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    Power Tool with High-Speed Electric Motor
    2.
    发明申请
    Power Tool with High-Speed Electric Motor 有权
    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

    Applicant: MAKITA CORPORATION

    Inventor： Kenji ABE ,  Masayoshi OKUMI ,  Hidenori NAGASAKA ,  Motohiro OMURA ,  Masaaki FUKUMOTO ,  Kenji SHIBATA ,  Nobuyasu FURUI ,  Masanori HIGASHI ,  Kiyoshi AOYAMA

    IPC: B23D45/16

    CPC classification number: B23D47/12 ,  B24B23/02 ,  B24B47/12 ,  B25F5/008 ,  B25F5/02

    Abstract: 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.

    Abstract translation: 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。

    MOTOR-DRIVEN APPLIANCE SYSTEM AND METHOD FOR CONTROLLING THE SYSTEM
    3.
    发明申请
    MOTOR-DRIVEN APPLIANCE SYSTEM AND METHOD FOR CONTROLLING THE SYSTEM 有权
    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

    Applicant: MAKITA CORPORATION

    Inventor： Hitoshi SUZUKI ,  Masafumi NODA ,  Masaaki FUKUMOTO

    IPC: H02P23/00

    CPC classification number: H02P23/0004 ,  B25F5/00

    Abstract: 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.

    Abstract translation: 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。

    MEASUREMENT SYSTEM
    6.
    发明申请
    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

    Applicant: MAKITA CORPORATION

    Inventor： Masafumi NODA ,  Hitoshi SUZUKI ,  Masaaki FUKUMOTO ,  Takuya UMEMURA

    IPC: G01R31/36 ,  H02J7/00

    CPC classification number: G01R31/3648 ,  G01R31/382 ,  H02J7/0004 ,  H02J7/0021 ,  H02J2007/0096 ,  H02J2007/0098

    Abstract: 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.

    BATTERY PACK OF ELECTRIC POWER TOOL
    8.
    发明申请
    BATTERY PACK OF ELECTRIC POWER TOOL 审中-公开
    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

    Applicant: MAKITA CORPORATION

    Inventor： Takuya UMEMURA ,  Masaaki FUKUMOTO ,  Masafumi NODA

    IPC: H01M2/10

    CPC classification number: H01M2/1055 ,  B25F5/02 ,  H01M2/1022 ,  H01M10/0525 ,  H01M2220/30 ,  Y02E60/122

    Abstract: 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.

    Abstract translation: 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。

    ELECTRICAL DEVICE SYSTEM AND BATTERY PACK
    9.
    发明申请
    ELECTRICAL DEVICE SYSTEM AND BATTERY PACK 有权
    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

    Applicant: MAKITA CORPORATION

    Inventor： Tadahiko KOBAYAKAWA ,  Hitoshi SUZUKI ,  Masaaki FUKUMOTO

    IPC: G01R31/36

    CPC classification number: G01R31/3624 ,  G01R19/12 ,  H01M10/4257 ,  H01M10/441 ,  H01M10/48 ,  H01M10/482 ,  H01M10/486 ,  H01M2010/4278 ,  H02J7/0047

    Abstract: 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.

    Abstract translation: 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。

    COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD
    10.
    发明申请
    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

    Applicant: MAKITA CORPORATION

    Inventor： Masaaki FUKUMOTO ,  Hiroshi INOUE

    IPC: G08C17/02

    Abstract: 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.

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