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公开(公告)号：US20210143375A1
公开(公告)日：2021-05-13
申请号：US17091908
申请日：2020-11-06
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy R. Obermann , David W. Siegler , Alexander Huber , William F. Chapman, III , Patrick D. Gallagher , Timothy J. Bartlett
Abstract: A gas engine replacement device includes a housing, a battery receptacle coupled to the housing to receive a battery pack, a motor within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to provide power from the battery pack to the motor, and an electronic processor coupled to the power switching network and configured to control the power switching network to rotate the motor and to receive a command speed, determine whether the command speed is in an exclusion zone, set an output speed at the command speed responsive to the command speed being outside the exclusion zone, set the output speed to a speed outside the exclusion zone responsive to the command speed being in the exclusion zone, and control the power switching network to rotate the motor in accordance with the output speed.
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2.发明申请公开(公告)号：US20240429728A1
公开(公告)日：2024-12-26
申请号：US18704038
申请日：2022-10-26
Applicant: Milwaukee Electric Tool Corporation
Inventor： Jonathan E. Abbott , Matthew R. Polakowski , Andrew S. Lentz , David W. Siegler
IPC: H02J7/00 , H01M10/44 , H01M10/613 , H01M10/615 , H01M10/6235
Abstract: A power tool battery charger includes a battery pack interface configured to receive a power tool battery pack and provide charging current to the battery pack and an electronic controller including a processor. The electronic controller can be configured to receive a set of data associated with the power tool battery pack and use of the power tool battery pack, determine a time for performing a maintenance procedure based on the set of data, determine one or more maintenance procedures to be performed on the power tool battery pack based on the set of data, and perform the one or more maintenance procedures on the power tool battery pack at the determined time. The maintenance procedures may include determining a maximum capacity of the battery pack, cell balancing of the battery pack, cooling the battery pack or heating the battery pack.
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公开(公告)号：US20240372190A1
公开(公告)日：2024-11-07
申请号：US18774376
申请日：2024-07-16
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy R. Obermann , David W. Siegler , Alexander Huber , William F. Chapman, III , Patrick D. Gallagher , Timothy J. Bartlett
Abstract: A gas engine replacement device includes a housing, a battery receptacle coupled to the housing to receive a battery pack, a motor within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to provide power from the battery pack to the motor, and an electronic processor coupled to the power switching network and configured to control the power switching network to rotate the motor and to receive a command speed, determine whether the command speed is in an exclusion zone, set an output speed at the command speed responsive to the command speed being outside the exclusion zone, set the output speed to a speed outside the exclusion zone responsive to the command speed being in the exclusion zone, and control the power switching network to rotate the motor in accordance with the output speed.
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公开(公告)号：US12074333B2
公开(公告)日：2024-08-27
申请号：US17091908
申请日：2020-11-06
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy R. Obermann , David W. Siegler , Alexander Huber , William F. Chapman, III , Patrick D. Gallagher , Timothy J. Bartlett
Abstract: A gas engine replacement device includes a housing, a battery receptacle coupled to the housing to receive a battery pack, a motor within the housing, a power take-off shaft receiving torque from the motor and protruding from a side of the housing, a power switching network configured to provide power from the battery pack to the motor, and an electronic processor coupled to the power switching network and configured to control the power switching network to rotate the motor and to receive a command speed, determine whether the command speed is in an exclusion zone, set an output speed at the command speed responsive to the command speed being outside the exclusion zone, set the output speed to a speed outside the exclusion zone responsive to the command speed being in the exclusion zone, and control the power switching network to rotate the motor in accordance with the output speed.
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