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公开(公告)号：US20250167316A1
公开(公告)日：2025-05-22
申请号：US19029555
申请日：2025-01-17
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James P. Elfering , Cameron R. Schulz , Ryan B. Jipp , Samuel Sheeks , Kyle J. Radovich , Michael Kolden
IPC: H01M10/42 , H01M50/213 , H01M50/24 , H01M50/247 , H01M50/503 , H01M50/509 , H01M50/516 , H02J7/00 , H02J7/34
Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60 Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.
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公开(公告)号：US11784518B2
公开(公告)日：2023-10-10
申请号：US16548436
申请日：2019-08-22
Applicant: Milwaukee Electric Tool Corporation
Inventor： Jeffrey C. Hessenberger , Michael Kolden , Andrew T. Beyerl
Abstract: An electric motor for use with a power tool includes a rotor having a body, a stator having a plurality of electromagnetic coils surrounding the rotor, an output shaft coupled to the rotor for rotation with the rotor, and a plurality of magnets positioned within the body of the rotor. The motor also includes a mechanical magnet holder coupled to at least one of the rotor and the output shaft to engage each of the plurality of magnets. The mechanical magnet holder inhibits movement of the plurality of magnets out of the body of the rotor.
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公开(公告)号：US20220094004A1
公开(公告)日：2022-03-24
申请号：US17539670
申请日：2021-12-01
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew T. Beyerl , Michael Kolden , Troy C. Thorson , Jeffrey M. Wackwitz , Jeffrey S. Holly
IPC: H01M50/213 , H01M50/20 , H01M50/209
Abstract: A battery pack that is connectable to and supportable by a power tool (e.g., a hand-held power tool). The battery pack includes a top housing having a support member. The support member of the battery pack top housing is configured or operable to reinforce a support portion of the battery pack that is used to connect the battery pack to the power tool. By reinforcing the support portion of the battery pack, an interface between the battery pack and the power tool is able to withstand greater forces (e.g., from vibrations caused by the power tool).
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公开(公告)号：US20210296969A1
公开(公告)日：2021-09-23
申请号：US17341631
申请日：2021-06-08
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Matthew J. Mergener , Michael Kolden , William E. Check , Matthew P. Wycklendt , Andrew T. Beyerl , John W. Thiele , Todd C. Hunkins
Abstract: A power tool with a combined printed circuit board (PCB) that reduces internal wiring of the power tool and provides a large amount of air flow to internal components. In some instances, the combined PCB has a surfboard shape and includes a motor control unit and power switching elements (Field Effect Transistors or FETs). The combined surfboard PCB is located above the trigger, but below the motor and drive mechanism. In other instances, the combined PCB has a doughnut shape and is located coaxially with a motor shaft. The combined PCB may be positioned between a doughnut-shaped control PCB and the motor.
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公开(公告)号：US20210203027A1
公开(公告)日：2021-07-01
申请号：US17202782
申请日：2021-03-16
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James P. Elfering , Cameron R. Schulz , Ryan B. Jipp , Samuel Sheeks , Kyle J. Radovich , Michael Kolden
IPC: H01M50/20 , H01M10/42 , H02J7/34 , H01M50/24 , H01M50/502
Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60 Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.
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Patent Agency Ranking
公开(公告)号：US10950912B2
公开(公告)日：2021-03-16
申请号：US15974151
申请日：2018-05-08
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James P. Elfering , Cameron R. Schulz , Ryan B. Jipp , Samuel Sheeks , Kyle J. Radovich , Michael Kolden
Abstract: A battery pack and a method of assembling a battery pack. The battery pack may include an outer housing; a cell module supportable by the outer housing, the cell module including a module housing, a plurality of battery cells supported by the module housing, the battery cells having an energy of at least about 60 Watt-hours, a controller operable to control an operation of the battery pack, a conductive strap electrically connected to at least one of the battery cells, a weld strap connected between the controller and the conductive strap, and a terminal electrically connected to the battery cells and operable to connect the battery cells to an electrical device for power transfer; and a vapor-deposited, hydrophobic nano coating applied to at least a portion of the cell module.
