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公开(公告)号：US20140375231A1
公开(公告)日：2014-12-25
申请号：US14310939
申请日：2014-06-20
Applicant: MAKITA CORPORATION
Inventor： Hitoshi SUZUKI , Masaaki FUKUMOTO , Hidenori NAGASAKA
CPC classification number: G01R31/3606 , B60L11/1861 , H01M2/1022 , H01M10/4257 , H01M10/48 , H01M10/486 , H02J7/0047 , H02J2007/0049 , H02J2007/005
Abstract: A battery pack includes: a battery; a notification unit configured to notify that a fully charged state is reached; a determination unit configured to determine whether the fully charged state is reached; a processing unit configured to execute a full charge process if the fully charged state is determined, the full charge process being one of causing the notification unit to make a notification and maintaining a possible state, in which making a notification is possible; and a factor detection unit configured to detect occurrence of a predetermined increase factor during execution of the full charge process, the increase factor leading to increase in a chargeable capacity of the battery as compared with the time when the fully charged state is determined. The processing unit stops the full charge process if occurrence of the increase factor is detected during execution of the full charge process.
Abstract translation: 电池组包括：电池; 通知单元，被配置为通知达到完全充电状态; 确定单元，被配置为确定是否达到完全充电状态; 处理单元，其被配置为如果确定了完全充电状态，则执行完全充电处理，所述充分充电处理是使所述通知单元进行通知并保持可能的状态之一，其中进行通知是可能的; 以及因素检测单元，被配置为在完全充电处理的执行期间检测预定增加因子的发生，所述增加因子导致与确定完全充电状态的时间相比，电池的可充电容量增加。 如果在完全充电过程的执行期间检测到增加因子的发生，则处理单元停止完全充电处理。
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公开(公告)号：US20130139348A1
公开(公告)日：2013-06-06
申请号：US13745049
申请日：2013-01-18
Applicant: MAKITA CORPORATION
Inventor： Hiroshi OTSUKA , Hitoshi SUZUKI , Shinsuke OKUDA
IPC: A47L9/28
CPC classification number: A47L9/2884 , A47L5/24
Abstract: One aspect according to the present invention includes a handy cleaner including a cleaner body and a battery pack. The battery pack serves as a power source and includes a lithium-ion battery. The battery pack can be mounted to and removed from a cleaner body without need of operating a cover or the like mounted to the cleaner body.
Abstract translation: 根据本发明的一个方面包括一个方便的清洁器，包括一个清洁器本体和一个电池组。 电池组用作电源并且包括锂离子电池。 电池组可以安装到清洁器主体上并从其移除，而无需操作安装到吸尘器主体上的盖子等。
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公开(公告)号：US20240380225A1
公开(公告)日：2024-11-14
申请号：US18783596
申请日：2024-07-25
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, a battery pack and an adapter. The hand-held power tool includes a power tool housing that accommodates a motor, and a battery pack interface electrically connected to the motor. The battery pack includes a battery pack housing that accommodates at least one battery cell, and a power tool interface electrically connected to the at least one battery cell. The power tool interface is configured to be physically and electrically connected to and disconnected from the battery pack interface of the power tool. The adapter includes a wireless communicator configured to wirelessly communicate data to/from an external device using radio waves, a self-contained power supply configured to supply electric power to the wireless communicator and an interface configured to attach the adapter to the power tool housing and/or the battery pack housing.
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公开(公告)号：US20240222736A1
公开(公告)日：2024-07-04
申请号：US18603321
申请日：2024-03-13
Applicant: MAKITA CORPORATION
Inventor： Hitoshi SUZUKI , Masaaki FUKUMOTO
IPC: H01M10/615 , H01M10/44 , H01M10/48 , H01M10/6235 , H01M50/209 , H01M50/247 , H01M50/271 , H01M50/55 , H01M50/553 , H01M50/566
CPC classification number: H01M10/615 , H01M10/443 , H01M10/486 , H01M10/6235 , H01M50/247 , H01M50/209 , H01M50/271 , H01M50/55 , H01M50/553 , H01M50/566
Abstract: A battery pack (174; 174′) having at least one all-solid-state battery cell for driving a motor of a battery-powered portable tool (1) can be charged using regenerated electric power generated by an electric motor (196). However, charging with regenerated electric power might cause damage to the battery pack if the battery cells are not in a state capable of being recharged with regenerated electric power. Therefore, the battery pack includes a battery-condition determination circuit that is configured or programmed to: (i) assess the condition of the at least one all-solid-state battery cell and (ii) generate an electrical signal that indicates whether or not the battery pack is in a state that permits charging using the regenerated electric power.
