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1. 发明申请

US20180076639A1 PORTABLE BATTERY PACK CHARGING SYSTEM, METHOD FOR RECHARGING A BATTERY PACK, AND ADAPTER THEREFOR 审中-公开
公开(公告)号：US20180076639A1
公开(公告)日：2018-03-15
申请号：US15689725
申请日：2017-08-29
申请人： MAKITA CORPORATION
发明人： Nobuyasu FURUI , Hitoshi Suzuki , Masaaki FUKUMOTO , Takuya UMEMURA , Kosuke ITO , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
IPC分类号： H02J7/00 , G08C17/02 , B25F3/00 , B25F5/02 , B25F5/00 , G05B13/02
CPC分类号： H02J7/0042 , B25F3/00 , B25F5/00 , B25F5/02 , G05B13/024 , G08C17/02 , H02J7/0052
摘要： A method for recharging a battery pack (40; 40′) includes attaching a portable charger (120) to a user, which portable charger comprises or is attached to a self-contained power supply (130, 140) and wherein a first charging port (132, 146) of the portable charger is disposed, e.g., on a belt (144) worn by the user, hanging the battery pack on the belt while the battery pack is physically engaged and in electrical communication with a power tool (10; 10′), and initiating a transfer of power from the charger to the battery pack when the first charging port is at least proximal to a second charging port (85, 148) that is in electrical communication with at least one battery cell (50) of the battery pack. A portable charging system capable of performing this method, as well as an adapter for use in performing this method, are also disclosed.

2. 发明申请

US20150020391A1 Power Tool with High-Speed Electric Motor 有权
标题翻译：电动工具与高速电动机
公开(公告)号：US20150020391A1
公开(公告)日：2015-01-22
申请号：US14155358
申请日：2014-01-15
申请人： MAKITA CORPORATION
发明人： Kenji ABE , Masayoshi OKUMI , Hidenori NAGASAKA , Motohiro OMURA , Masaaki FUKUMOTO , Kenji SHIBATA , Nobuyasu FURUI , Masanori HIGASHI , Kiyoshi AOYAMA
IPC分类号： B23D45/16
CPC分类号： B23D47/12 , B24B23/02 , B24B47/12 , B25F5/008 , B25F5/02
摘要： A hand-held power tool includes a motor having a stator and a rotor, the motor being configured to rotate the rotor at a speed of at least 40,000 rpm, an output shaft directly driven by the rotor, a tool accessory shaft configured to support a tool accessory, and a two-stage speed reducing transmission operably connecting the output shaft to the tool accessory shaft. The two-stage speed reducing transmission is configured to drive the tool accessory shaft at a rate less than the rotor speed, for example, at a rate less than or equal to 37.5% of the rotor speed.
摘要翻译：一种手持电动工具包括具有定子和转子的电动机，所述电动机构造成以至少40,000rpm的转速旋转所述转子，由所述转子直接驱动的输出轴;工具附件轴，工具附件，以及将输出轴与工具附件轴可操作地连接的两级减速传动装置。两级减速传动装置构造成以小于转子速度的速度驱动工具附件轴，例如以小于或等于转子速度的37.5％的速率。

3. 发明申请

US20140292245A1 MOTOR-DRIVEN APPLIANCE SYSTEM AND METHOD FOR CONTROLLING THE SYSTEM 有权
标题翻译：电动驱动装置系统和控制系统的方法
公开(公告)号：US20140292245A1
公开(公告)日：2014-10-02
申请号：US14225669
申请日：2014-03-26
申请人： MAKITA CORPORATION
发明人： Hitoshi SUZUKI , Masafumi NODA , Masaaki FUKUMOTO
IPC分类号： H02P23/00
CPC分类号： H02P23/0004 , B25F5/00
摘要： A motor-driven appliance system in one aspect of an embodiment of the present disclosure includes a motor-driven appliance having a motor, at least one control circuit, and a communication device. The control circuit is configured to execute a process related to control of the motor-driven appliance. The communication device is configured to communicate with an external device. The control circuit is further configured to switch, when at least one predetermined sleep condition is satisfied, from an active mode in which the control circuit performs a normal operation to a sleep mode in which the control circuit stops part of the normal operation to thereby suppress power consumption; and to switch to the active mode when the communication device receives an external wakeup signal transmitted from the external device while the control circuit is in the sleep mode.
摘要翻译：本公开的实施例的一个方面的电动机具系统包括具有电动机，至少一个控制电路和通信装置的电动机具。控制电路被配置为执行与电动机构的控制有关的处理。通信设备被配置为与外部设备进行通信。控制电路还被配置为当从控制电路执行正常操作的活动模式到满足正常操作的一部分的休眠模式时，在满足至少一个预定的睡眠条件时切换，从而抑制能量消耗; 并且当控制电路处于睡眠模式时，当通信设备接收到从外部设备发送的外部唤醒信号时，切换到活动模式。