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公开(公告)号：US10476350B2
公开(公告)日：2019-11-12
申请号：US15676214
申请日：2017-08-14
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jeffery C. Hessenberger , Michael Kolden , Andrew T. Beyerl
Abstract: An electric motor includes first and second balancing members coupled to an output shaft for rotation with a rotor. The first and second balancing members substantially balance a mass of the rotor about a longitudinal axis of the output shaft to reduce vibrations of the electric motor during use. The first balancing member includes a brass bushing supported on the output shaft adjacent a first face of the body of the rotor. The brass bushing includes a hole drilled into an outer circumference of the brass bushing providing a first balancing feature of the electric motor. The second balancing member includes a fan supported on the output shaft adjacent a second face of the body of the rotor. The fan includes a plurality of fins extending from a first face of the fan and a second balancing feature of material removed from a second face of the fan.
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公开(公告)号：US10305155B2
公开(公告)日：2019-05-28
申请号：US15667402
申请日：2017-08-02
Applicant: Milwaukee Electric Tool Corporation
Inventor： Jeremy R. Ebner , Cameron R. Schulz , Troy C. Thorson , Todd M. Gehring , Michael Kolden
IPC: H01M4/02 , H01M10/659 , H01M2/10 , H01M2/12
Abstract: A bladder configured to support a phase change material in a heat transfer relationship with at least one battery cell including a wall defining a channel, the phase change material surrounding a portion of the channel.
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公开(公告)号：US20180248446A1
公开(公告)日：2018-08-30
申请号：US15966443
申请日：2018-04-30
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Matthew J. Mergener , Michael Kolden , William E. Check , Matthew P. Wycklendt , Andrew T. Beyerl
IPC: H02K7/14 , B25F5/00 , H02K11/215 , H02K11/33 , H05K1/11 , H02K9/06 , H02K29/08 , H02K5/04 , H05K7/20 , B25B21/02 , H05K1/02 , H05K1/18 , H02K21/04 , H02K11/38
Abstract: A power tool with a combined printed circuit board (PCB) that reduces internal wiring of the power tool and provides a large amount of air flow to internal components. In some instances, the combined PCB has a surfboard shape and includes a motor control unit and power switching elements (Field Effect Transistors or FETs). The combined surfboard PCB is located above the trigger, but below the motor and drive mechanism. In other instances, the combined PCB has a doughnut shape and is located coaxially with a motor shaft. The combined PCB may be positioned between a doughnut-shaped control PCB and the motor.
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公开(公告)号：US09553297B2
公开(公告)日：2017-01-24
申请号：US14856594
申请日：2015-09-17
Applicant: Milwaukee Electric Tool Corporation
Inventor： Michael Kolden , Samuel Sheeks
CPC classification number: H01M2/32 , B25F5/02 , H01M2/022 , H01M2/105 , H01M2/1055 , H01M2/204 , H01M2/36 , H01M10/05 , H01M10/425 , H01M2220/30 , H05K5/0221 , H05K5/0239 , H05K5/03
Abstract: The present invention relates to a battery pack including a housing, a latch mechanism, a printed circuit board connected to electrical terminals, and an internal frame. The housing includes a first and second portion. The first portion includes openings that receive the latch mechanism and openings that receive the terminals. The battery pack also includes a latch cover that protects against water infiltrating between the openings and the latch mechanism, and a terminal cover that protects against water infiltrating between the first housing portion and the terminals. Water that enters the battery pack is directed to the bottom of the battery pack. The water is then drained through openings in the lower housing portion. The internal frame includes openings that secure batteries within the lower housing portion with the help of wedges that are positioned in between adjacent rows of batteries.
Abstract translation: 本发明涉及一种电池组，其包括壳体，闩锁机构，连接到电气端子的印刷电路板和内部框架。 壳体包括第一和第二部分。 第一部分包括容纳闩锁机构的开口和接收端子的开口。 电池组还包括防止渗透在开口和闩锁机构之间的水的闩锁盖和防止在第一壳体部分和端子之间渗透的水的端子盖。 进入电池组的水被引导到电池组的底部。 然后通过下壳体部分中的开口排水。 内部框架包括通过位于相邻行电池之间的楔子的帮助来将电池固定在下壳体部分内的开口。
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