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45.发明公开公开(公告)号：US20230336010A1
公开(公告)日：2023-10-19
申请号：US18208958
申请日：2023-06-13
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 , B25F5/02 , G05B13/024 , H02J7/00 , B25F3/00 , B25F5/00 , G08C17/02
Abstract: A power tool includes a motor and a controller in a power tool housing. A battery pack interface is defined on and/or in the power tool housing. A receptacle is defined on and/or in the power tool housing to removably accommodate a wireless communication adapter such that the wireless communication adapter is disposed entirely within a shell of the power tool and no portion of the wireless communication adapter extends beyond an outer contour of the power tool housing. At least one communication terminal is disposed within the receptacle and is electrically connectable to the wireless communication adapter. The controller outputs to the at least one communication terminal a signal indicating a charge level of a battery pack attached to the battery pack interface, a number of hours of operation of the power tool, a power tool overheated alert, and/or a battery pack overloaded alert.
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Patent Agency Ranking
公开(公告)号：US20230150046A1
公开(公告)日：2023-05-18
申请号：US18092700
申请日：2023-01-03
Applicant: MAKITA CORPORATION
Inventor： Hitoshi SUZUKI
IPC: B23D59/00 , B25F5/00 , A47L9/28 , B24B23/02 , B24B55/00 , H01Q1/12 , H05K3/36 , A47L7/00 , B23Q11/00 , B24B55/10 , G08C17/02
CPC classification number: B23D59/006 , B25F5/00 , B23D59/001 , A47L9/2868 , B24B23/028 , B24B55/00 , H01Q1/12 , H05K3/36 , A47L7/0095 , A47L9/2842 , A47L9/2894 , B24B23/02 , B23Q11/0046 , B23Q11/0071 , B24B55/10 , G08C17/02 , A47L2201/06
Abstract: A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.
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47.发明申请公开(公告)号：US20220131486A1
公开(公告)日：2022-04-28
申请号：US17511019
申请日：2021-10-26
Applicant: MAKITA CORPORATION
Inventor： Hitoshi SUZUKI
Abstract: An electric powered work machine according to one aspect of to the present disclosure includes a motor. The electric powered work machine includes a first line connecting a positive electrode of a battery to the motor. The electric powered work machine includes a second line connecting a negative electrode of the battery to the motor. The electric powered work machine includes a third line connecting the first line to the second line. The electric powered work machine includes a first capacitor disposed on the third line. The electric powered work machine includes a rectifier disposed on the third line. The rectifier limits or inhibits an electric current flowing from the second line to the first line through the third line. The electric powered work machine includes a first circuit connected to the third line. The first circuit has impedance that is other than zero, and bypasses the rectifier.
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公开(公告)号：US20220102772A1
公开(公告)日：2022-03-31
申请号：US17550091
申请日：2021-12-14
Applicant: MAKITA CORPORATION
Inventor： Hitoshi SUZUKI , Masaaki Fukumoto
IPC: H01M10/48 , H01M10/615 , H01M10/6235 , H01M10/44
Abstract: A battery-powered portable tool includes: a battery pack containing at least one all-solid-state battery cell; a tool main body, on which and/or inside which the battery pack is mountable and from which the battery pack is demountable; and a plurality of components contained in the battery pack and/or in the tool main body. The plurality of components is disposed in a first layout or physical configuration when the temperature is low and is disposed in a second layout or physical configuration when the temperature is high. The first layout or physical configuration differs from the second layout or physical configuration.
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公开(公告)号：US20220072694A1
公开(公告)日：2022-03-10
申请号：US17418595
申请日：2019-12-20
Applicant: MAKITA CORPORATION
Inventor： Akihiro NAKAMOTO , Hitoshi SUZUKI
Abstract: An electric work machine in one aspect of the present disclosure includes a motor, a manipulator, a first switch, a second switch, and a control circuit. The manipulator is on-operated or off-operated by a user of the electric work machine. Each of the first switch and the second switch is turned on or off in response to the manipulator being on-operated or off-operated. The control circuit executes a motor control process in accordance with a computer program. The control circuit receives first switch information from the first switch, and receives second switch information from the second switch. The motor control process outputs a drive command for driving the motor in response to the first switch information and the second switch information indicating that the manipulator is on-operated.
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公开(公告)号：US20210083603A1
公开(公告)日：2021-03-18
申请号：US17013977
申请日：2020-09-08
Applicant: MAKITA CORPORATION
Inventor： Kiyoshi AOYAMA , Hitoshi SUZUKI
Abstract: An electric working machine may include a brushless motor and a motor controller. The motor controller may include three upper switching elements, three lower switching elements, and a control unit. The control unit may be configured to execute a short-circuit braking operation for applying a braking force to the brushless motor by bringing the three upper switching elements into a non-conductive state and bringing the three lower switching elements into a conductive state. The control unit may be configured to start the short-circuit braking operation at a predetermined timing. When the short-circuit braking operation is started at the predetermined timing, polarities of induced voltages of first to third phase terminals of the brushless motor are reversed by a time when an electrical angle of the brushless motor increases by 180 degrees from the start of the short-circuit braking operation.
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