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Patent Agency Ranking
公开(公告)号：US12113383B2
公开(公告)日：2024-10-08
申请号：US17218502
申请日：2021-03-31
Inventor： Masaki Ikeda , Tatsuya Miwa , Yu Ota
CPC classification number: H02J7/0024 , H02J7/00036 , H02J7/00302 , H02J7/0047 , H02J7/0071 , H02J7/00711 , H02J7/00712 , H02J7/00714 , H02J7/007182 , H01M10/441 , H02J7/0013
Abstract: A charging system is configured to charge a battery pack including one or more battery cells. The charging system includes an acquirer and a controller. The acquirer is configured to acquire, as an acquisition voltage, a voltage between terminals or a cell voltage of each of the one or more battery cells in the battery pack which is being charged. The controller is configured to, when the voltage between the terminals or the cell voltage reaches a target voltage, cause a first charging mode allowing fast charging to transition to a second charging mode in which a charge current is lower than in the first charging mode. The controller is configured to stop charging operation when the acquisition voltage acquired by the acquirer decreases and an aspect of a decrease in the acquisition voltage satisfies a predetermined condition in the second charging mode.
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公开(公告)号：US09553534B2
公开(公告)日：2017-01-24
申请号：US14631935
申请日：2015-02-26
Inventor： Tatsuya Miwa , Masaki Ikeda , Naoki Tsuruta
Abstract: An electric power tool includes a drive source, a rechargeable battery that supplies power to the drive source, a voltage meter that measures voltage of the rechargeable battery, a temperature meter that measures temperature of the rechargeable battery, and a drive control unit that regulates the power supplied to the drive source from the rechargeable battery to drive the drive source. If the battery temperature measured by the temperature meter is lower than or equal to a predetermined temperature when the battery voltage measured by the voltage meter is lower than or equal to a predetermined voltage, the drive control unit drives the drive source differently from normal driving that is performed if the battery temperature is higher than the predetermined temperature when the battery voltage is higher than the predetermined voltage.
Abstract translation: 一种电动工具包括驱动源，向驱动源供电的可再充电电池，测量可再充电电池电压的电压表，测量可再充电电池温度的温度计，以及调节该可再充电电池的温度的驱动控制单元 电源从可充电电池供应到驱动源以驱动驱动源。 如果当由电压表测量的电池电压低于或等于预定电压时由温度计测量的电池温度低于或等于预定温度，驱动控制单元驱动驱动源与正常驱动不同， 当电池电压高于预定电压时，如果电池温度高于预定温度则执行。
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公开(公告)号：US10944277B2
公开(公告)日：2021-03-09
申请号：US14633376
申请日：2015-02-27
Inventor： Masaki Ikeda , Tatsuya Miwa , Naoki Tsuruta
IPC: H02J7/00 , H02J5/00 , G01R31/382 , H02J7/02
Abstract: A power tool charging device includes a charging unit that charges a rechargeable battery of a power tool, a condition detection unit that detects condition information of the rechargeable battery, and an information processing unit that receives the condition information of the rechargeable battery from the condition detection unit and outputs the received condition information of the rechargeable battery to a communication unit capable of performing near field communication with another device.
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公开(公告)号：US10749353B2
公开(公告)日：2020-08-18
申请号：US14633323
申请日：2015-02-27
Inventor： Naoki Tsuruta , Masaki Ikeda , Tatsuya Miwa
Abstract: An electric power tool that receives driving power from a rechargeable battery includes loads and a control circuit that controls supply of the driving power from the rechargeable battery to the loads. The control circuit sets and stores for each of the loads a reference voltage value of the rechargeable battery used for stopping or issuing a notification in order to obviate over-discharging of the rechargeable battery.
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公开(公告)号：US09430928B2
公开(公告)日：2016-08-30
申请号：US14633355
申请日：2015-02-27
Inventor： Masaki Ikeda , Tatsuya Miwa , Naoki Tsuruta
CPC classification number: G08B21/18 , B25F5/00 , G08C2201/93 , H04L67/12 , H04L67/125 , H04L67/34 , H04Q9/00 , H04Q2209/40 , H04W88/04
Abstract: A power tool system includes a plurality of tool devices. Each of the tool devices includes a condition detection unit that detects condition information of the tool device and a communication unit capable of performing bidirectional wireless communication with a further one of the tool devices. The communication unit is configured to obtain the condition information of the tool device from the condition detection unit and transmit the obtained condition information of the tool device to the further one of the tool devices.
Abstract translation: 电动工具系统包括多个工具装置。 每个工具装置包括条件检测单元，其检测工具装置的条件信息和能够与另一个工具装置进行双向无线通信的通信单元。 通信单元被配置为从条件检测单元获取工具装置的状态信息，并将获得的工具装置的条件信息发送到工具装置中的另一个。
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