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公开(公告)号：US10654517B2
公开(公告)日：2020-05-19
申请号：US15757102
申请日：2017-02-16
发明人： Masao Fujimoto
IPC分类号： B62D5/04 , H02K5/04 , H02K9/02 , H02K11/00 , H02K11/24 , H02K11/30 , H02K11/33 , H02K11/215 , H02K9/22 , H02K5/22 , H02K5/18
摘要： Heat radiation base body 23 that is adjacent to electric motor unit EM and extends in direction of rotation shaft 50 of electric motor is provided close to rotation shaft 50 of electric motor. Board 24 of one electronic control unit of redundant system is fixed to heat radiation base body along direction in which heat radiation base body 23 extends with thermal conduction to heat radiation base body 23 allowed. Board 26 of the other electronic control unit of redundant system is fixed to heat radiation base body so as to face to board 24 of one electronic control unit of redundant system, with thermal conduction to heat radiation base body 23 allowed. Size reduction of electric drive device in radial direction can be achieved. Since heat radiates to housing of electric motor unit through heat radiation base body, heat from board can radiate efficiently to the outside.
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公开(公告)号：US10668943B2
公开(公告)日：2020-06-02
申请号：US15757571
申请日：2017-02-16
发明人： Masao Fujimoto
摘要： A heat radiation base body extending in a direction of a rotation shaft of an electric motor close to the rotation shaft is provided at an end surface of a motor housing accommodating the electric motor. A board of one electronic control unit of a redundant system is fixed to the heat radiation base body along the direction in which heat radiation base body extends with thermal conduction allowed. A board of the other electronic control unit of redundant system is fixed to the heat radiation base body along a direction in which the heat radiation base body extends, so as to face the board of one electronic control unit, with thermal conduction allowed. A cover covering these is fixed to an end surface of the motor housing without a bolt. Thus, a housing accommodating the electronic control unit is not necessary. A sealing part is only the connecting portion between the motor housing and cover, thereby eliminating additional structure of the sealing part, sealing component required for seal and bolt.
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公开(公告)号：US11597430B2
公开(公告)日：2023-03-07
申请号：US16846928
申请日：2020-04-13
发明人： Masao Fujimoto
IPC分类号： B62D5/04 , H02K11/24 , H02K5/04 , H02K11/215 , H02K11/30 , H02K11/33 , H02K9/02 , H02K9/22 , H02K11/00 , H02K5/22 , H02K5/18
摘要： Heat radiation base body 23 that is adjacent to electric motor unit EM and extends in direction of rotation shaft 50 of electric motor is provided close to rotation shaft 50 of electric motor. Board 24 of one electronic control unit of redundant system is fixed to heat radiation base body along direction in which heat radiation base body 23 extends with thermal conduction to heat radiation base body 23 allowed. Board 26 of the other electronic control unit of redundant system is fixed to heat radiation base body so as to face to board 24 of one electronic control unit of redundant system, with thermal conduction to heat radiation base body 23 allowed. Size reduction of electric drive device in radial direction can be achieved. Since heat radiates to housing of electric motor unit through heat radiation base body, heat from board can radiate efficiently to the outside.
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公开(公告)号：US09780619B2
公开(公告)日：2017-10-03
申请号：US14842061
申请日：2015-09-01
发明人： Masao Fujimoto
CPC分类号： H02K5/22 , B62D5/0406 , B62D5/0409 , B62D5/046 , H02K9/22 , H02K11/33
摘要： In construction of an electric drive device such as an electric power steering device or the like, there is employed a cylindrical metal housing that has therein in order first, second, third and fourth spaces coaxially arranged to respectively house therein a power circuit part, a power conversion circuit part, a control circuit part and an electric motor, a circular heat transfer metal substrate is arranged in the cylindrical metal housing between the first and second spaces and the circular heat transfer metal substrate has a cylindrical outer wall that is in contact with a cylindrical inner surface of the cylindrical metal housing, one flat surface to which a basal metal plate of the power circuit part is intimately connected and another flat surface to which a basal metal plate of the power conversion circuit part is intimately connected.
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5.发明授权Electrical connector assembly, electronic control unit using same, and electric power steering system therewith 有权电连接器组件，使用其的电子控制单元及其电动助力转向系统公开(公告)号：US09505427B2
公开(公告)日：2016-11-29
申请号：US14837062
申请日：2015-08-27
发明人： Masao Fujimoto
CPC分类号： B62D5/046 , B62D5/0406 , B62D5/0421 , H01R13/5216 , H01R43/005 , H01R2201/26
摘要： An electrical connector assembly, connected to a power source or a detection sensor through a cable, includes (a) a base body made of a synthetic resin, the base body having a bottom surface wall, a side surface wall standing up from a periphery of the bottom surface wall, and an interior space defined on the bottom surface wall and enclosed by the side surface wall; and (b) a connector body for achieving an electrical connection, the connector body extending from the bottom surface wall along the side surface wall through the interior space. The bottom surface wall of the base body has an inclined plane that is inclined in relation to a horizontal plane. The interior space of the base body is filled with a sealing agent by allowing the sealing agent to flow down on the inclined plane by gravity.
