公开(公告)号：US20240297420A1

公开(公告)日：2024-09-05

申请号：US18289911

申请日：2022-06-02

Applicant: Komatsu Ltd.

Inventor： Kenichi Noto ,  Ryo Kawai ,  Shimon Morikawa ,  Ryota Kasama ,  Hiroyuki Mizukami ,  Yasuhiko Matsuki

IPC: H01M50/536 ,  H01G11/06 ,  H01G11/86 ,  H01M10/0525 ,  H01M10/0585

CPC classification number: H01M50/536 ,  H01G11/06 ,  H01G11/86 ,  H01M10/0525 ,  H01M10/0585

Abstract: A bonding method includes a step of alternately stacking an electrode foil and a separator and forming a protruding portion extending to extend the stacked electrode foil, and a step of wobbling welding the protruding portion and a collector plate by irradiating an outer surface of the collector plate with laser light in a state in which an inner surface of the collector plate is in contact with the protruding portion.

公开(公告)号：US09660502B2

公开(公告)日：2017-05-23

申请号：US14233262

申请日：2012-10-19

Applicant: Komatsu Ltd.

Inventor： Yasuhiko Matsuki ,  Akira Minamiura

IPC: H02K9/19 ,  H02K9/00 ,  H02K1/32 ,  H02K9/193 ,  H02K11/225 ,  H02K11/21

CPC classification number: H02K9/00 ,  H02K1/32 ,  H02K9/19 ,  H02K9/193 ,  H02K11/21 ,  H02K11/225

Abstract: A motor includes: a shaft to which a rotor is attached and having an internal cooling medium passage in an inside of the shaft, a cooling medium passing through the internal cooling medium passage; a housing including the shaft disposed therein and configured to rotatably support the shaft; and a cooling medium reservoir provided in the housing and provided on an upstream side of an inlet of the internal cooling medium passage in a flowing direction of the cooling medium, the cooling medium reservoir being configured to store the cooling medium and then flow the cooling medium to the internal cooling medium passage.

公开(公告)号：US10211688B2

公开(公告)日：2019-02-19

申请号：US14889969

申请日：2014-06-06

Applicant: KOMATSU LTD.

Inventor： Natsuki Watanabe ,  Teiichirou Chiba ,  Yasuhiko Matsuki

IPC: H02K1/32 ,  H02K1/27 ,  H02K9/19 ,  H02K21/04 ,  H02K5/20

Abstract: A motor includes: an annular stator attached in a housing; a rotor that is disposed in the stator and is rotatably supported by the housing; and a plurality of permanent magnets embedded in a rotor core of the rotor, in which the rotor core has embedding holes respectively in which the permanent magnets are fitted, and each of the embedding holes is formed with filling holes each continuous in an axial direction of the rotor core at diagonal positions of each of the permanent magnets.

公开(公告)号：US20160301268A1

公开(公告)日：2016-10-13

申请号：US14889969

申请日：2014-06-06

Applicant: KOMATSU LTD.

Inventor： Natsuki Watanabe ,  Teiichirou Chiba ,  Yasuhiko Matsuki

IPC: H02K1/27 ,  H02K21/04 ,  H02K5/20 ,  H02K1/32 ,  H02K9/19

CPC classification number: H02K1/2706 ,  H02K1/2766 ,  H02K1/32 ,  H02K5/20 ,  H02K9/19 ,  H02K21/046

Abstract: A motor includes: an annular stator attached in a housing; a rotor that is disposed in the stator and is rotatably supported by the housing; and a plurality of permanent magnets embedded in a rotor core of the rotor, in which the rotor core has embedding holes respectively in which the permanent magnets are fitted, and each of the embedding holes is formed with filling holes each continuous in an axial direction of the rotor core at diagonal positions of each of the permanent magnets.

Abstract translation: 马达包括：附接在壳体中的环形定子; 转子，其设置在所述定子中并且由所述壳体可旋转地支撑; 以及嵌入在转子的转子铁心中的多个永久磁铁，其中转子铁芯具有分别安装有永磁体的嵌入孔，并且每个嵌入孔形成有沿轴向连续的填充孔 转子芯在每个永磁体的对角位置。

公开(公告)号：US20150015099A1

公开(公告)日：2015-01-15

申请号：US14233262

申请日：2012-10-19

Applicant: KOMATSU LTD.

Inventor： Yasuhiko Matsuki ,  Akira Minamiura

IPC: H02K9/00 ,  H02K11/00

CPC classification number: H02K9/00 ,  H02K1/32 ,  H02K9/19 ,  H02K9/193 ,  H02K11/21 ,  H02K11/225

Abstract: A motor includes: a shaft to which a rotor is attached and having an internal cooling medium passage in an inside of the shaft, a cooling medium passing through the internal cooling medium passage; a housing including the shaft disposed therein and configured to rotatably support the shaft; and a cooling medium reservoir provided in the housing and provided on an upstream side of an inlet of the internal cooling medium passage in a flowing direction of the cooling medium, the cooling medium reservoir being configured to store the cooling medium and then flow the cooling medium to the internal cooling medium passage.

Abstract translation: 电动机包括：转子附接并且在轴的内部具有内部冷却介质通道的轴，通过内部冷却介质通道的冷却介质; 壳体，其包括设置在其中的轴，并且构造成可旋转地支撑所述轴; 以及设置在所述壳体中并沿着所述冷却介质的流动方向设置在所述内部冷却介质通道的入口的上游侧的冷却介质容器，所述冷却介质储存器构造成存储所述冷却介质，然后使所述冷却介质流动 到内部冷却介质通道。