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公开(公告)号：US20160380521A1
公开(公告)日：2016-12-29
申请号：US15101765
申请日：2014-12-22
Applicant: Toyota Jidosha Kabushiki Kaisha
Inventor： Yukio TSUCHIYA , Hiroyuki HATTORI
CPC classification number: H02K15/085 , H02K1/04 , H02K1/165 , H02K3/325 , H02K3/345 , H02K3/522 , H02K15/10 , H02K15/12
Abstract: A stator includes a stator core and an insulator. The insulator includes a main body and a wall. An adhesive is attached to a portion of a triangular gap between the wall of the insulator and a yoke of the stator core. The adhesive is expandable, and adheres and fixes the insulator to the stator core by expanding to fill in the gap by being heated. Also, a stator manufacturing method includes attaching an adhesive to the wall of the insulator or an inside wall of the yoke, installing the insulator on a tooth, and heating the stator core and the insulator.
Abstract translation: 定子包括定子芯和绝缘体。 绝缘体包括主体和壁。 粘合剂附着在绝缘体的壁和定子芯的磁轭之间的三角形间隙的一部分上。 粘合剂是可膨胀的，并且通过膨胀将绝缘体粘附并固定到定子芯上，以通过加热填充间隙。 此外，定子制造方法包括将粘合剂附接到绝缘体的壁或轭的内壁，将绝缘体安装在齿上，以及加热定子芯和绝缘体。
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公开(公告)号：US20160111922A1
公开(公告)日：2016-04-21
申请号：US14882822
申请日：2015-10-14
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroyuki HATTORI , Shinji WAKAMATSU
IPC: H02K1/18
Abstract: A reinforcement component includes a ring part extending in a circumferential direction of a stator, and a plurality of protrusions arranged to be spaced from each other in the circumferential direction of the stator and each protruding beyond the ring part. Each of the protrusions of the reinforcement component is fixed between inner circumferential flanges of insulators adjacent in the circumferential direction of the stator. A plurality of teeth are connected with each other throughout a full circumference of the stator by means of the ring part of the reinforcement component, so that the ring rigidity of the stator can be improved.
Abstract translation: 增强部件包括沿定子的圆周方向延伸的环形部分，以及多个突出部，其布置成在定子的圆周方向上彼此间隔开，并且突出超过环形部分。 增强部件的每个凸起固定在与定子的圆周方向相邻的绝缘体的内周缘之间。 多个齿通过增强部件的环部分在定子的整个圆周上彼此连接，从而可以提高定子的环刚性。
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公开(公告)号：US20240195240A1
公开(公告)日：2024-06-13
申请号：US18473597
申请日：2023-09-25
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroyuki HATTORI , Kenta INUZUKA
IPC: H02K1/276
CPC classification number: H02K1/276
Abstract: The rotor includes (a) a cylindrical outer peripheral annular portion centered on the axis, an inner peripheral cylindrical portion provided on the inner peripheral side of the outer peripheral annular portion, and a plurality of connecting portions connecting the outer peripheral annular portion and the inner peripheral cylindrical portion, (b) the outer peripheral annular portion, a plurality of teeth protruding on the inner peripheral side at predetermined angular intervals centered on the axis C is provided, (c) between the plurality of teeth, N poles and S poles in the circumferential direction of the outer peripheral annular portion are arranged so as to alternately face each other, respectively, (d) the connecting portion, a tooth portion sandwiched either between the N poles or between the S poles of the permanent magnets in the circumferential direction, the inner peripheral cylindrical portion is provided only between.
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公开(公告)号：US20230100109A1
公开(公告)日：2023-03-30
申请号：US17881837
申请日：2022-08-05
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Takeshi KITAYAMA , Hiroyuki HATTORI
IPC: H02K1/276
Abstract: A rotary electric machine includes: a shaft that rotates about an axial direction; a rotor that is disposed around the shaft and that includes a rotor core and a plurality of magnets provided in the rotor core; a stator that is disposed around the rotor and that includes a stator core and a stator coil provided in the stator core; a magnetic flux short circuit plate that is disposed so as to face the rotor core in the axial direction and that moves in the axial direction; a biasing member that biases the magnetic flux short circuit plate to a side away from the rotor core; a holding member that holds the biasing member; and a fixing member that fixes the holding member to the shaft. Further, a strength of a material of the fixing member is higher than a strength of a material of the holding member.
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公开(公告)号：US20200044495A1
公开(公告)日：2020-02-06
申请号：US16444308
申请日：2019-06-18
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroyuki HATTORI
Abstract: An electric motor includes: a rotary shaft member rotating about an axis; a rotor including a rotor core and a magnet, the rotor core being provided on the rotary shaft member, the magnet being provided on the rotor core; and a stator including a stator core and a stator coil, the stator core having a plurality of slots formed in a circumferential direction, the stator core being disposed at an interval in a radial direction that is a direction orthogonal to an axial direction of the rotary shaft member with respect to the rotor core, the stator coil being inserted into the plurality of slots and wound around the stator core. Further, the stator coil includes a first conductor and a second conductor having a conductivity greater than a conductivity of the first conductor, and the second conductor is disposed in the slots.
