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公开(公告)号：US20240136886A1
公开(公告)日：2024-04-25
申请号：US18547506
申请日：2021-06-08
申请人： NIDEC CORPORATION
发明人： Ayumi NAKAGAWA , Hiroki AKAISHI , Yusuke MAKINO
摘要： For example, a drive motor module capable of suppressing resonance of an inverter cover due to vibration from a motor or the like is provided. A drive motor module 1 includes a motor, an inverter electrically connected to the motor, a housing that houses the motor and the inverter, and an inverter cover that has a plate shape and covers the inverter. An outer surface of an inverter cover is divided into a first region and a second region in plan view. In the first region, a plurality of first ribs arranged in parallel to each other and a connecting portion extending in a direction intersecting with the first rib and connected to one end side of each of the first ribs are provided in a protruding manner. In the second region, a plurality of second ribs that radially extend are provided in a protruding manner.
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公开(公告)号：US20230101010A1
公开(公告)日：2023-03-30
申请号：US17952313
申请日：2022-09-26
申请人： NIDEC CORPORATION
发明人： Daisuke OGASAWARA , Jun MURAKAMI , Hiroki AKAISHI , Kazuyuki YAMAMOTO , Yuki ISHIKAWA , Keisuke NAKATA
摘要： In an electric power unit that includes: a motor accommodating portion and a gear accommodating portion in a housing; and an inverter accommodating portion and an auxiliary machine attachment portion formed on side walls of the housing, the auxiliary machine attachment portion is formed by a protruding portion having at least a first vertical surface and a first horizontal surface formed on one of the side walls forming the motor accommodating portion and the gear accommodating portion of the housing, a first rib extending in a horizontal direction is formed on the first vertical surface facing one axial side of the auxiliary machine attachment portion, and a second rib, which extends in a vertical direction with respect to the first horizontal surface and connects the first horizontal surface and the inverter accommodating portion, is formed on the first horizontal surface, adjacent to the inverter accommodating portion, of the auxiliary machine attachment portion.
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公开(公告)号：US20230100892A1
公开(公告)日：2023-03-30
申请号：US17950100
申请日：2022-09-22
申请人： NIDEC CORPORATION
发明人： Daisuke OGASAWARA , Yuki ISHIKAWA , Keisuke NAKATA , Jun MURAKAMI , Hiroki AKAISHI , Kazuyuki YAMAMOTO
摘要： In an electric power unit which accommodates at least an electric motor in a housing, polygonal rib regions in which polygonal ribs are respectively formed are provided on at least two surfaces of an outer peripheral surface of the housing, and the polygonal rib regions are connected by a circumferential rib. Here, a first axial rib and a second axial rib extending parallel to an axial direction are formed on the outer peripheral surface of the housing, and the polygonal rib region is provided in a portion sandwiched between the first axial rib and the second axial rib. Further, the circumferential rib is formed over the entire part of the polygonal rib region in a circumferential direction. Note that the polygonal rib is a honeycomb rib.
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公开(公告)号：US20240235319A9
公开(公告)日：2024-07-11
申请号：US18547506
申请日：2021-06-09
申请人： NIDEC CORPORATION
发明人： Ayumi NAKAGAWA , Hiroki AKAISHI , Yusuke MAKINO
摘要： For example, a drive motor module capable of suppressing resonance of an inverter cover due to vibration from a motor or the like is provided. A drive motor module 1 includes a motor, an inverter electrically connected to the motor, a housing that houses the motor and the inverter, and an inverter cover that has a plate shape and covers the inverter. An outer surface of an inverter cover is divided into a first region and a second region in plan view. In the first region, a plurality of first ribs arranged in parallel to each other and a connecting portion extending in a direction intersecting with the first rib and connected to one end side of each of the first ribs are provided in a protruding manner. In the second region, a plurality of second ribs that radially extend are provided in a protruding manner.
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公开(公告)号：US20230344303A1
公开(公告)日：2023-10-26
申请号：US17798556
申请日：2020-09-14
申请人： NIDEC CORPORATION
摘要： A motor includes a rotor, a stator, a motor housing, an inverter, and an inverter case. The motor housing and the inverter case are arranged in contact with each other. The inverter case has a side wall surrounding the inverter when viewed from above. The side wall includes an upper side wall located in an upper part of the side wall, a step wall extending from a lower end of the upper side wall, and a lower side wall extending downward from an end edge of the step wall. The side wall has a plurality of outer ribs extending in the up-down direction. The outer rib is connected to the outer surface of the step wall and the outer surface of the upper side wall or the lower side wall located inside the inverter case relative to the step wall.
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公开(公告)号：US20230102677A1
公开(公告)日：2023-03-30
申请号：US17955547
申请日：2022-09-29
申请人： NIDEC CORPORATION
摘要： In an electric power unit including: an electric motor accommodated in a motor accommodating portion formed in a housing; an inverter accommodated in an inverter accommodating portion formed in an upper portion of the housing; and a harness storing portion that is provided in the inverter accommodating portion and protrudes from an end surface of the housing in a motor-axis direction, at least one fastening portion that supports the harness storing portion from below is formed in the harness storing portion, the fastening portion is provided with a seat surface and at least one rib adjacent to the seat surface and connected to a lower surface of the inverter accommodating portion, and the harness storing portion is fastened to the housing by a bolt (fastener) inserted into the seat surface.
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公开(公告)号：US20220352790A1
公开(公告)日：2022-11-03
申请号：US17727835
申请日：2022-04-25
申请人： NIDEC CORPORATION
摘要： A drive device includes a motor having a rotor rotatable about a motor axis, a motor housing accommodating the motor, an inverter housing accommodating an inverter electrically connected to the motor, and a gear housing accommodating a gear portion. The inverter housing opens upwardly and is arranged beside the motor housing in a direction intersecting the motor axis. The inverter housing has a bottom wall, and first through fourth side walls extending upward from the bottom wall and surrounding the bottom wall. The first and second side walls face each other, and the third and fourth side walls face each other. The inverter housing includes a first rib extending upward from the bottom wall and connecting the first side wall and the second side wall, and a second rib extending upward from the bottom wall and connecting the third side wall and the fourth side wall.
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