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公开(公告)号：US10758318B2
公开(公告)日：2020-09-01
申请号：US15500310
申请日：2015-07-30
申请人： NAKANISHI INC.
发明人： Akito Nakamura
IPC分类号： A61C1/06 , A61C1/02 , H02K5/15 , H02K29/03 , H02K29/00 , A61C1/00 , A61C1/08 , H02K21/12 , H02K3/24 , H02K1/27 , H02K1/12 , H02K3/47
摘要： Provided are an electric motor that enables to achieve downsizing while securing performance, and a dental device that includes the electric motor. A brushless slotless electric motor 10 includes: a stator 3 that includes a stator core 301 and a plurality of coils 31 to 33, the plurality of coils 31 to 33 being disposed at an inside of the stator core 301; and a rotor 2 that includes a shaft 21 and a magnet 22, the rotor 2 being rotated around the shaft 21 with respect to the stator 3. The plurality of coils 31 to 33 are adjacent to each other in a rotation direction of the rotor 2 so as not to lap mutually. Lf
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公开(公告)号：US20170215990A1
公开(公告)日：2017-08-03
申请号：US15329724
申请日：2015-07-30
申请人： NAKANISHI INC.
发明人： Akito Nakamura
摘要： An electric motor that enables to promote a further downsizing and performance enhancement, and a dental device that includes the electric motor. A brushless slotless electric motor 10 includes: a stator 3 that includes a stator core 301 and a plurality of coils 31 to 33 disposed inside of the stator core 301; a rotor 2 that includes a shaft 21, the rotor 2 being rotated around the shaft 21 with respect to the stator 3; and a medium pathway 40 through which a medium passes, the medium being supplied for actualizing a function of a dental handpiece 9A to which the electric motor 10 is applied. The plurality of coils 31 to 33 are adjacent to each other in a rotation direction of the rotor 2 so as not to lap mutually. The medium pathway 40 is disposed between the adjacent coils 31 to 33.
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公开(公告)号：US09468503B2
公开(公告)日：2016-10-18
申请号：US14032583
申请日：2013-09-20
申请人： NAKANISHI INC.
摘要： A drive motor of a dental handpiece for driving a cutting tool of the handpiece is provided that is connected to the dental handpiece on its front end side and includes a cylindrical casing; a rotor unit, which is rotatably supported inside the casing and outputs a driving force; a stator unit provided around the rotor unit inside the casing; and an air path which causes cooling air supplied from the rear end side of the drive motor to pass through an airtight cooling room circumferentially extending between the stator unit and the casing, and to be discharged from the rear end side.
摘要翻译： 提供用于驱动所述手持件的切割工具的牙齿手柄的驱动马达，所述驱动马达在其前端侧连接到所述牙齿手柄，并且包括圆筒形壳体; 转子单元，其被可旋转地支撑在壳体内并输出驱动力; 设置在所述壳体内的转子单元周围的定子单元; 以及从驱动马达的后端侧供给的冷却空气通过在定子单元与壳体之间周向延伸的气密性冷却室的空气路径，并从后端侧排出。
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公开(公告)号：US10478268B2
公开(公告)日：2019-11-19
申请号：US15329724
申请日：2015-07-30
申请人： NAKANISHI INC.
发明人： Akito Nakamura
摘要： An electric motor that enables to promote a further downsizing and performance enhancement, and a dental device that includes the electric motor. A brushless slotless electric motor 10 includes: a stator 3 that includes a stator core 301 and a plurality of coils 31 to 33 disposed inside of the stator core 301; a rotor 2 that includes a shaft 21, the rotor 2 being rotated around the shaft 21 with respect to the stator 3; and a medium pathway 40 through which a medium passes, the medium being supplied for actualizing a function of a dental handpiece 9A to which the electric motor 10 is applied. The plurality of coils 31 to 33 are adjacent to each other in a rotation direction of the rotor 2 so as not to lap mutually. The medium pathway 40 is disposed between the adjacent coils 31 to 33.
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公开(公告)号：US20170215991A1
公开(公告)日：2017-08-03
申请号：US15500310
申请日：2015-07-30
申请人： NAKANISHI INC.
发明人： Akito Nakamura
摘要： Provided are an electric motor that enables to achieve downsizing while securing performance, and a dental device that includes the electric motor. A brushless slotless electric motor 10 includes: a stator 3 that includes a stator core 301 and a plurality of coils 31 to 33, the plurality of coils 31 to 33 being disposed at an inside of the stator core 301; and a rotor 2 that includes a shaft 21 and a magnet 22, the rotor 2 being rotated around the shaft 21 with respect to the stator 3. The plurality of coils 31 to 33 are adjacent to each other in a rotation direction of the rotor 2 so as not to lap mutually. Lf
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