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公开(公告)号：US20180123199A1
公开(公告)日：2018-05-03
申请号：US15854297
申请日：2017-12-26
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Osamu KUBOTA , Akira SATO , Kazunori OJIMA , Sadayuki AOKI
IPC: H01M10/6556 , H01M10/04 , H01M10/613 , H01M10/647
CPC classification number: H01M10/6556 , H01M2/1077 , H01M10/0481 , H01M10/0486 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6555 , H01M2220/20
Abstract: An electricity storage block includes: an element stacked body in which a plurality of square electricity storage elements is stacked and arranged such that wide surfaces of the adjacent square electricity storage elements are opposed to each other; and a pressing device that presses the element stacked body toward the thermally-conductive sheet arranged on the heat transfer plate. The element stacked body includes holders having wide surface abutment parts in abutment with one of the wide surfaces in a pair in at least the predetermined square electricity storage element. The outer surfaces of the bottom plates of the square electricity storage elements are set as heat transfer surfaces thermally connected to the heat transfer plate via the thermally-conductive sheet. The heat-transfer surfaces protrude toward the heat transfer plate more than the end surfaces of the wide surface abutment parts at the heat transfer plate side.
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公开(公告)号：US20210305646A1
公开(公告)日：2021-09-30
申请号：US16330689
申请日：2017-08-04
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Osamu KUBOTA , Kazunori OJIMA , Sadayuki AOKI
IPC: H01M50/172 , H01M50/502 , H01M50/543
Abstract: Provided is an assembled battery which is downsized and in which a fastening force between a busbar and an external terminal cable at a fixing part is improved. Provided is an assembled battery including: a group of cells in which a plurality of cells, each having electrode terminals, is stacked; plate-shaped members arranged at ends of the group of cells; and cell holders arranged between the plate-shaped members and the group of cells, in which each of the cell holders is provided with a terminal fixing part of the assembled battery, and each of the plate-shaped members has a fitting part to be fitted to the terminal fixing part.
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公开(公告)号：US20150333312A1
公开(公告)日：2015-11-19
申请号：US14655790
申请日：2013-01-04
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Masayuki NAKAMOTO , Sadayuki AOKI
CPC classification number: H01M2/206 , H01M2/1077
Abstract: An assembled battery is configured by connecting a plurality of battery cells arranged in a laminated structure via a bus bar. The battery cell includes a first electrode terminal and a second electrode terminal; and the bus bar includes a first electrode connection portion connected to the first electrode terminal of one battery cell and a second electrode connection portion connected to the second electrode terminal of another battery cell adjacent to the one battery cell. A connecting device, configured with the bus bar, the first electrode terminal of the one battery cell and the second electrode terminal of the other battery cell, includes a space-forming portion that forms a space where relative displacement of the second electrode connection portion and the second electrode terminal, occurring when the other battery cell is disposed with an offset from a reference position thereof along a laminating direction in which the battery cells are laminated and/or a direction running perpendicular to the laminating direction relative to the one battery cell, is absorbed; and the second electrode terminal and the second electrode connection portion are butt-welded or lap-welded.
Abstract translation: 组合电池通过经由母线连接布置在层叠结构中的多个电池单元而构成。 电池单元包括第一电极端子和第二电极端子; 母线包括连接到一个电池单元的第一电极端子的第一电极连接部分和与一个电池单元相邻的另一个电池单元的第二电极端子连接的第二电极连接部分。 配置有汇流条，一个电池单元的第一电极端子和另一个电池单元的第二电极端子的连接装置包括形成空间的空间形成部分，该空间形成部分形成第二电极连接部分和 所述第二电极端子沿着沿着层叠方向的电池单元的层叠方向和/或相对于所述一个电池单元垂直于所述层叠方向的方向从所述基准位置偏移地配置而发生的第二电极端子， 被吸收 并且第二电极端子和第二电极连接部分对接焊接或搭接焊接。
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公开(公告)号：US20200287194A1
公开(公告)日：2020-09-10
申请号：US16648782
申请日：2018-08-03
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Kazuaki URANO , Sadayuki AOKI , Kazunori OJIMA , Takashi SUZUKI
Abstract: Provided is a battery module capable of efficiently arranging wires such as voltage detection wires and temperature detection wires, and realizing the miniaturization thereof. The electrical connecting member housing case of the present invention includes a wire housing space formed from a bottom part, a wall part, and a lid part, wherewith the wall part includes an outer wall, an end face, and an inner wall facing the wires, and wherein the lid part is connected to the wall part via a hinge part provided to the inner wall or the end face.
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Patent Agency Ranking
公开(公告)号：US20180351142A1
公开(公告)日：2018-12-06
申请号：US15761686
申请日：2016-09-20
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Sadayuki AOKI , Kazunori OJIMA
IPC: H01M2/10 , H01M2/14 , H01M10/0585 , H01M2/20 , H01M2/04
Abstract: An assembled battery that can be easily assembled and that has high reliability is provided. An assembled battery includes secondary batteries with a flat prismatic shape that are stacked in a thickness direction (X-axis direction), spacer members that are stacked alternately with the secondary batteries, and side plates that extend in a stacking direction of the secondary batteries and face side surfaces of the spacer members along the stacking direction. The spacer member includes an engagement part to be engaged with the side plate in a manner that sliding is possible in the stacking direction (X-axis direction).
