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公开(公告)号：US20240101240A1
公开(公告)日：2024-03-28
申请号：US18262204
申请日：2022-01-18
Inventor： MUTSUHIKO TAKEDA , SHINYA GESHI
Abstract: A watercraft propulsion device includes: a motor driving a propulsion unit; a battery supplying electric power to the motor; and a gas flow passage including one end communicating with the battery and another end communicating with a region that is outside a watercraft hull and is located lower than an upper end of a shell panel disposed at an edge of the watercraft hull, the gas flow passage exhausting a gas ejected from the battery from the other end to outside of the watercraft hull.
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公开(公告)号：US20230060460A1
公开(公告)日：2023-03-02
申请号：US17760110
申请日：2021-02-19
Inventor： KAZUMICHI SHIMIZU , KAZUTOSHI KOHIRA , SHINYA GESHI
IPC: H01M50/183 , H01M50/107 , H01M50/533 , H01M50/152 , H01M10/04 , H01M50/543
Abstract: A power storage device includes: an electrode group including first and second electrodes; a case accommodating the electrode group therein, the case having an opening; and a sealing body closing the opening of the case. The sealing body includes: an annular sealing plate having a first surface and a second surface opposite to the first surface, the sealing plate having a first through-hole provided therein; a terminal plate having a third surface and a fourth surface opposite to the third surface, the third surface facing the first surface of the sealing plate; and an annular gasket disposed between the sealing plate and the terminal plate, the gasket having a second through-hole overlapping the first through-hole. The sealing plate includes a first recessed portion and an outer peripheral portion connected to a peripheral edge of the first recessed portion, the first recessed portion having a recess in the first surface of the sealing plate and having the first through-hole therein. The terminal plate includes a projecting portion projecting from the third surface toward the sealing plate and a flange portion extended from the projecting portion in a second direction intersecting with a first direction. The projecting portion has an end surface closing the first and second through-holes. The projecting portion of the terminal plate is accommodated in the first recessed portion. A peripheral edge of the outer peripheral portion of the sealing plate is joined with an opening end portion of the case. The first electrode and the second electrode are electrically connected to the terminal plate and the case, respectively.
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公开(公告)号：US20230048822A1
公开(公告)日：2023-02-16
申请号：US17758590
申请日：2021-01-22
Inventor： SHINYA GESHI , KAZUTOSHI KOHIRA , SHINGO KUME
IPC: H01M50/578 , H01G11/80 , H01M50/107 , H01M50/184 , H01M50/179 , H01M50/533 , H01M50/342
Abstract: A power storage device includes a case, a power storage element disposed in the case, a lead connected to an electrode of the power storage element, a sealing member sealing an opening of the case. The sealing member includes a gasket and a sealing plate having conductivity. The gasket includes a base having a disk shape. The base is disposed between the sealing plate and the power storage element. The base has a through-hole formed therein. The sealing plate includes a protrusion inserted in the through-hole. The protrusion of the sealing plate is connected to the lead. The protrusion is configured to be displaced in a direction away from the lead in accordance with an increase of an internal pressure of the case so as to be disconnected from the lead.
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Patent Agency Ranking
公开(公告)号：US20200176735A1
公开(公告)日：2020-06-04
申请号：US16639692
申请日：2018-09-03
Inventor： JIRO MURATSU , SHINYA GESHI
Abstract: A battery module includes: cells, wherein each of the cells including a positive electrode terminal and a negative electrode terminal disposed on one end part, the one end parts being positioned on a same side, and a battery block is constituted by a row of the plurality of cells. The battery module further includes a plate disposed above the one end parts of the cells being arranged, and the plate includes: holes through which the positive electrode terminal and the negative electrode terminal are exposed; and a plurality of conductive members disposed on a surface. The plurality of conductive members extend along the row, two of the plurality of conductive members are disposed in the battery block, and each of the plurality of conductive members includes terminal connecting parts connected through the holes to the terminals of a same pole.
