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公开(公告)号：US20240380218A1
公开(公告)日：2024-11-14
申请号：US18783899
申请日：2024-07-25
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Douglas R. Fieldbinder , Catherine K. Semon
Abstract: Communication systems described herein may include a wireless charging device with a plurality of charging stations. The wireless charging device may communicate with a first battery pack via at least one of a wireless communication device and a first battery pack detection sensor of a first charging station. The wireless charging device may communicate with a second battery pack via at least one of the wireless communication device and a second battery pack detection sensor of a second charging station. The wireless charging device may determine that the first battery pack was manufactured by a different manufacturer than the second battery pack. The wireless charging device may communicate status information to an external device for display by the external device. The status information may include a first manufacturer of the first battery pack and a second manufacturer of the second battery pack that is different than the first manufacturer.
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公开(公告)号：US20240100677A1
公开(公告)日：2024-03-28
申请号：US18527559
申请日：2023-12-04
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Timothy R. Obermann , Douglas R. Fieldbinder , Alexander Huber
Abstract: A method for automatic control switching for driving a sensorless motor of a power tool, the method including generating, using a signal generator, a high-frequency injection signal. The method includes coupling, using a coupling circuit, the high-frequency injection signal to an injection coil of the sensorless motor. The method includes decoupling, using a de-coupling circuit, a response to the high-frequency injection signal from a phase coil of the sensorless motor. The method includes determine a sensorless motor condition based upon the response of the injection coil to the high-frequency injection signal. The method includes driving, using a controller of the power tool, the sensorless motor based upon the sensorless motor condition.
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公开(公告)号：US20240042591A1
公开(公告)日：2024-02-08
申请号：US18490295
申请日：2023-10-19
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Maxwell L. Merget , Douglas R. Fieldbinder , Jacob P. Schneider
Abstract: A trigger assembly for a power tool includes a housing, a moveable plunger extending from a surface of the housing, the movable plunger includes a first end disposed externally from the housing and a second end disposed internally within the housing. The trigger assembly further includes a trigger shoe coupled to the first end of the moveable plunger, and an arm including a first side that is moveably connected to the second end of the moveably plunger and a second side that is coupled to a magnet. The trigger assembly also includes a sensor configured to sense a magnetic field of the magnet. Movement of the trigger shoe rotates the magnet, and alters the magnetic field sensed by the sensor.
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公开(公告)号：US20230234205A1
公开(公告)日：2023-07-27
申请号：US18295543
申请日：2023-04-04
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jonathan E. Abbott , Timothy R. Obermann , John S. Dey, IV , Benjamin R. Suhr , Richard A. Ryer , Maxwell L. Merget , Douglas R. Fieldbinder
CPC classification number: B25F5/001 , B25F5/02 , H02K7/145 , H02K7/003 , H02K11/21 , B25D16/00 , B25B21/02 , B25F5/00 , B25D2250/221 , B25D2250/265 , B25D2250/205 , B25D2250/201
Abstract: Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor coupled to the switching network and the movement sensor and configured to implement kickback control of the power tool. To implement the kickback control, the electronic processor is configured to control the switching network to drive the brushless DC motor, receive measurements of the angular velocity of the housing of the power tool from the movement sensor, determine that a plurality of the measurements of the angular velocity of the housing of the power tool exceed a rotation speed threshold, and control the switching network to cease driving of the brushless DC motor in response to determining that the plurality of the measurements of the angular velocity exceed the rotation speed threshold.
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公开(公告)号：US11607790B2
公开(公告)日：2023-03-21
申请号：US17231524
申请日：2021-04-15
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jonathan E. Abbott , Timothy R. Obermann , John S. Dey, IV , Benjamin R. Suhr , Richard A. Ryer , Maxwell L. Merget , Douglas R. Fieldbinder
Abstract: Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor coupled to the switching network and the movement sensor and configured to implement kickback control of the power tool. To implement the kickback control, the electronic processor is configured to control the switching network to drive the brushless DC motor, receive measurements of the angular velocity of the housing of the power tool from the movement sensor, determine that a plurality of the measurements of the angular velocity of the housing of the power tool exceed a rotation speed threshold, and control the switching network to cease driving of the brushless DC motor in response to determining that the plurality of the measurements of the angular velocity exceed the rotation speed threshold.
