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公开(公告)号：US09553466B2
公开(公告)日：2017-01-24
申请号：US14532474
申请日：2014-11-04
Applicant: MAKITA CORPORATION
Inventor： Hitoshi Suzuki , Takuya Umemura
CPC classification number: H02J7/0027 , H01M2/1022 , H01M2/1055 , H01M10/0525 , H01M10/441 , H01M10/46 , H01M2220/30 , H02J5/00 , H02J7/0044 , H02J7/0045 , H02J7/0054 , H02J7/02 , H02J7/025 , H02J50/10
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 comprises a rechargeable battery that supplies current to at least one rechargeable battery of the battery pack. The at least one rechargeable battery of the first charger preferably has a larger charge storage capacity than the at least one rechargeable battery of the battery pack.
Abstract translation: 一种电动工具系统，包括工具主体，可拆卸地附接到工具主体的电池组，以及为电池组充电的第一充电器。 第一充电器包括将电流提供给电池组的至少一个可充电电池的可再充电电池。 第一充电器的至少一个可充电电池优选地具有比电池组的至少一个可充电电池更大的电荷存储容量。
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公开(公告)号：US20150054447A1
公开(公告)日：2015-02-26
申请号：US14532474
申请日：2014-11-04
Applicant: MAKITA CORPORATION
Inventor： Hitoshi Suzuki , Takuya Umemura
IPC: H02J7/00
CPC classification number: H02J7/0027 , H01M2/1022 , H01M2/1055 , H01M10/0525 , H01M10/441 , H01M10/46 , H01M2220/30 , H02J5/00 , H02J7/0044 , H02J7/0045 , H02J7/0054 , H02J7/02 , H02J7/025 , H02J50/10
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 comprises a rechargeable battery that supplies current to at least one rechargeable battery of the battery pack. The at least one rechargeable battery of the first charger preferably has a larger charge storage capacity than the at least one rechargeable battery of the battery pack.
Abstract translation: 一种电动工具系统，包括工具主体，可拆卸地附接到工具主体的电池组，以及为电池组充电的第一充电器。 第一充电器包括将电流提供给电池组的至少一个可充电电池的可再充电电池。 第一充电器的至少一个可充电电池优选地具有比电池组的至少一个可充电电池更大的电荷存储容量。
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公开(公告)号：US20140349143A1
公开(公告)日：2014-11-27
申请号：US14369706
申请日：2012-12-25
Applicant: MAKITA CORPORATION
Inventor： Hironori Ogura , Akira Naito , Takuya Umemura
IPC: H01M2/10 , H01M10/6235 , H01M10/6556 , H01M10/42
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。
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公开(公告)号：US11925307B2
公开(公告)日：2024-03-12
申请号：US15733960
申请日：2019-05-23
Applicant: MAKITA CORPORATION
Inventor： Ryuji Mitsui , Tadahiko Kobayakawa , Takuya Umemura , Toru Yamada , Mamoru Sakai
CPC classification number: A47L9/2884 , A47L5/24 , G01R31/382 , H01M10/443 , H01M10/46 , H01M10/48 , H01M10/486 , H02J7/0063 , H02J7/00712
Abstract: A rechargeable cleaner includes a body, a rechargeable battery, a charger, and a body controller. The body is configured to generate suction power capable of sucking dust together with air using a motor. The rechargeable battery is configured to supply electric power to the motor. The charger is configured to charge the battery. The body controller is disposed in the body. The body controller controls at least one of a charging current and a charging voltage based on cell voltage information indicating a cell voltage, cell temperature information indicating a cell temperature, and battery identification information for identifying the battery that are acquired from the battery, and based on charger identification information for identifying the charger acquired from the charger.
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Patent Agency Ranking
公开(公告)号：US11721990B2
公开(公告)日：2023-08-08
申请号：US17393780
申请日：2021-08-04
Applicant: MAKITA CORPORATION
Inventor： Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
CPC classification number: H02J7/0042 , B25F3/00 , B25F5/00 , B25F5/02 , G05B13/024 , G08C17/02 , H02J7/00
Abstract: A power tool includes a power tool housing accommodating a motor; a battery pack interface electrically connected to the motor and being configured to be physically and electrically connected to and disconnected from a power tool interface of a battery pack; and a wireless communicator configured to be attached to or detached from the power tool housing. The wireless communicator wirelessly transmits data between the power tool and an external device using radio waves. In addition, the power tool housing includes a receptacle opening configured to accommodate the wireless communicator within the power tool housing such that no part of the wireless communicator projects or protrudes beyond an outer surface or contour of the power tool housing.
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公开(公告)号：US10749360B2
公开(公告)日：2020-08-18
申请号：US16508950
申请日：2019-07-11
Applicant: MAKITA CORPORATION
Inventor： Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
Abstract: A power tool system includes a hand-held power tool having a power tool housing accommodating a motor, and a battery pack interface electrically connected to the motor within the power tool housing. A battery pack includes a battery pack housing accommodating at least one battery cell and a power tool interface electrically connected to the at least one battery cell within the battery pack housing. The power tool interface is configured to be physically and electrically connected to and disconnected from the battery pack interface of the power tool. A communicator is attached to or accommodated within the battery pack housing. The communicator is configured to wirelessly communicate with an external device.
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公开(公告)号：US10177559B2
公开(公告)日：2019-01-08
申请号：US14596600
申请日：2015-01-14
Applicant: MAKITA CORPORATION
Inventor： Hiroki Uesugi , Takuya Umemura , Takayoshi Endo , Masafumi Noda
Abstract: An electrically-driven working apparatus in one aspect of an embodiment of the present disclosure comprises: a battery; an abnormality detection unit; a power supply path; a first disconnection unit; a second disconnection unit; and a control unit. The control unit activates the first disconnection unit to disconnect the power supply path if either of an overload or an over discharge of the battery is detected by the abnormality detection unit, and subsequently determines whether discharge from the battery has stopped after activating the first disconnection unit, and activates the second disconnection unit to disconnect the power supply path if discharge from the battery has not stopped.
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28.发明授权公开(公告)号：US10090692B2
公开(公告)日：2018-10-02
申请号：US15402584
申请日：2017-01-10
Applicant: MAKITA CORPORATION
Inventor： Shuji Yoshikawa , Tatsuya Nagahama , Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito
Abstract: A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base.
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公开(公告)号：US20150054464A1
公开(公告)日：2015-02-26
申请号：US14526976
申请日：2014-10-29
Applicant: Makita Corporation
Inventor： Hitoshi Suzuki , Takuya Umemura
IPC: H02J7/00
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.
Abstract translation: 一种电动工具系统，包括工具主体，可拆卸地附接到工具主体的电池组和对电池组充电的第一充电器。 第一充电器可拆卸地附接到工具主体和/或电池组。 当电池组连接到工具主体上时，第一个充电器能够对电池组充电。 第一充电器优选地是无绳的，并且至少包含用于存储能量以对电池组充电的可充电电池。
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