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公开(公告)号：US20240162539A1
公开(公告)日：2024-05-16
申请号：US18549189
申请日：2022-03-14
Inventor： KAZUTOSHI KOHIRA , SHINYA GESHI , JUNYA HASHIMOTO
IPC: H01M50/152 , H01M10/04 , H01M50/107 , H01M50/167 , H01M50/184 , H01M50/186
CPC classification number: H01M50/152 , H01M10/0422 , H01M50/107 , H01M50/167 , H01M50/184 , H01M50/186
Abstract: A sealing plate of the present disclosure includes a flange part in an annular shape provided on an outer peripheral edge, a raised part in an annular shape located nearer to a center than the flange part and being thicker than the flange part, a fragile part located nearer to the center than the raised part and being thinnest in the sealing plate, a relay part in an annular shape located nearer to the center than the fragile part, and a middle part located nearer to the center than the relay part and including a center part of the sealing plate, wherein in the thickness direction of the sealing plate, the fragile part is apart from the flange part in the first direction, and the relay part protrudes toward a second direction that is opposite to the first direction in the thickness direction.
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公开(公告)号：US20230037722A1
公开(公告)日：2023-02-09
申请号：US17757406
申请日：2020-12-22
Inventor： KAZUTOSHI KOHIRA , SHINYA GESHI
IPC: H01M50/186 , H01M50/516 , H01M50/543
Abstract: Provided in a power storage module including: a plurality of power storage devices; and a first current collector that holds the plurality of power storage devices. The plurality of power storage devices each include a case having an opening, an electrode assembly including a first electrode and a second electrode housed in the case, and a sealing member that seals the opening. The case includes a tubular part including one end provided with the opening, and a bottom that closes the other end of the tubular part. The case is electrically connected to the first electrode. The first current collector has a plurality of first through-holes that set and position the corresponding one of the plurality of electric storage devices, and the plurality of first through-holes each have a periphery electrically connected to the case. This structure enables improving energy density of the power storage module.
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公开(公告)号：US20200227699A1
公开(公告)日：2020-07-16
申请号：US16638909
申请日：2018-08-27
Inventor： JIRO MURATSU , SHINYA GESHI
Abstract: In a battery module including a plurality of battery blocks, the battery block is configured such that a plurality of assembled batteries each of which is formed of the plurality of batteries are arranged in parallel. The battery has a positive-electrode terminal and a negative electrode terminal on one end portion of the battery. The assembled battery includes a positive electrode bus bar for connecting the plurality of batteries in parallel and a negative electrode bus bar for connecting the plurality of batteries in parallel, which are disposed on one end portions of the batteries. On a boundary portion between the battery blocks, the positive electrode bus bars of the respective assembled batteries of one battery block and the negative electrode bus bars of the respective assembled batteries of the other battery block are respectively connected to each other in series by an inter-block connecting bus bar.
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公开(公告)号：US20160336556A1
公开(公告)日：2016-11-17
申请号：US15112155
申请日：2014-12-22
Inventor： OOSE OKUTANI , SHINYA GESHI , HIROSHI TAKASAKI
CPC classification number: H01M2/105 , H01M2/1252 , H01M2/204 , H01M2/34 , H01M2/345 , H01M10/486 , H01M2200/20
Abstract: A battery module includes a plurality of battery cells each having a safety mechanism, a cell case having a plurality of battery housing parts for housing the plurality of battery cells respectively in a predetermined arrangement, an insulating member disposed on one side of each of the battery cells, and a duct serving as a route for exhausting exhaust gas discharged from the battery cells. The battery housing parts have a plurality of openings for housing the battery cells. The insulating member has a through hole formed at a position facing an opening of the plurality of openings that houses corresponding one of the battery cells, and a lid part for closing an opening of the plurality of openings that houses no battery cell. The exhaust gas is discharged to the route of the duct through the through hole of the insulating member.
Abstract translation: 电池模块包括多个电池单元，每个电池单元具有安全机构，单元壳体具有分别以预定布置容纳多个电池单元的多个电池壳体部件，设置在每个电池的一侧的绝缘构件 以及用作排出从电池单元排出的废气的路径的管道。 电池壳体部件具有用于容纳电池单元的多个开口。 绝缘构件具有形成在面对多个开口的开口的位置处的通孔，该通孔容纳相应的一个电池单元，以及用于封闭多个开口的盖子部分，该开口不容纳电池单元。 排气通过绝缘构件的通孔排出到管道的路径。
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