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公开(公告)号：US10594194B2
公开(公告)日：2020-03-17
申请号：US15993693
申请日：2018-05-31
申请人： FANUC CORPORATION
发明人： Shinobu Takano , Takafumi Kajiya , Hisashi Maeda
摘要： A rotor includes a rotary member; a plurality of permanent magnets disposed in an outer circumference of the rotary member; a holding member that is provided on an outer circumferential surface of the permanent magnets to hold the permanent magnets, the holding member having a cylindrical shape formed of a fiber reinforced plastic; and cover members that cover at least both end portions of a longitudinal direction D1 of the holding member.
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公开(公告)号：US10749393B2
公开(公告)日：2020-08-18
申请号：US15993692
申请日：2018-05-31
申请人： FANUC CORPORATION
摘要： A rotor includes a rotary member, a plurality of permanent magnets disposed on an outer circumference of the rotary member, and a cover tube that is mounted to outer circumference of the permanent magnets to cover the permanent magnets, and is formed of a fiber reinforced plastic. At least one of the rotary member and the permanent magnets has a diameter enlarged portion having a diameter enlarged circumferential surface. The diameter enlarged portion has a diameter that enlarges from a first diameter region to a second diameter region. The first diameter region has a diameter equal to or less than an inner diameter of the cover tube. The second diameter region has a diameter equal to or more than an outer diameter of the permanent magnets.
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公开(公告)号：US11233430B2
公开(公告)日：2022-01-25
申请号：US16703215
申请日：2019-12-04
申请人： Fanuc Corporation
发明人： Katsuhiro Saigusa , Takafumi Kajiya , Kenji Kawai
摘要： A rotor of a synchronous motor is provided with a plurality of magnets fixed to an outer circumferential surface of a rotor core, and a reinforcement member having a cylindrical shape. An interposition member is disposed between the magnet and the reinforcement member. The magnet includes an outer circumferential surface whose center portion in the circumferential direction bulges outward. The interposition member is formed so as to cover the entire outer circumferential surface of the magnet. An outer circumferential surface of the interposition member has a circular shape when cutting along a plane perpendicular to a rotation axis, and is in close contact with an inner circumferential surface of the reinforcement member.
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公开(公告)号：US10903703B2
公开(公告)日：2021-01-26
申请号：US16147597
申请日：2018-09-29
申请人： FANUC CORPORATION
摘要： A rotor includes: a rotary member; a plurality of permanent magnets arranged on an outer circumferential side of the rotary member; and a cover tube provided on an outer circumferential surface side of the plurality of the permanent magnets, and formed by a tape-like fiber bundle in which a plurality of thread-like fibers aligned in one direction is bundled smoothly by resin, in which the cover tube is formed so that the tape-like fiber bundle circles in a spiral pattern along the circumferential direction, and the tape-like fiber bundle arranges along the axial direction, and a circling-start end face and a circling-end end face of the tape-like fiber bundle face the axial direction of the cover tube.
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公开(公告)号：US20180068776A1
公开(公告)日：2018-03-08
申请号：US15696296
申请日：2017-09-06
申请人： FANUC CORPORATION
发明人： Takuya Maeda , Masatomo Shirouzu , Takafumi Kajiya
IPC分类号： H01F27/255 , H01F27/26 , H01F41/02 , H01F37/00 , H01F27/32
摘要： A reactor includes a core body; a first end plate and a second end plate which sandwich and fasten the core body; and a plurality of axis portions disposed in the vicinity of an outer edge portion of the core body or outward of the core body and supported by the first end plate and the second end plate.
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公开(公告)号：US10707711B2
公开(公告)日：2020-07-07
申请号：US16100237
申请日：2018-08-10
申请人： FANUC CORPORATION
发明人： Shinobu Takano , Hisashi Maeda , Takafumi Kajiya
摘要： A rotor includes: a rotating member; a permanent magnet arranged in a plurality of rows along a circumferential direction of the rotating member and divided into a plurality of parts in a rotational axis direction X of the rotating member; and a cover tube divided into a plurality of parts in the rotational axis direction of the rotating member and covering an outer circumferential surface of the permanent magnet, the cover tube being formed of a fiber-reinforced plastic, wherein the plurality of permanent magnets in each row are arranged in an oblique direction with respect to the rotational axis direction of the rotating member, and the permanent magnets adjacent to the arrangement direction are disposed to be skewed in the circumferential direction, and at least one of the divided cover tubes covers an outer circumferential surface of one of the divided permanent magnets in the circumferential direction of the rotating member.
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公开(公告)号：US20200185989A1
公开(公告)日：2020-06-11
申请号：US16703215
申请日：2019-12-04
申请人： Fanuc Corporation
发明人： Katsuhiro Saigusa , Takafumi Kajiya , Kenji Kawai
摘要： A rotor of a synchronous motor is provided with a plurality of magnets fixed to an outer circumferential surface of a rotor core, and a reinforcement member having a cylindrical shape. An interposition member is disposed between the magnet and the reinforcement member. The magnet includes an outer circumferential surface whose center portion in the circumferential direction bulges outward. The interposition member is formed so as to cover the entire outer circumferential surface of the magnet. An outer circumferential surface of the interposition member has a circular shape when cutting along a plane perpendicular to a rotation axis, and is in close contact with an inner circumferential surface of the reinforcement member.
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公开(公告)号：US10580565B2
公开(公告)日：2020-03-03
申请号：US15696296
申请日：2017-09-06
申请人： FANUC CORPORATION
发明人： Takuya Maeda , Masatomo Shirouzu , Takafumi Kajiya
摘要： A reactor includes a core body; a first end plate and a second end plate which sandwich and fasten the core body; and a plurality of axis portions disposed in the vicinity of an outer edge portion of the core body or outward of the core body and supported by the first end plate and the second end plate.
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