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公开(公告)号：US11952054B2
公开(公告)日：2024-04-09
申请号：US16969253
申请日：2018-05-22
发明人： Yoshihito Asao , Yoshihiko Onishi , Toyoaki Udo
IPC分类号： B62D5/04
CPC分类号： B62D5/0406 , B62D5/0424
摘要： There is provided an electric power steering apparatus in which at least one of a motor housing and a control unit has a respiratory apparatus that performs a respiratory action, based on an inner pressure change in at least one of the motor housing and the control unit.
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公开(公告)号：US11139715B2
公开(公告)日：2021-10-05
申请号：US16342076
申请日：2016-11-02
发明人： Yoshihiko Onishi , Tetsuya Iwata , Koji Tamura
摘要： A rotary electric machine includes: a floored cylindrical case in which an opening at a first end of a cylindrical portion is closed by a floor portion; a stator that includes: an annular stator core that is held inside the case by being fitted together with and fixed to the cylindrical portion; and coils that are mounted to the stator core; a frame that closes an opening at a second end of the cylindrical portion; and a rotor that is fixed to a rotating shaft, and that is disposed on an inner circumferential side of the stator, wherein: a first stress relieving indented portion is formed around an entire circumference at a first end of an inner circumferential surface of the cylindrical portion such that a gap is formed between a first end portion of an outer circumferential surface of the stator core and the cylindrical portion.
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公开(公告)号：US11970220B2
公开(公告)日：2024-04-30
申请号：US17049464
申请日：2018-05-22
发明人： Yoshihiko Onishi , Yoshihito Asao
CPC分类号： B62D5/0406 , B62D3/126 , B62D5/0424
摘要： There is provided an electric power steering apparatus in which a motor housing that contains motor constituent members and has a waterproofing function and a control unit case that contains control apparatus constituent members and has a waterproofing function are provided, in which an output axle of a motor extends to the outside of the motor housing while maintaining the waterproofing function, and in which a respiratory apparatus that performs a respiratory action, based on an inner pressure change, is provided in the motor housing.
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公开(公告)号：US10367397B2
公开(公告)日：2019-07-30
申请号：US15109744
申请日：2014-05-12
发明人： Yoshihiko Onishi , Yoshihito Asao
摘要： A controller-integrated rotary electric machine in which a controller is coupled to a rotary electric machine main unit using a simple coupling structure while ensuring endurance of the coupling is provided. The controller-integrated rotary electric machine includes: a first housing that houses a controller or a rotary electric machine main unit driven according to a command from the controller and that includes a thin-walled portion at an edge on an outer periphery side; and a second housing that is coaxially aligned with the first housing and has a groove in which an abutting face having a linearly inclined cross-sectional shape is formed from the outer periphery side toward a radial direction, wherein the first housing is joined to the second housing by folding the thin-walled portion of the first housing along the abutting face of the second housing and performing swaging.
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公开(公告)号：US10075037B2
公开(公告)日：2018-09-11
申请号：US15033681
申请日：2014-03-19
IPC分类号： H02K1/28 , G01B7/30 , G01D5/14 , H02K11/215 , B62D5/04 , H02K1/02 , G01D5/244 , G01D11/24 , H02K7/00 , H02K29/08
CPC分类号： H02K1/28 , B62D5/04 , G01B7/30 , G01D5/145 , G01D5/24423 , G01D11/245 , H02K1/02 , H02K7/003 , H02K11/215 , H02K29/08
摘要： An electric motor includes a cylindrical holder mounted to an end of a rotation shaft, a sensor magnet mounted to the holder, and a rotation sensor mounted at a position at which the rotation sensor opposes the sensor magnet in a direction of an axis of rotation and detecting a rotating field of the sensor magnet. The end of the rotation shaft has a cylindrical shape with a non-circular cross section formed of at least one plane and a curved surface in an outer peripheral portion. At least one of an inner peripheral portion and an outer peripheral portion of the holder forms a non-circular cross section formed of a plane parallel to the axis of rotation and a curved surface connected to the plane. The plane of the rotation shaft and the plane of the holder are parallel to each other and the curved surface of the rotation shaft and the curved surface of the holder are in contact with each other.
