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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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12.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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公开(公告)号：US20210228040A1
公开(公告)日：2021-07-29
申请号：US15733960
申请日：2019-05-23
Applicant: MAKITA CORPORATION
Inventor： Ryuji MITSUI , Tadahiko KOBAYAKAWA , Takuya UMEMURA , Toru YAMADA , Mamoru SAKAI
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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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
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.
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15.发明申请公开(公告)号：US20150200535A1
公开(公告)日：2015-07-16
申请号：US14596600
申请日：2015-01-14
Applicant: MAKITA CORPORATION
Inventor： Hiroki UESUGI , Takuya UMEMURA , Takayoshi ENDO , Masafumi NODA
CPC classification number: H02H7/18 , H02H3/044 , H02H3/05 , H02J7/0031 , H02J7/0063 , H02J2007/004
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.
Abstract translation: 本公开的实施例的一个方面中的电驱动加工装置包括：电池; 异常检测单元; 电源路径; 第一断开单元; 第二断开单元; 和控制单元。 如果由异常检测单元检测到电池的过载或过度放电，则控制单元激活第一断开单元以断开电源路径，并且随后在激活第一断开单元之后确定来自电池的放电是否停止 并且如果来自电池的放电没有停止，则启动第二断开单元以断开电源路径。
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Patent Agency Ranking
公开(公告)号：US20150153416A1
公开(公告)日：2015-06-04
申请号：US14556698
申请日：2014-12-01
Applicant: MAKITA CORPORATION
Inventor： Takuya UMEMURA , Tadahiko KOBAYAKAWA , Hiroki UESUGI , Hiroshi HANAI
CPC classification number: G01R31/3606 , H01M10/0525 , H01M10/443 , H01M10/48 , H01M10/486 , H02J7/0031 , H02J7/0052 , H02J7/007 , H02J7/008 , H02J7/0091
Abstract: A charge control device includes a voltage detector that detects a voltage of a battery, a temperature detector that detects a battery temperature, a voltage setting unit that sets at least one of a charge completion voltage and an abnormality determination voltage to a high temperature time voltage that is lower than a normal voltage when the battery temperature detected by the temperature detector is or is above a high temperature determination threshold set in advance, and a charging current limiting unit that reduces a charging current a charger supplies to the battery when the battery temperature is in a temperature range between a set temperature that is lower by a predetermined temperature than the high temperature determination threshold and the high temperature determination threshold and the battery voltage detected by the voltage detector is in a voltage range between the normal voltage and the high temperature time voltage.
Abstract translation: 充电控制装置包括检测电池的电压的电压检测器，检测电池温度的温度检测器，将充电完成电压和异常判定电压中的至少一个设定为高温时间电压的电压设定单元 当由温度检测器检测到的电池温度高于或超过预先设定的高温判定阈值时，该温度低于正常电压;以及充电电流限制单元，当电池温度 处于比所述高温判定阈值低预定温度的设定温度和所述高温判定阈值之间的温度范围内，并且所述电压检测器检测出的电池电压处于所述正常电压与所述高温 时间电压。
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公开(公告)号：US20190280501A1
公开(公告)日：2019-09-12
申请号：US16421580
申请日：2019-05-24
Applicant: MAKITA CORPORATION
Inventor： Eiji KONDO , Hironori OGURA , Takuya UMEMURA , Hideyuki TAGA , Yoshihiro ISHIKAWA
Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.
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18.发明申请公开(公告)号：US20190074683A1
公开(公告)日：2019-03-07
申请号：US16181449
申请日：2018-11-06
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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公开(公告)号：US20180003773A1
公开(公告)日：2018-01-04
申请号：US15702099
申请日：2017-09-12
Applicant: MAKITA CORPORATION
Inventor： Takuya UMEMURA , Tadahiko KOBAYAKAWA , Hitoshi SUZUKI
CPC classification number: G01R31/3606 , G01K13/00 , H02J7/0004 , H02J7/0008 , H02J7/0011 , H02J7/0021 , H02J7/0044 , H02J7/0073 , H02J7/0075 , H02J7/041 , H02J7/047 , H02J2007/0067
Abstract: A charge control device of one example of the present invention comprises a temperature detection unit, a storage unit, and an upper limit setting unit. The storage unit stores a reference current characteristic and at least one of a first current characteristic and a second current characteristic as a charging current characteristic, and stores a reference voltage characteristic and at least one of a first voltage characteristic and a second voltage characteristic as a charging voltage characteristic. The upper limit setting unit selects a characteristic used to set upper limits of a charging current and a charging voltage to the battery from among a plurality of the charging current characteristics and a plurality of the charging voltage characteristics stored in the storage unit.
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20.发明申请公开(公告)号：US20170126038A1
公开(公告)日：2017-05-04
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
CPC classification number: H02J7/0044 , A41F9/002 , A45F3/14 , A45F2003/142 , A45F2003/144 , A45F2003/146 , B25F5/02 , H02J7/0027 , H02J7/0042 , H02J7/0054
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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