摘要翻译： 通过电缆连接到电源或检测传感器的电连接器组件包括：（a）由合成树脂制成的基体，所述基体具有底表面壁， 底表面壁和限定在底表面壁上并由侧表面壁包围的内部空间; 和（b）用于实现电连接的连接器主体，所述连接器主体从所述底表面壁沿着所述侧表面壁延伸穿过所述内部空间。 基体的底面壁具有相对于水平面倾斜的倾斜面。 通过允许密封剂通过重力在倾斜平面上向下流动，使基体的内部空间填充有密封剂。
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公开(公告)号：US10668944B2
公开(公告)日：2020-06-02
申请号：US15757587
申请日：2017-02-16
发明人： Masao Fujimoto , Keiji Hamada
摘要： An electric drive device has a motor housing accommodating an electric motor, a heat radiation base body fixed to an end surface, which is opposite side to an output shaft portion of a motor rotation shaft, of the motor housing and extending in a rotation shaft direction that is opposite side to output shaft portion, one electronic control unit of redundant system, arranged along direction in which heat radiation base body extends and having board, fixed to the heat radiation base body with thermal conduction to heat the radiation base body allowed, and the other electronic control unit of redundant system, arranged along direction in which the heat radiation base body extends and having a board, fixed to the heat radiation base body with thermal conduction to heat radiation base body allowed. Boards of both electronic control units are fixed to the heat radiation base body with boards slanting with respect to an extension direction of the heat radiation base body.
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公开(公告)号：US10044248B2
公开(公告)日：2018-08-07
申请号：US15542797
申请日：2016-01-29
发明人： Masao Fujimoto
摘要： In an electric driving apparatus and an electric power steering apparatus, an electronic control assembly is divided into a power-supply circuit unit mounted on a metal substrate, a power-conversion circuit unit mounted on a metal substrate, and a control circuit unit mounted on a resin substrate. A power-supply-connector wiring part, which supplies electric power from the power-supply circuit unit to the power-conversion circuit unit and the control circuit unit, and a signal-transmission-connector wiring part, which transmits signals to be input to or output from the control circuit unit, are embedded in a synthetic-resin connector terminal assembly arranged on an outer peripheral side of each of the metal substrates. Connector terminals of the power-supply-connector wiring part and the signal-transmission-connector wiring part, which are exposed from the connector terminal assembly, are directly connected to corresponding connectors of the power-supply circuit unit, the power-conversion circuit unit, and the control circuit unit.
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公开(公告)号：US10014745B2
公开(公告)日：2018-07-03
申请号：US15543002
申请日：2016-01-29
发明人： Masao Fujimoto
CPC分类号： H02K5/225 , B60R16/023 , B62D5/0406 , B62D5/046 , H02K5/02 , H02K5/10 , H02K11/33
摘要： The present invention is configured such that an electronic control assembly is divided into a power-supply circuit unit mounted on a metal substrate, a power-conversion circuit unit mounted on a metal substrate, and a control circuit unit mounted on a resin substrate; a power-supply-connector wiring part, which supplies electric power from the power-supply circuit unit to the power-conversion circuit unit and the control circuit unit, and a signal-transmission-connector wiring part, which transmits signals to be input to or output from the control circuit unit, are embedded in a connector terminal assembly; and connector terminals of the power-supply-connector wiring part and the signal-transmission-connector wiring part, which are exposed from the connector terminal assembly, are directly connected to the corresponding circuit units.
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公开(公告)号：US11052841B2
公开(公告)日：2021-07-06
申请号：US15757114
申请日：2017-02-16
发明人： Masao Fujimoto , Keiji Hamada , Tomio Sakashita
摘要： Heat radiation base body 23 that is adjacent to electric motor unit EM and extends in direction of rotation shaft of electric motor is provided close to rotation shaft of electric motor. Board 24 of one electronic control unit of redundant system is fixed to heat radiation base body along direction in which heat radiation base body 23 extends with thermal conduction to heat radiation base body 23 allowed. Board 26 of the other electronic control unit of redundant system is fixed to heat radiation base body so as to face to board 24 of one electronic control unit of redundant system, with thermal conduction to heat radiation base body 23 allowed. Rotation position detection circuit board 22 to which neutral terminals 31 of electric motor for each phase are connected is provided between heat radiation base body 23 and motor housing 20.
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公开(公告)号：US10251271B2
公开(公告)日：2019-04-02
申请号：US15542916
申请日：2015-09-09
发明人： Tomishige Yatsugi , Masao Fujimoto
摘要： A stress mitigation region is formed in which a predetermined number of stress mitigation holes penetrating through a wiring are disposed is formed in a proximity of a bonding portion of an electronic component via which the electronic component is bonded to the wiring with an electrically conductive bonding agent. Accordingly, even if a stress is generated in the wiring due to a heat, the stress mitigation holes are deformed so that the stress acted upon the electrically conductive bonding agent becomes small and a generation of cracks in the electrically conductive bonding agent can be suppressed. In addition, the stress mitigation holes are made circular so that concentrations of a current and the stress can be reduced and the generation of the cracks in the wiring can be suppressed.
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