed, and a third oil passage connects the discharge portion of the first oil passage and the second oil passage. The third oil passage is formed along a first wall of the case which is located on the first side with respect to the rotating electrical machine.
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公开(公告)号：US20200259380A1
公开(公告)日：2020-08-13
申请号：US16637530
申请日：2018-09-03
摘要： A rotor that includes a shaft; a rotor core that is attached to the shaft and that is configured of a plurality of electric steel plates that are stacked; and a permanent magnet that is embedded in the rotor core, wherein: a coolant supply port that supplies a coolant to the rotor core is provided in the shaft, and at least two electric steel plates of the plurality of electric steel plates each include a first portion that has a first thickness in a rotational axis direction and a second portion that has a second thickness in the rotational axis direction, which is thinner than the first portion, the second portion extending in a radial direction and configuring a flow path through which the coolant supplied from the coolant supply port of the shaft flows.
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