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公开(公告)号：US12237734B2
公开(公告)日：2025-02-25
申请号：US17623514
申请日：2020-06-26
Applicant: SINFONIA TECHNOLOGY CO., LTD.
Inventor： Shunya Watanabe , Nobuo Aruga , Mamoru Kosaki , Masayasu Kayukawa
Abstract: It is possible to reduce a rise in temperature of a rotor by reducing the temperature of a stator. The motor 1 includes a stator 5, and a rotor 4, which is disposed with a gap from the stator 5, being arranged in a housing 2, in which the stator 5 is provided with an annular yoke and a plurality of teeth protruding from an inner peripheral portion of the yoke toward the rotor 4; slots in which coils 6 wound around the teeth are arranged are respectively formed between the teeth that are adjacent to each other; a mold resin portion 30 in which the stator 5 and the coils 6 are molded is provided; the mold resin portion 30 includes a flow path 32 formed within at least one slot among a plurality of slots; and the flow path 32 is supplied with a cooling medium.
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公开(公告)号：US20220360152A1
公开(公告)日：2022-11-10
申请号：US17623514
申请日：2020-06-26
Applicant: SINFONIA TECHNOLOGY CO., LTD.
Inventor： Shunya Watanabe , Nobuo Aruga , Mamoru Kosaki , Masayasu Kayukawa
Abstract: It is possible to reduce a rise in temperature of a rotor by reducing the temperature of a stator. The motor 1 includes a stator 5, and a rotor 4, which is disposed with a gap from the stator 5, being arranged in a housing 2, in which the stator 5 is provided with an annular yoke and a plurality of teeth protruding from an inner peripheral portion of the yoke toward the rotor 4; slots in which coils 6 wound around the teeth are arranged are respectively formed between the teeth that are adjacent to each other; a mold resin portion 30 in which the stator 5 and the coils 6 are molded is provided; the mold resin portion 30 includes a flow path 32 formed within at least one slot among a plurality of slots; and the flow path 32 is supplied with a cooling medium.
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