4. 发明申请

US20190340915A1 COMMUNICATOR, ELECTRIC WORKING MACHINE, AND COMMUNICATION METHOD 审中-公开
公开(公告)号：US20190340915A1
公开(公告)日：2019-11-07
申请号：US16514171
申请日：2019-07-17
申请人： MAKITA CORPORATION
发明人： Takuya KUSAKAWA , Masaaki FUKUMOTO
IPC分类号： G08B21/18 , H04L29/08 , B23Q17/00 , B25F5/00 , B23D59/00 , B28D7/00 , H04W60/04 , H04W4/06 , H04L12/28 , H04H20/61 , H04H20/57 , H04H20/16 , H04H20/12 , G08C17/02
摘要： A communicator in one aspect of the present disclosure includes a connector, a communication circuit, and a communication controller. The connector is electrically coupled to an electric working machine. The communication circuit performs wireless communication. The communication controller cyclically transmits operational information without specifying a recipient via the communication circuit in response to an operating mode of the communication controller being set to an operation-transmission mode. The operational information indicates an operating state of the electric working machine.

5. 发明申请

US20170160346A1 MEASUREMENT SYSTEM 审中-公开
公开(公告)号：US20170160346A1
公开(公告)日：2017-06-08
申请号：US15434418
申请日：2017-02-16
申请人： MAKITA CORPORATION
发明人： Masafumi NODA , Hitoshi SUZUKI , Masaaki FUKUMOTO , Takuya UMEMURA
IPC分类号： G01R31/36 , H02J7/00
CPC分类号： G01R31/3648 , G01R31/382 , H02J7/0004 , H02J7/0021 , H02J2007/0096 , H02J2007/0098
摘要： A measurement system according to one aspect of the present invention includes a battery pack and at least one type of connected device to which the pack is connected. The pack includes a first detection device detecting a predetermined physical quantity in the pack and having a predetermined measurement range. The connected device includes a second detection device detecting a physical quantity the same as the predetermined physical quantity and having a measurement range different from the range of the first detection device. One of the pack and the connected device includes a receiving device and a measurement processing device that performs a predetermined measurement process by using one of: a detection-value-related information received by the receiving device; and a detection result by one device of the first detection device and the second detection device, the one device being provided in one of the pack and the connected device.

6. 发明申请

US20220292950A1 COMMUNICATOR, ELECTRIC WORKING MACHINE, AND COMMUNICATION METHOD 有权
公开(公告)号：US20220292950A1
公开(公告)日：2022-09-15
申请号：US17828520
申请日：2022-05-31
申请人： MAKITA CORPORATION
发明人： Takuya KUSAKAWA , Masaaki FUKUMOTO
IPC分类号： G08B21/18 , B23D59/00 , B25F5/00 , B28D7/00 , G08C17/02 , H04H20/12 , H04H20/16 , H04H20/57 , H04H20/61 , H04L12/28 , H04L67/12 , H04W4/06 , H04W60/04 , B23Q17/00
摘要： A communicator in one aspect of the present disclosure includes a connector, a communication circuit, and a communication controller. The connector is electrically coupled to an electric working machine. The communication circuit performs wireless communication. The communication controller cyclically transmits operational information without specifying a recipient via the communication circuit in response to an operating mode of the communication controller being set to an operation-transmission mode. The operational information indicates an operating state of the electric working machine.

