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公开(公告)号：US20170104377A1
公开(公告)日：2017-04-13
申请号：US15290719
申请日：2016-10-11
Applicant: DENSO CORPORATION
Inventor： Yuichi KUDOSE , Takefumi KAJI
Abstract: An electric conductor is provided for forming a coil upon being bent. The electric conductor includes a pair of electric conductor wires and an insulating coat. The electric conductor wires each have a substantially rectangular cross section and are arranged in alignment with each other in an alignment direction. The alignment direction is perpendicular to corresponding sides of the substantially rectangular cross sections of the electric conductor wires; the corresponding sides have the same length. The insulating coat is formed on outer peripheral surfaces of the electric conductor wires. The insulating coat has a thick portion formed at a boundary between the electric conductor wires. The thick portion is thicker than and protrudes outward from other portions of the insulating coat which adjoin the thick portion in a circumferential direction of the electric conductor.
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公开(公告)号：US20190334397A1
公开(公告)日：2019-10-31
申请号：US16507481
申请日：2019-07-10
Applicant: DENSO CORPORATION
Inventor： Takefumi KAJI , Atsuo ISHIZUKA
Abstract: A stator for a rotating electric machine has a stator core provided with a plurality of slots arranged in a circumferential direction of the stator core, and a stator winding that is wound around the slots.The stator winding is configured of a plurality of covered conductor linear portions. The covered conductor linear portions are each provided with an exposed portion formed on an end. The plurality of covered conductor linear portions are each joined to another covered conductor linear portion at the exposed portion, and the conductor joined portion is covered by an insulator at least in a range that includes an end portion of the insulation cover. The insulation cover covers the conductor, in an adhered state there to, and has a low-adhesion portion that that is either adhesive-free or has a lower adhesive strength than other parts on the conductor and is distanced from an end portion.
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公开(公告)号：US20160086691A1
公开(公告)日：2016-03-24
申请号：US14852019
申请日：2015-09-11
Applicant: DENSO CORPORATION , UNIMAC LTD.
Inventor： Takefumi KAJI , Shinsuke SUGIURA , Kazuomi HIRAI , Yumi NAKANE , Tatsumi HIRANO , Yasunari ASHIDA
Abstract: According to one embodiment, an insulated wire is disclosed. The insulated wire includes an aluminum conductor, and a first insulating film provided on the aluminum conductor. The first insulating film is made of a first polyimide obtained by reacting an acid component containing 50 mol % to 90 mol % of 3,3′,4,4′-biphenyl tetracarboxylic acid dianhydride, 5 mol % to 20 mol % of 3,3′,4,4′-benzophenone tetracarboxylic acid dianhydride, and 5 mol % to 40 mol % of pyromellitic anhydride with a diamine component containing 4,4′-diaminodiphenyl ether.
Abstract translation: 根据一个实施例，公开了绝缘电线。 绝缘线包括铝导体和设置在铝导体上的第一绝缘膜。 第一绝缘膜由第一聚酰亚胺制成，其通过使含有50摩尔％至90摩尔％的3,3'，4,4'-联苯四羧酸二酐，5摩尔％至20摩尔％3的酸组分， 3'，4,4'-二苯甲酮四羧酸二酐和5mol％至40mol％的均苯四酸酐与含有4,4'-二氨基二苯醚的二胺组分。
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4.发明公开公开(公告)号：US20240312668A1
公开(公告)日：2024-09-19
申请号：US18675802
申请日：2024-05-28
Inventor： Katsumi OSADA , Michiaki YAMAHATA , Hideo FUKUDA , Takefumi KAJI , Yuki TAKAHASHI , Eiji KIBA
Abstract: An insulated wire includes an assembled conductor obtained by assembling or twisting a plurality of strands; an insulating layer coating an outer periphery of the assembled conductor; and a filler region that fills a space between the strands and a space between the strands and the insulating layer and includes a thermoplastic resin.
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