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    Battery pack
    1.
    发明授权
    Battery pack 有权

    公开(公告)号：US10587134B2

    公开(公告)日：2020-03-10

    申请号：US16421580

    申请日：2019-05-24

    Applicant: MAKITA CORPORATION

    Inventor： Eiji Kondo ,  Hironori Ogura ,  Takuya Umemura ,  Hideyuki Taga ,  Yoshihiro Ishikawa

    IPC: H02J7/00 ,  H01M2/10 ,  H01M2/30 ,  H01M10/42

    Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.

    Charge control device, battery pack, and charger capable of setting limits of charging characteristics
    2.
    发明授权
    Charge control device, battery pack, and charger capable of setting limits of charging characteristics 有权

    公开(公告)号：US10222424B2

    公开(公告)日：2019-03-05

    申请号：US15702099

    申请日：2017-09-12

    Applicant: MAKITA CORPORATION

    Inventor： Takuya Umemura ,  Tadahiko Kobayakawa ,  Hitoshi Suzuki

    IPC: H01M10/46 ,  G01R31/36 ,  H02J7/00 ,  G01K13/00 ,  H02J7/04

    Abstract: A charge control device of one example of the present invention comprises a temperature detection unit, a storage unit, and an upper limit setting unit. The storage unit stores a reference current characteristic and at least one of a first current characteristic and a second current characteristic as a charging current characteristic, and stores a reference voltage characteristic and at least one of a first voltage characteristic and a second voltage characteristic as a charging voltage characteristic. The upper limit setting unit selects a characteristic used to set upper limits of a charging current and a charging voltage to the battery from among a plurality of the charging current characteristics and a plurality of the charging voltage characteristics stored in the storage unit.

    Electric power tool system
    3.
    发明授权
    Electric power tool system 有权

    公开(公告)号：US09748780B2

    公开(公告)日：2017-08-29

    申请号：US14526976

    申请日：2014-10-29

    Applicant: Makita Corporation

    Inventor： Hitoshi Suzuki ,  Takuya Umemura

    IPC: H02J7/00 ,  H01M2/10 ,  H01M10/46 ,  H01M2/30

    CPC classification number: H02J7/0045 ,  H01M2/1055 ,  H01M2/30 ,  H01M10/46 ,  H02J7/0052

    Abstract: An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body and a first charger that charges the battery pack. The first charger is detachably attached to the tool main body and/or the battery pack. The first charger is capable of charging the battery pack while the battery pack is attached to the tool main body. The first charger is preferably cordless and contains at least rechargeable battery for storing energy to charge the battery pack.

    Battery pack
    5.
    发明授权
    Battery pack 有权

    公开(公告)号：US10348110B2

    公开(公告)日：2019-07-09

    申请号：US15015209

    申请日：2016-02-04

    Applicant: MAKITA CORPORATION

    Inventor： Eiji Kondo ,  Hironori Ogura ,  Takuya Umemura ,  Hideyuki Taga ,  Yoshihiro Ishikawa

    IPC: H02J7/00 ,  H01M2/10 ,  H01M2/30 ,  H01M10/42

    Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.

    Battery pack for use with hand-held electric power tool
    6.
    发明授权
    Battery pack for use with hand-held electric power tool 有权
    用于手持电动工具的电池组

    公开(公告)号：US09337453B2

    公开(公告)日：2016-05-10

    申请号：US14369706

    申请日：2012-12-25

    Applicant: MAKITA CORPORATION

    Inventor： Hironori Ogura ,  Akira Naito ,  Takuya Umemura

    IPC: H01M2/10 ,  H01M2/08 ,  H01M10/42 ,  H01M10/6235 ,  H01M10/6556

    CPC classification number: H01M2/1055 ,  H01M2/08 ,  H01M2/1033 ,  H01M2/105 ,  H01M10/4257 ,  H01M10/6235 ,  H01M10/6556 ,  H01M2220/30

    Abstract: A battery pack (10; 110) for a power tool includes a housing (18) made of a rigid material. The housing contains a cooling air passage (54), which is in gaseous communication with the outside environment, and at least one isolated space (52). At least one isolating wall (44) is disposed inside the housing so as to physically separate and isolate the cooling air passage from the at least one isolated space. A plurality of battery cells (32) is disposed within the housing such that an end portion (32a) thereof is disposed within the at least one isolated space and an intermediate portion (32b) thereof is disposed adjacent the cooling air passage. First portions (78) of the at least one isolating wall respectively contact the plurality of battery cells and are comprised of a material that is more flexible and/or elastic than the rigid material of the housing (18).

    Abstract translation: 用于电动工具的电池组（10; 110）包括由刚性材料制成的壳体（18）。 壳体包括与外部环境气体连通的冷却空气通道（54）和至少一个隔离空间（52）。 至少一个隔离壁（44）设置在壳体内部，以便将冷却空气通道与至少一个隔离空间物理分离并隔离。 多个电池单元（32）设置在壳体内，使得其端部（32a）设置在至少一个隔离空间内，并且其中间部分（32b）设置在冷却空气通道附近。 所述至少一个隔离壁的第一部分（78）分别接触所述多个电池单体并且由比所述壳体（18）的刚性材料更柔性和/或弹性的材料构成。

    POWER TOOL SYSTEM AND ADAPTER THEREFOR
    7.
    发明申请
    POWER TOOL SYSTEM AND ADAPTER THEREFOR 审中-公开
    电动工具系统及其适配器

    公开(公告)号：US20140151079A1

    公开(公告)日：2014-06-05

    申请号：US14233786

    申请日：2012-07-24

    Applicant: MAKITA CORPORATION

    Inventor： Nobuyasu Furui ,  Hitoshi Suzuki ,  Masaaki Fukumoto ,  Takuya Umemura ,  Kosuke Ito ,  Hitoshi Sengiku

    IPC: B25F5/02 ,  B25F3/00

    CPC classification number: H02J7/0042 ,  B25F3/00 ,  B25F5/00 ,  B25F5/02 ,  G05B13/024 ,  G08C17/02 ,  H02J7/0052

    Abstract: A power tool system includes a hand-held power tool having a housing with a battery pack interface, an electrically-driven device and a first connector. A battery pack is detachably attached to the battery pack interface and supplies current to the electrically-driven device. An adapter has a second connector physically and electrically connected with the first connector in a detachable manner. The adapter receives power from the battery pack via the hand-held power tool and provides at least one additional electrical function to the hand-held power tool or performs at least one additional electrical function that the hand-held power tool is not otherwise capable of performing. Further, the adapter is at least partially disposed in a space defined in part by the housing and in part by the battery pack when the housing and battery pack are attached to each other.

    Abstract translation: 电动工具系统包括具有带电池组接口的外壳的手持电动工具，电驱动装置和第一连接器。 电池组可拆卸地附接到电池组接口并且将电流提供给电驱动装置。 适配器具有以可拆卸的方式与第一连接器物理和电连接的第二连接器。 适配器经由手持式电动工具从电池组接收电力，并向手持式电动工具提供至少一个额外的电功能，或执行至少一个额外的电功能，使得手持电动工具不能够 表演。 此外，适配器至少部分地设置在由壳体部分限定的空间中，并且当壳体和电池组彼此附接时，适配器部分地设置在电池组中。

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