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    Auxiliary energy circuit for battery-powered power tool
    3.
    发明授权
    Auxiliary energy circuit for battery-powered power tool 有权

    公开(公告)号：US11031811B2

    公开(公告)日：2021-06-08

    申请号：US16521664

    申请日：2019-07-25

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： William Varian ,  Aditya Subramanian ,  Ryan B. Jipp ,  Samuel Sheeks

    IPC: H01M2/10 ,  H02J11/00 ,  H02K7/14 ,  H02J7/00

    Abstract: A system supplies supplemental power to a power tool. The system includes a motor coupled to an output driver, a trigger for user control of power tool operation, a sensor configured to measure an operation characteristic, a battery pack coupled to the motor, and an auxiliary energy supply. A motor controller receives a control signal from the trigger and drives the motor utilizing energy from the battery pack in response to the control signal. The motor controller also receives information from the sensor and provides additional energy to the motor from the auxiliary energy supply depending on the information from the sensor (e.g., motor speed, motor rotational position, motor current, or trigger pull percentage). The controller may connect the auxiliary energy supply in series with the battery pack to supply the supplemental power. A battery charger or energy recapture may be utilized to charge the auxiliary energy supply.

    AUXILIARY ENERGY CIRCUIT FOR BATTERY-POWERED POWER TOOL
    4.
    发明申请
    AUXILIARY ENERGY CIRCUIT FOR BATTERY-POWERED POWER TOOL 审中-公开

    公开(公告)号：US20200036223A1

    公开(公告)日：2020-01-30

    申请号：US16521664

    申请日：2019-07-25

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： William Varian ,  Aditya Subramanian ,  Ryan B. Jipp ,  Samuel Sheeks

    IPC: H02J11/00 ,  H02J7/00 ,  H02K7/14

    Abstract: A system supplies supplemental power to a power tool. The system includes a motor coupled to an output driver, a trigger for user control of power tool operation, a sensor configured to measure an operation characteristic, a battery pack coupled to the motor, and an auxiliary energy supply. A motor controller receives a control signal from the trigger and drives the motor utilizing energy from the battery pack in response to the control signal. The motor controller also receives information from the sensor and provides additional energy to the motor from the auxiliary energy supply depending on the information from the sensor (e.g., motor speed, motor rotational position, motor current, or trigger pull percentage). The controller may connect the auxiliary energy supply in series with the battery pack to supply the supplemental power. A battery charger or energy recapture may be utilized to charge the auxiliary energy supply.

    AUXILIARY ENERGY CIRCUIT FOR BATTERY-POWERED POWER TOOL
    7.
    发明申请
    AUXILIARY ENERGY CIRCUIT FOR BATTERY-POWERED POWER TOOL 有权

    公开(公告)号：US20210273482A1

    公开(公告)日：2021-09-02

    申请号：US17325530

    申请日：2021-05-20

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： William Varian ,  Aditya Subramanian ,  Ryan B. Jipp ,  Samuel Sheeks

    IPC: H02J11/00 ,  H02K7/14 ,  H02J7/00

    Abstract: A power tool comprising a housing, an interface configured to receive a battery pack, a trigger for user control of power tool operation, at least one sensor configured to measure an operational characteristic of the power tool, and a controller. The controller is configured to receive a control signal from the trigger, control the power tool in response to the control signal, receive power tool operational data from the at least one sensor indicative of the operational characteristic of the power tool, and provide additional energy to the power tool via an auxiliary energy supply within the power tool housing based on the operational characteristic of the power tool.

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