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公开(公告)号：US10742085B2
公开(公告)日：2020-08-11
申请号：US16276750
申请日：2019-02-15
发明人： Ken Noda , Shinya Sano , Hiroyuki Hattori , Masayuki Ikemoto
摘要： The rotor of the rotating electric machine includes the rotor shaft and the rotor core. The rotor shaft has the shaft refrigerant passage and the refrigerant supplying port on the outer peripheral surface of the rotor shaft, the shaft refrigerant passage extending in an axial direction, the refrigerant supplying port communicating with the shaft refrigerant passage. The rotor core has the rotor core refrigerant passage and the refrigerant receiving port on the inner peripheral surface of the rotor core, the rotor core refrigerant passage extending in the axial direction, the refrigerant receiving port communicating with the rotor core refrigerant passage and facing the refrigerant supplying port of the rotor shaft. A clearance groove part is provided at a portion that is on the inner peripheral surface of the rotor core and that faces the refrigerant supplying port of the rotor shaft, the clearance groove part extending in the axial direction.
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公开(公告)号：US20190260248A1
公开(公告)日：2019-08-22
申请号：US16276750
申请日：2019-02-15
发明人： Ken Noda , Shinya Sano , Hiroyuki Hattori , Masayuki Ikemoto
摘要： The rotor of the rotating electric machine includes the rotor shaft and the rotor core. The rotor shaft has the shaft refrigerant passage and the refrigerant supplying port on the outer peripheral surface of the rotor shaft, the shaft refrigerant passage extending in an axial direction, the refrigerant supplying port communicating with the shaft refrigerant passage. The rotor core has the rotor core refrigerant passage and the refrigerant receiving port on the inner peripheral surface of the rotor core, the rotor core refrigerant passage extending in the axial direction, the refrigerant receiving port communicating with the rotor core refrigerant passage and facing the refrigerant supplying port of the rotor shaft. A clearance groove part is provided at a portion that is on the inner peripheral surface of the rotor core and that faces the refrigerant supplying port of the rotor shaft, the clearance groove part extending in the axial direction.
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公开(公告)号：US20190199148A1
公开(公告)日：2019-06-27
申请号：US16209305
申请日：2018-12-04
发明人： Hiroyuki Hattori , Ken Noda
摘要： A rotor includes a rotor core that is formed by stacking a plurality of steel plates each of which has an opening; a magnet that is inserted in a magnet hole formed by disposing the openings such that the openings overlap each other; and a magnetic plate that is disposed between an inner wall defining the magnet hole and the magnet so as to prevent contact between the inner wall defining the magnet hole and the magnet. At least a contact portion of the magnetic plate is subjected to an insulating process, the contact portion of the magnetic plate contacting the magnet.
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公开(公告)号：US10116175B2
公开(公告)日：2018-10-30
申请号：US15265147
申请日：2016-09-14
发明人： Ken Noda , Hiroyuki Hattori
摘要： A stator and a rotary electric machine include a stator core including a plurality of stacked annular electromagnetic steel plates with coupling portions. The coupling portions are arranged with a pitch of an integral multiple of a central angle. The central angle is defined as an angle between two adjacent magnetic poles of the same polarity relative to a rotational center of the rotor. When a number of the coupling portions is an odd number, fixing portions are arranged with the same pitch as the pitch of the coupling portions, or with a pitch corresponding to a divisor of the pitch of the coupling portions. When a number of the coupling portions is an even number, the fixing portions are arranged with a pitch corresponding to a divisor of the pitch of the coupling portions, or a divisor of 180°.
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公开(公告)号：US10707709B2
公开(公告)日：2020-07-07
申请号：US16209305
申请日：2018-12-04
发明人： Hiroyuki Hattori , Ken Noda
摘要： A rotor includes a rotor core that is formed by stacking a plurality of steel plates each of which has an opening; a magnet that is inserted in a magnet hole formed by disposing the openings such that the openings overlap each other; and a magnetic plate that is disposed between an inner wall defining the magnet hole and the magnet so as to prevent contact between the inner wall defining the magnet hole and the magnet. At least a contact portion of the magnetic plate is subjected to an insulating process, the contact portion of the magnetic plate contacting the magnet.
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