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公开(公告)号：US09444293B2
公开(公告)日：2016-09-13
申请号：US13935784
申请日：2013-07-05
摘要： In a rotary electric machine, a cylindrical stator core holding frame is cantilevered on a housing. A cylindrical stator core is fitted together and held inside the stator core holding frame. The stator core holding frame includes: a flange portion that is fixed to the housing; and a frame cylindrical portion that is coupled to the flange portion, and that holds the stator core. A thickness of the flange portion is greater than a thickness of the frame cylindrical portion.
摘要翻译： 在旋转电机中，圆柱形定子芯保持框架悬置在壳体上。 一个圆柱形定子铁心被装配在一起并保持在定子铁心夹持框架内。 定子铁芯保持框架包括：凸缘部分，其固定到壳体; 以及联接到所述凸缘部分并且保持所述定子芯的框架圆筒部分。 凸缘部的厚度大于框架筒部的厚度。
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公开(公告)号：US12074507B2
公开(公告)日：2024-08-27
申请号：US17789675
申请日：2020-04-16
发明人： Yoshihiko Onishi , Isao Sonoda
CPC分类号： H02K9/227 , H02K5/136 , H02K11/33 , H02K2211/03
摘要： A rotary electric machine in which a capacitor does not explode even if heat is generated in the capacitor, is provided. A heat sink includes a recess-shaped capacitor housing portion having an inner peripheral side surface joined to an outer peripheral side surface of a capacitor via a capacitor heat dissipation material, and the capacitor housing portion includes an explosion-proof valve recess located at a position facing an explosion-proof valve of the capacitor, and a communication passage providing communication between a drive circuit board and the explosion-proof valve.
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公开(公告)号：US11840290B2
公开(公告)日：2023-12-12
申请号：US16496653
申请日：2017-04-04
发明人： Yoshihiko Onishi , Toyoaki Udo
CPC分类号： B62D5/04 , H02K5/1732 , H02K7/083 , H02K9/227 , H02K11/225 , H02K11/33 , H02K24/00
摘要： In an electric power steering device in which a control unit and a motor are integrated, when the control unit is housed in a case, although a frame, by which the motor and the control unit are compartmentalized, is required, there have been problems in that the case is deformed by a pressure which influences the case when the frame is provided, and a position accuracy of a shaft center of a rotation shaft of the motor is worsened. Therefore, in order to reduce a deformation of the case, a step portion is provided at an inner wall surface of the case and the frame is contacted to the step portion, and moreover, a connecting portion is provided between an outer circumference portion of the frame and an inner circumference portion of the case, whereby a movement of the frame is restrained.
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公开(公告)号：US09525314B2
公开(公告)日：2016-12-20
申请号：US13886995
申请日：2013-05-03
摘要： In the rotary electric machine, a cylinder 04a of a ring component 04 is formed in such a way that a fitting outer surface 04c1 of the cylinder 04a of the ring component 04 is fitted to a fitting inner surface 02a of a first housing 02; a clearance value between the fitting outer surface of the cylinder and a fitting inner surface of the first housing is lower than a clearance value between an outer surface, in which the fitting outer surface is excepted, of the cylinder and an inner surface, in which the fitting inner surface is excepted, of the first housing; and a position in a diameter direction of a stator core 3 facing to the first housing is set by above-described fitting process.
摘要翻译： 在旋转电机中，环形零件04的圆筒04a形成为使得环形零件04的圆筒04a的配合外表面04c1装配到第一壳体02的装配内表面02a上; 缸体的配合外表面和第一壳体的配合内表面之间的间隙值低于气缸的外表面与外表面之间的间隙值，内表面之间的间隙值 装配内表面除第一外壳外; 并且通过上述装配处理来设定定子芯3的面向第一壳体的直径方向的位置。
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