7. 发明申请

US20150228943A1 BATTERY PACK OF ELECTRIC POWER TOOL 审中-公开
标题翻译：电动工具电池组
公开(公告)号：US20150228943A1
公开(公告)日：2015-08-13
申请号：US14695560
申请日：2015-04-24
申请人： MAKITA CORPORATION
发明人： Takuya UMEMURA , Masaaki FUKUMOTO , Masafumi NODA
IPC分类号： H01M2/10
CPC分类号： H01M2/1055 , B25F5/02 , H01M2/1022 , H01M10/0525 , H01M2220/30 , Y02E60/122
摘要： A battery pack of an electric power tool comprises ten lithium-ion cells. The ten lithium-ion cells are connected in series. Each lithium-ion cell has a diameter equal to or less than 18 millimeters, a length equal to or less than 65 millimeters, and an internal resistance equal to or less than 30 milliohms. Because the battery pack has a high voltage in operation and is therefore able to supply large current, the battery pack is preferably configured incapable of being used in a conventional electric power tool that cannot operate under such a large current.
摘要翻译：电动工具的电池组包括十个锂离子电池。十个锂离子电池串联连接。每个锂离子电池的直径等于或小于18毫米，长度等于或小于65毫米，内阻等于或小于30毫欧。由于电池组在工作中具有高电压并且因此能够提供大电流，所以电池组优选地被配置为不能用于不能在这样大的电流下操作的常规电动工具。

8. 发明申请

US20140300366A1 ELECTRICAL DEVICE SYSTEM AND BATTERY PACK 有权
标题翻译：电气设备系统和电池组
公开(公告)号：US20140300366A1
公开(公告)日：2014-10-09
申请号：US14228850
申请日：2014-03-28
申请人： MAKITA CORPORATION
发明人： Tadahiko KOBAYAKAWA , Hitoshi SUZUKI , Masaaki FUKUMOTO
IPC分类号： G01R31/36
CPC分类号： G01R31/3624 , G01R19/12 , H01M10/4257 , H01M10/441 , H01M10/48 , H01M10/482 , H01M10/486 , H01M2010/4278 , H02J7/0047
摘要： An electrical device system having a battery pack, an electrical device, and a charging device, includes: a current detecting unit that detects a battery current flowing through the battery during a charge to or a discharge from the battery; a battery state detecting unit that detects at least one of a battery voltage and a temperature of a heat generating unit; and a determining unit that estimates an amount of change in at least one of the battery voltage and the temperature of the heat generating unit, based on the battery current, and calculates an amount of actual change in at least one of the battery voltage and the temperature of the heat generating unit, wherein the determining unit determines that the current detecting unit is abnormal, when the difference between the calculated amount of actual change and the estimated amount of change is a default value or more.
摘要翻译：一种具有电池组，电气装置和充电装置的电气装置系统，包括：电流检测单元，其在从电池充电到电池或从电池放电期间检测流过电池的电池电流; 电池状态检测单元，其检测发电单元的电池电压和温度中的至少一个; 以及确定单元，其基于所述电池电流来估计所述电池电压和所述发热单元的温度中的至少一个的变化量，并且计算所述电池电压和所述电池电压中的至少一个的实际变化量当所述计算出的实际变化量与所述估计变化量之间的差为默认值以上时，所述确定单元判定所述电流检测单元异常。

9. 发明申请

US20210375124A1 COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD 有权
公开(公告)号：US20210375124A1
公开(公告)日：2021-12-02
申请号：US17328506
申请日：2021-05-24
申请人： MAKITA CORPORATION
发明人： Masaaki FUKUMOTO , Hiroshi INOUE
IPC分类号： G08C17/02
摘要： A communication device in one aspect of the present disclosure includes a storage, a first wireless communication circuit, an information obtaining circuit, and a storing processing circuit. The first wireless communication circuit receives first information through an antenna. The first information is wirelessly transmitted from a first transmission device. The first information corresponds to the first transmission device. The first transmission device is configured to be connected to an electric work machine or is connected to the electric work machine. The information obtaining circuit obtains the first information through the first wireless communication circuit in response to a first event being occurred or having occurred. The storing processing circuit stores the first information from the information obtaining circuit into a storage.

10. 发明申请

US20190334357A1 Power tool system and battery pack therefor having wireless communicator 审中-公开
公开(公告)号：US20190334357A1
公开(公告)日：2019-10-31
申请号：US16508950
申请日：2019-07-11
申请人： MAKITA CORPORATION
发明人： Nobuyasu FURUI , Hitoshi Suzuki , Masaaki FUKUMOTO , Takuya UMEMURA , Kosuke ITO , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
IPC分类号： H02J7/00 , G08C17/02 , B25F5/02 , B25F5/00 , B25F3/00 , G05B13/02
摘要： 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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