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公开(公告)号：US20160294023A1
公开(公告)日：2016-10-06
申请号：US15037189
申请日：2013-12-13
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Sadayuki AOKI
Abstract: A secondary battery module includes an annular member making a tip end of a connection terminal of a bus bar and a tip end of a voltage detection terminal inserted therein in an axial direction to be aligned with each other in terms of directions. The annular member includes an elastic deformation portion biasing the connection terminal and the voltage detection terminal in directions of making the connection terminal and the voltage detection terminal press each other. Accordingly, reliability to deal with an external cause is high, and an assembling operation is facilitated.
Abstract translation: 二次电池模块包括环形构件，其使得母线的连接端子的尖端和电压检测端子的沿轴向方向插入其中的端部在方向上彼此对准。 环形构件包括在使连接端子和电压检测端子彼此按压的方向上偏压连接端子和电压检测端子的弹性变形部分。 因此，处理外部原因的可靠性高，组装操作容易。
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公开(公告)号：US20170194771A1
公开(公告)日：2017-07-06
申请号：US15314233
申请日：2014-05-29
Applicant: Hitachi Automotive Systems, Ltd.
Inventor： Sadayuki AOKI
CPC classification number: H02B1/21 , G01K1/146 , H01M2/1077 , H01M2/206 , H01M10/486 , H01M10/60 , H01M2200/10 , H02B1/01
Abstract: A storage module in which a plurality of storage elements are electrically connected by bus bars includes: a temperature sensor which contacts a surface of the storage element and detects a temperature of the storage element; a pressing member which presses the temperature sensor to the storage element; and a regulation member which regulates a movement of the temperature sensor in a direction orthogonal to a pressing direction of the pressing member.
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公开(公告)号：US20160141737A1
公开(公告)日：2016-05-19
申请号：US14895665
申请日：2014-05-28
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Osamu KUBOTA , Akira SATO , Kazunori OJIMA , Sadayuki AOKI
IPC: H01M10/6556 , H01M10/625 , H01M10/647 , H01M10/613
CPC classification number: H01M10/6556 , H01M2/1077 , H01M10/0481 , H01M10/0486 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6555 , H01M2220/20
Abstract: An electricity storage block includes: an element stacked body in which a plurality of square electricity storage elements is stacked and arranged such that wide surfaces of the adjacent square electricity storage elements are opposed to each other; and a pressing device that presses the element stacked body toward the thermally-conductive sheet arranged on the heat transfer plate. The element stacked body includes holders having wide surface abutment parts in abutment with one of the wide surfaces in a pair in at least the predetermined square electricity storage element. The outer surfaces of the bottom plates of the square electricity storage elements are set as heat transfer surfaces thermally connected to the heat transfer plate via the thermally-conductive sheet. The heat-transfer surfaces protrude toward the heat transfer plate more than the end surfaces of the wide surface abutment parts at the heat transfer plate side.
Abstract translation: 蓄电块包括：元件堆叠体，其中堆叠并布置多个方形储电元件，使得相邻的方形储电元件的宽表面彼此相对; 以及将元件堆叠体朝设置在传热板上的导热片按压的按压装置。 元件堆叠体包括具有宽表面抵接部件的支架，该保持件至少在至少预定的方形蓄电元件中与一对宽表面邻接。 方形储电元件的底板的外表面被设置为通过导热片与传热板热连接的热传递表面。 传热面比传热板侧的宽面邻接部的端面多向突出于传热板。
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公开(公告)号：US20150340669A1
公开(公告)日：2015-11-26
申请号：US14655940
申请日：2013-02-15
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Sadayuki AOKI
IPC: H01M2/10
CPC classification number: H01M2/1016 , H01M2/1061 , H01M2/1077 , H01M10/0481
Abstract: A secondary battery module includes: a battery stacked body configured by stacking and placing a plurality of secondary batteries; a pair of end plates that is respectively disposed at one stacked-direction side of the battery stacked body and at another stacked-direction side of the battery stacked body so as to face opposite each other; a pair of side frames that is respectively disposed at one cell-width-direction side and at another cell-width-direction side so as to face opposite each other, a cell width direction being perpendicular to a stacked direction of the battery stacked body; and an elastic body that is placed between an end surface of the battery stacked body on the one stacked-direction side and the end plate on the one stacked-direction side and presses the battery stacked body in the stacked direction. One ends of the side frames on the one cell-width-direction side and the other cell-width-direction side engage with an end plate on the one stacked-direction side and other ends of the side frames engage with an end plate on the other stacked-direction side.
Abstract translation: 二次电池模块包括：通过堆叠和放置多个二次电池构造的电池堆叠体; 一对端板，其分别设置在电池堆叠体的一个堆叠方向侧，并且在电池堆叠体的另一堆叠方向侧彼此面对; 一对侧框架，其分别设置在一个单元宽度方向侧和另一个单元宽度方向侧，以相对于彼此面对;单元宽度方向垂直于所述电池堆叠体的堆叠方向; 以及弹性体，其被放置在电池堆叠体的一个堆叠方向侧的端面和一个堆叠方向侧的端板之间，并且在堆叠方向上按压电池堆叠体。 一个单元宽度方向侧和另一个单元宽度方向侧的侧框架的一端与一个堆叠方向侧上的端板接合，并且侧框架的另一端与其上的端板接合 其他堆叠方向侧。
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