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公开(公告)号：US20240352752A1
公开(公告)日：2024-10-24
申请号：US18686103
申请日：2022-11-08
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Collin C. Rink , Jacob R. McDonald , John L. O’Sullivan , Carmen J. Castanos , Erik A. Freeberg , Terry L. Timmons
Abstract: A concrete vibrator includes a housing having a motor housing portion extending along a longitudinal axis and a handle portion extending transverse to the longitudinal axis and spaced from the motor housing portion, defining an opening between the handle portion and the motor housing portion. The concrete vibrator also includes a trigger, a brushless DC electric motor positioned within the motor housing portion, a battery pack configured to provide electrical power to the electric motor to drive the motor, and an electronic processor electrically connected with the motor and the battery pack. The electronic processor is configured to adjust the electrical power to the motor in a closed loop to maintain operation of the motor at a rotational speed set point. The concrete vibrator also includes a vibrator head configured to receive torque from the motor, causing the vibrator head to vibrate.
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公开(公告)号：US11557989B2
公开(公告)日：2023-01-17
申请号：US17342879
申请日：2021-06-09
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy J. Bartlett , Zachary J. Evans , Jacob R. McDonald
Abstract: Braking a power tool motor based on a phase voltage of the motor. The power tool includes a motor and a power source providing operating power to the motor. A power switching network is between the power source and the motor to drive the motor. An actuator is operable to provide an input. An electronic controller is connected to the actuator and the power switching network. The electronic controller is configured to receive an indication related to initiating braking of the motor, control the power switching network to allow the motor to coast, monitor a phase voltage of the motor, determine whether the phase voltage of the motor is equal to or less than a phase voltage threshold, and control, in response to the phase voltage of the motor being equal to or less than the phase voltage threshold, the power switching network to brake the motor.
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Patent Agency Ranking
公开(公告)号：US12278586B2
公开(公告)日：2025-04-15
申请号：US18150308
申请日：2023-01-05
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy J. Bartlett , Zachary J. Evans , Jacob R. McDonald
Abstract: Braking a power tool motor based on a phase voltage of the motor. The power tool includes a motor and a power source providing operating power to the motor. A power switching network is between the power source and the motor to drive the motor. An actuator is operable to provide an input. An electronic controller is connected to the actuator and the power switching network. The electronic controller is configured to receive an indication related to initiating braking of the motor, control the power switching network to allow the motor to coast, monitor a phase voltage of the motor, determine whether the phase voltage of the motor is equal to or less than a phase voltage threshold, and control, in response to the phase voltage of the motor being equal to or less than the phase voltage threshold, the power switching network to brake the motor.
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公开(公告)号：US20230147317A1
公开(公告)日：2023-05-11
申请号：US18150308
申请日：2023-01-05
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy J. Bartlett , Zachary J. Evans , Jacob R. McDonald
Abstract: Braking a power tool motor based on a phase voltage of the motor. The power tool includes a motor and a power source providing operating power to the motor. A power switching network is between the power source and the motor to drive the motor. An actuator is operable to provide an input. An electronic controller is connected to the actuator and the power switching network. The electronic controller is configured to receive an indication related to initiating braking of the motor, control the power switching network to allow the motor to coast, monitor a phase voltage of the motor, determine whether the phase voltage of the motor is equal to or less than a phase voltage threshold, and control, in response to the phase voltage of the motor being equal to or less than the phase voltage threshold, the power switching network to brake the motor.
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公开(公告)号：US20250135561A1
公开(公告)日：2025-05-01
申请号：US18835965
申请日：2023-02-06
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Carmen J. Castanos , Kallol Barai , Hans T. Banholzer , Evan Brown , Julia C. Marsh , Coby A. Nettleton , Dominick S. Ropella , Troy C. Thorson , Terry L. Timmons , Kailie M. Romanski , Justin T. Bickman , Jacob R. McDonald
IPC: B23D29/00
Abstract: A power tool is disclosed and includes a housing and a motor disposed within the housing. The power tool further includes a first blade and a second blade movable relative to the first blade by the motor. During operation, a cutting stroke length of the first blade relative to the second blade is selectively adjustable based on a direction of rotation of the motor.
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公开(公告)号：US12214432B2
公开(公告)日：2025-02-04
申请号：US17051817
申请日：2020-07-23
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jacob R. McDonald , Timothy J. Bartlett , Karly M. Schober , Paul W. Eiche
Abstract: A circular saw includes a blade guard and a saw blade at least partially enclosed within the blade guard. The saw blade has an outer diameter that is greater than 6 inches. The circular saw further includes a motor housing coupled to the blade guard, a brushless electric motor supported within the motor housing, and a battery pack for providing power to the brushless electric motor.
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公开(公告)号：US20210391811A1
公开(公告)日：2021-12-16
申请号：US17342879
申请日：2021-06-09
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy J. Bartlett , Zachary J. Evans , Jacob R. McDonald
Abstract: Braking a power tool motor based on a phase voltage of the motor. The power tool includes a motor and a power source providing operating power to the motor. A power switching network is between the power source and the motor to drive the motor. An actuator is operable to provide an input. An electronic controller is connected to the actuator and the power switching network. The electronic controller is configured to receive an indication related to initiating braking of the motor, control the power switching network to allow the motor to coast, monitor a phase voltage of the motor, determine whether the phase voltage of the motor is equal to or less than a phase voltage threshold, and control, in response to the phase voltage of the motor being equal to or less than the phase voltage threshold, the power switching network to brake the motor.
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