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公开(公告)号：US11251591B2
公开(公告)日：2022-02-15
申请号：US16286794
申请日：2019-02-27
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Ken Shirai , Akihiro Ueda , Yasuyuki Hirao , Toshiro Nakamura , Hiroaki Takeda
IPC: B23K26/06 , H02K15/00 , H02G1/12 , B23K26/082 , B23K26/362 , B23K26/402 , B23K26/0622 , B23K101/34 , B23K103/00 , B23K101/38
Abstract: An insulation film peeling method which radiates laser light onto a front end portion of an insulation film-coated conducting wire including a conducting wire and an insulation film in a longitudinal direction, and which peels a part of the insulation film up to a peeling boundary of a predetermined regulated peeling length, includes performing a rectilinear scan of a first region, in which a radiation position of the laser light moves from one side toward the other side and then moves from the other side toward the one side upon reaching the other side, and performing a unidirectional scan of a second region, in which the radiation of the laser light is performed from one side toward the other side and then the radiation position returns to the one side in a state in which the radiation of the laser light stops upon reaching the other side.
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公开(公告)号：US11031852B2
公开(公告)日：2021-06-08
申请号：US16269654
申请日：2019-02-07
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Kazushi Onda , Hiroaki Takeda
IPC: H02K15/00 , H02K1/16 , H02K3/12 , H02K15/02 , H02K3/32 , H02K15/10 , B23K26/24 , B21D5/02 , H02K1/27 , B23K101/36
Abstract: Manufacture of a stator clamps an intersection of two legs that are protruded from different slots provided in a stator core, that are adjacent to each other in a radial direction, and that intersect with each other without any other leading end located in a circumferential direction between their respective leading ends when being viewed in the radial direction. The manufacture then bends a leading end of an inner leg located on an inner side in the radial direction out of the clamped two legs, toward an outer circumferential side of the stator core, while bending a leading end of an outer leg located on an outer side in the radial direction, toward a shaft center side of the stator core.
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Patent Agency Ranking
公开(公告)号：US10986286B2
公开(公告)日：2021-04-20
申请号：US16704209
申请日：2019-12-05
Applicant: DENSO CORPORATION
Inventor： Yu Maeda , Hiroaki Takeda , Hirohiko Yanagawa
Abstract: An image creation device is provided with an image acquisition unit acquiring multiple captured images of a peripheral area, a detection unit detecting a three-dimensional object present in the peripheral area, a first conversion unit converting the multiple captured images into multiple individual overhead images to create a first conversion image by means of an overall overhead image, a second conversion unit creating a second conversion image in which an image captured from a virtual camera is converted in accordance with the conversion rule, the virtual camera being virtually arranged at a virtual position set on the vehicle such that a virtual optical axis direction faces the direction of the three-dimensional object, and a synthesis unit synthesizes the second conversion image on the first conversion image to create a synthesis image.
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公开(公告)号：US20190252957A1
公开(公告)日：2019-08-15
申请号：US16269654
申请日：2019-02-07
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Kazushi Onda , Hiroaki Takeda
CPC classification number: H02K15/0081 , B21D5/02 , B23K26/24 , B23K2101/36 , H02K1/16 , H02K3/12
Abstract: Manufacture of a stator clamps an intersection of two legs that are protruded from different slots provided in a stator core, that are adjacent to each other in a radial direction, and that intersect with each other without any other leading end located in a circumferential direction between their respective leading ends when being viewed in the radial direction. The manufacture then bends a leading end of an inner leg located on an inner side in the radial direction out of the clamped two legs, toward an outer circumferential side of the stator core, while bending a leading end of an outer leg located on an outer side in the radial direction, toward a shaft center side of the stator core.
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公开(公告)号：US11489423B2
公开(公告)日：2022-11-01
申请号：US16842312
申请日：2020-04-07
Applicant: DENSO CORPORATION
Inventor： Hiroaki Takeda , Hiroki Fujita
Abstract: An aligning apparatus, which is provided for aligning coil segments to form an aligned coil, includes a cylindrical jig and a hook jig. The cylindrical jig has an outer cylinder to surround a radially outer periphery of the aligned coil and an inner cylinder to be surrounded by a radially inner periphery of the aligned coil. The hook jig has hooks arranged in a radial fashion and is rotatable relative to the cylindrical jig in a radial direction. The cylindrical jig further has an inner entrance provided in the inner cylinder, an outer entrance provided in the outer cylinder, and at least one of an inner guide wall extending from a front opening edge of the inner entrance radially inward and backward in the rotational direction and an outer guide wall extending from a front opening edge of the outer entrance radially outward and backward in the rotational direction.
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公开(公告)号：US10951096B2
公开(公告)日：2021-03-16
申请号：US16369391
申请日：2019-03-29
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA , DENSO CORPORATION
Inventor： Daisuke Mizushima , Yasuyuki Hirao , Hiroaki Takeda
IPC: H02K15/00
Abstract: A method of producing a rotating electric machine stator includes an insertion step, bending step, and pressing step. In the insertion step, two leg portions of each U-shaped coil wire of a stator coil are inserted into different slots, such that protruding portions as distal end portions of the leg portions protrude in parallel with an axial direction of the stator core. In the bending step, the protruding portion of a first leg portion is bent in a first circumferential direction of the stator core, at a proximal end portion of the protruding portion as a bending start point, from a condition where the protruding portion protrudes from the slot in parallel with the axial direction of the stator core. In the pressing step, a distal end of the protruding portion bent in the first circumferential direction is pressed toward its proximal end in a second circumferential direction.
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公开(公告)号：US09300178B2
公开(公告)日：2016-03-29
申请号：US13934920
申请日：2013-07-03
Applicant: DENSO CORPORATION
Inventor： Toshimitsu Shiga , Hiroaki Takeda
Abstract: The stator of a vehicle-use electric rotating machine includes a stator core having slots formed along a circumferential direction thereof, segment conductors having a rectangular cross section and wound on the stator core such that each of the slots accommodates at least two of the segment conductors to form a stator winding, a sheet-like electric insulating member disposed in each of the slots so as to surround the segment conductors accommodated in the slot, the electric insulating member being formed with a plurality of projections projecting toward a wall surface of the slot, and a resin filled in each of the slots so as to impregnate into the electric insulating member.
Abstract translation: 车用旋转电机的定子包括具有沿其圆周方向形成的槽的定子铁芯，分段导体具有矩形横截面并缠绕在定子铁芯上，使得每个槽容纳至少两个分段导体 形成定子绕组，设置在每个槽中的片状电绝缘构件，以便围绕容纳在槽中的段导体，电绝缘构件形成有多个突起朝向槽的壁表面突出 和填充在每个槽中的树脂，以便浸渍到电绝缘构件中。
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