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Patent Agency Ranking
公开(公告)号：US20190089216A1
公开(公告)日：2019-03-21
申请号：US16125147
申请日：2018-09-07
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Shinya SANO , Hiroyuki HATTORI , Yasuhide YAGYU , Takanori KADOTA
Abstract: A rotor of a rotating electric machine includes a rotor core, and a plurality of permanent magnets arranged in a two-layer structure having a first layer and a second layer, in the rotor core. Among the permanent magnets, first and second outermost permanent magnets located closest to each of opposite q-axes of each magnetic pole are located relative to each other, such that a radial position of an end portion on a q-axis side and a radially inner side in the first outermost permanent magnet that belongs to the first layer is spaced by a predetermined radial spacing from and is on a radially outer side of a radial position of an end portion on the q-axis side and a radially outer side in the second outermost permanent magnet that belongs to the second layer.
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公开(公告)号：US20180159408A1
公开(公告)日：2018-06-07
申请号：US15804566
申请日：2017-11-06
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroyuki HATTORI , Shinji WAKAMATSU , Shinya URATA
CPC classification number: H02K16/02 , H02K1/146 , H02K1/276 , H02K1/2786 , H02K21/12 , H02K21/14 , H02K21/22 , H02K2213/03
Abstract: A rotary electric machine includes: a stator including a stator core and a stator coil wound around the stator core; and an annular outer rotor including an outer core disposed around an outer periphery of the stator and a plurality of outer magnets arranged at intervals in a circumferential direction, in which the stator core has an annular yoke and a plurality of outer teeth protruding radially outward from an outer periphery of the yoke, the outer magnets are magnetized in the circumferential direction such that magnetization directions of the outer magnets adjacent to each other in the circumferential direction are opposite to each other in the circumferential direction, and a circumferential distance of a gap between the outer magnets adjacent to each other is 1.5 times or more a disposition pitch in the circumferential direction of the outer teeth.
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公开(公告)号：US20180145552A1
公开(公告)日：2018-05-24
申请号：US15801706
申请日：2017-11-02
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hiroyuki HATTORI
IPC: H02K1/27
CPC classification number: H02K1/2766
Abstract: A rotary electric machine includes a stator and a rotor. The rotor includes a rotor core and a plurality of permanent magnets. The permanent magnets are disposed to be divided into two layers, the two layers being a layer on the outer peripheral side and a layer on the inner peripheral side of the rotor core, and the permanent magnets are disposed line-symmetrically with respect to a magnetic pole center of the rotor core and in a V-shape or a U-shape in each of the two layers. An angle that each of the permanent magnets disposed on the outer peripheral side makes with the magnetic pole center of the V-shape or the U-shape is larger than an angle that each of the permanent magnets disposed on the inner peripheral side makes with the magnetic pole center of the V-shape or the U-shape.
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公开(公告)号：US20170370276A1
公开(公告)日：2017-12-28
申请号：US15631287
申请日：2017-06-23
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hideo NAKAI , Hiroyuki HATTORI , Toshinori OKOUCHI
Abstract: An estimator includes a model unit that calculates a state quantity by using an input signal and a relational expression that expresses a target model, a correction signal measurement sensor that measures a correction signal for correcting the state quantity, a correction unit that outputs a value for correcting the state quantity based on the correction signal to the model unit, and a model changing unit that changes the model unit in accordance with an oil flow related value that relates to a change of flow of cooling oil. The correction signal measurement sensor is arranged to be in contact with a metal member that includes a coil conductive wire that constitutes the stator coil, a terminal connected to the coil conductive wire, and a power line connected between the coil conductive wire and the terminal, at a point on which no cooling oil drops.
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公开(公告)号：US20170207673A1
公开(公告)日：2017-07-20
申请号：US15403815
申请日：2017-01-11
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hirofumi KINJO , Masahito SHIRAHASE , Toru WAKIMOTO , Takeshi TOMONAGA , Hiroyuki HATTORI
Abstract: A stator for a electric motor, the stator including: a stator core including a yoke having an annular shape, and a plurality of teeth protruding from an inner circumferential surface of the yoke in a stator radial direction; a stator coil wound around the teeth, the stator coil being configured to generate a rotating magnetic field as a current is applied thereto; and a cancel coil extending in a stator axial direction at positions on the inner circumferential side and the outer circumferential side relative to the yoke, the cancel coil being wound around the stator core so as to extend in the stator radial direction and traverse the yoke at positions outside the stator core in the stator axial direction, and constituting one or more closed circuits.
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