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Patent Agency Ranking
公开(公告)号：US12115644B2
公开(公告)日：2024-10-15
申请号：US18490295
申请日：2023-10-19
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Maxwell L. Merget , Douglas R. Fieldbinder , Jacob P. Schneider
Abstract: A trigger assembly for a power tool includes a housing, a moveable plunger extending from a surface of the housing, the movable plunger includes a first end disposed externally from the housing and a second end disposed internally within the housing. The trigger assembly further includes a trigger shoe coupled to the first end of the moveable plunger, and an arm including a first side that is moveably connected to the second end of the moveably plunger and a second side that is coupled to a magnet. The trigger assembly also includes a sensor configured to sense a magnetic field of the magnet. Movement of the trigger shoe rotates the magnet, and alters the magnetic field sensed by the sensor.
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公开(公告)号：US12068622B2
公开(公告)日：2024-08-20
申请号：US17488551
申请日：2021-09-29
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Douglas R. Fieldbinder , Catherine K. Semon
CPC classification number: H02J7/00045 , H02J7/0013 , H02J7/0048 , H02J50/12 , H02J50/20 , H02J50/402 , H02J50/80 , H02J50/90
Abstract: Communication systems described herein may include a wireless charging device with a plurality of charging stations. The wireless charging device may communicate with a first battery pack via at least one of a wireless communication device and a first battery pack detection sensor of a first charging station. The wireless charging device may communicate with a second battery pack via at least one of the wireless communication device and a second battery pack detection sensor of a second charging station. The wireless charging device may determine that the first battery pack was manufactured by a different manufacturer than the second battery pack. The wireless charging device may communicate status information to an external device for display by the external device. The status information may include a first manufacturer of the first battery pack and a second manufacturer of the second battery pack that is different than the first manufacturer.
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公开(公告)号：US20240083001A1
公开(公告)日：2024-03-14
申请号：US18462882
申请日：2023-09-07
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Douglas R. Fieldbinder , Maxwell L. Merget , Jacob P. Schneider , Mitchell A. Gibson
IPC: B25B29/02 , B25B23/142
CPC classification number: B25B29/02 , B25B23/1425
Abstract: A bolt tensioning tool includes a housing, an electric motor positioned within the housing, a tensioning assembly connectable to a bolt for applying tension thereto, and a bolt tension monitoring system. The bolt has a threaded portion and a surface. The bolt tension monitoring system includes a transmitter, a receiver, a sensor housing, and a controller. The sensor housing has an inner wall defining a recess that receives the surface of the bolt. The controller determines a dimension of the bold during a tensioning operation and determines the tension in the bolt based on the dimension. The bolt tension monitoring system monitors the tension of the bolt during a tensioning operation. The tension assembly applies tension to the bolt during the tensioning operation.
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公开(公告)号：US20220134532A1
公开(公告)日：2022-05-05
申请号：US17056090
申请日：2020-05-12
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Maxwell L. Merget , Douglas R. Fieldbinder , Jacob P. Schneider
Abstract: A trigger assembly for a power tool includes a housing, a moveable plunger extending from a surface of the housing, the movable plunger includes a first end disposed externally from the housing and a second end disposed internally within the housing. The trigger assembly further includes a trigger shoe coupled to the first end of the moveable plunger, and an arm including a first side that is moveably connected to the second end of the moveably plunger and a second side that is coupled to a magnet. The trigger assembly also includes a sensor configured to sense a magnetic field of the magnet. Movement of the trigger shoe rotates the magnet, and alters the magnetic field sensed by the sensor.
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公开(公告)号：US20220102995A1
公开(公告)日：2022-03-31
申请号：US17488551
申请日：2021-09-29
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Douglas R. Fieldbinder , Catherine K. Semon
Abstract: Communication systems described herein may include a wireless charging device with a plurality of charging stations. The wireless charging device may communicate with a first battery pack via at least one of a wireless communication device and a first battery pack detection sensor of a first charging station. The wireless charging device may communicate with a second battery pack via at least one of the wireless communication device and a second battery pack detection sensor of a second charging station. The wireless charging device may determine that the first battery pack was manufactured by a different manufacturer than the second battery pack. The wireless charging device may communicate status information to an external device for display by the external device. The status information may include a first manufacturer of the first battery pack and a second manufacturer of the second battery pack that is different than the first manufacturer.
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