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公开(公告)号：US20240364120A1
公开(公告)日：2024-10-31
申请号：US18691800
申请日：2022-09-23
CPC分类号： H02J7/0013 , H02J7/0031 , H02J7/007 , B25F5/00 , H02J2207/20
摘要： Embodiments described herein provide power management systems including a battery pack powered tool, one or more battery packs coupled to the battery pack powered tool, a first plurality of sub circuits including a switch and one or more first peripheral outputs, and a second plurality of sub circuits including a voltage regulator and one or more second peripheral outputs. The systems also include one or more control lines for enabling or disabling the first plurality of sub circuits and the second plurality of sub circuits.
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公开(公告)号：US20240356354A1
公开(公告)日：2024-10-24
申请号：US18758939
申请日：2024-06-28
申请人： Black & Decker Inc.
发明人： Mehdi RAMEZANI
CPC分类号： H02J7/0048 , B25F5/00 , H02J7/00711 , H02K5/04 , H02K11/0094 , H02P6/16 , H02M7/53871
摘要： A power tool is provided including: a housing including a battery receiving portion configured to receive a removeable power tool battery pack and a motor housing; a brushless direct-current (BLDC) motor disposed within the motor housing, the motor including a stator and a rotor; a power switch circuit disposed between the battery receiving portion and the motor; and a controller that controls a switching operation of the power switch circuit to regulate a supply of power from the battery pack to the motor. At tool start-up, the applies a series of voltage pulses to the motor and measures a corresponding series of motor phase current values to identify an initial position of the rotor relative to the stator. Further, the controller identifies at least one of an impedance or a capacity of the battery pack as a function of the motor phase current values.
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公开(公告)号：US20240351181A1
公开(公告)日：2024-10-24
申请号：US18632492
申请日：2024-04-11
申请人： MAKITA CORPORATION
发明人： Hidenori NAGASAKA , Yuta ARAKI , Ryoichi ISHIKAWA , Tomohiko IMAE
CPC分类号： B25F5/02 , B25F5/001 , E21B11/005
摘要： A rechargeable angle drill includes: a motor, which includes a rotor configured to rotate about a motor rotation axis, the motor rotation axis extending in an up-down direction; a motor housing part, which houses the motor; a trigger lever, which is operated to start the motor; a handle housing part, which is disposed upward of the motor housing part and in which the trigger lever is provided; a speed reduction mechanism; a gear housing part, which is disposed downward of the motor housing part and houses the speed reduction mechanism; and a rotation output part, which protrudes forward from the gear housing part and rotates about an output rotation axis orthogonal to the motor rotation axis based on a rotational force transmitted from the motor via the speed reduction mechanism. The trigger lever is disposed upward of a center of the handle housing part in the up-down direction.
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公开(公告)号：US12122032B2
公开(公告)日：2024-10-22
申请号：US18073107
申请日：2022-12-01
申请人： MAKITA CORPORATION
发明人： Yukiko Eba , Takao Kuroyanagi
CPC分类号： B25F5/001 , B25B21/008 , F16H3/666
摘要： An electric work machine includes: a motor; a first planetary gear mechanism; a second planetary gear mechanism; a spindle; a first speed switch mechanism including a first internal gear of a first stage unit and a second internal gear of a second stage unit; and a second speed switch mechanism. The first speed switch mechanism performs switching between a first speed reducing mode in which rotation of the second internal gear is prevented and rotation of the first internal gear is allowed and a second speed reducing mode in which rotation of the first internal gear is prevented and rotation of the second internal gear is allowed. The second speed switch mechanism performs switching between an enabled mode in which rotation of an internal gear of the second planetary gear mechanism is prevented and a disabled mode in which the rotation of the internal gear is allowed.
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公开(公告)号：US12122031B2
公开(公告)日：2024-10-22
申请号：US17952510
申请日：2022-09-26
申请人： MAKITA CORPORATION
发明人： Yukiko Eba , Yuta Araki
摘要： An electric work machine reduces damage to its components under a greater load on a spindle. An electric work machine includes a motor, a planetary gear assembly rotatable with a rotational force from the motor and including a carrier having a hole having an inner surface including two carrier flat surfaces, a spindle including a rear portion received in the hole and having an outer surface including two spindle flat surfaces, and a spindle locking assembly that transmits a rotational force in one direction from the carrier to the spindle and including a lock cam surrounding the spindle frontward from a front surface of the carrier and rotatable together with the spindle, a lock ring surrounding the lock cam, and a plurality of cylindrical members between the lock cam and the lock ring.
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公开(公告)号：US20240349232A1
公开(公告)日：2024-10-17
申请号：US18292219
申请日：2022-07-26
申请人： Hubbell Incorporated
CPC分类号： H04W64/003 , B25F5/00 , H04W4/029
摘要： Tool monitoring systems and beacon devices used in the tool monitoring systems are provided. The tool monitoring systems permits one or more beacon devices to upload tool information to a cloud-based computing system either directly or indirectly. Direct communication between the beacon devices and the cloud-based computing system 12 utilizes a communication module and a server. Indirect communication between the beacon devices and the cloud-based computing system utilizes a mobile application running on a mobile computing device or platform and a web services running on the server. The beacon devices are worn by a tool user or installed in a fixed location and communicate with one or more tools to retrieve tool information from the one or more tools and upload the tool information to the cloud-based computing system's database.
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公开(公告)号：US12115616B2
公开(公告)日：2024-10-15
申请号：US17620279
申请日：2020-06-23
发明人： Torbjörn Walheim
摘要： The present specification relates to a hand held power tool comprising a housing, the housing comprising a back handle portion at a back end thereof. And a front handle portion at a front end thereof, wherein a motor is arranged in the back handle portion and coupled to an outgoing axle extending through the front handle portion. Wherein the front handle portion comprises an inner tubular structure and an outer tubular gripping sleeve. The outer tubular gripping sleeve is circumferentially supported by at least two vibration absorbing resilient elements arranged around the inner tubular structure, such that a circumferential gap is formed between the inner tubular structure and the outer tubular gripping sleeve.
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公开(公告)号：US12115612B2
公开(公告)日：2024-10-15
申请号：US17749248
申请日：2022-05-20
CPC分类号： B23Q17/007 , B25B21/00 , B25F5/00
摘要： A method of providing cueing signals to a user of a tool. Engagement sensors are positioned, for obtaining engagement data regarding the user's engagement with the tool. The engagement data is compared to a preselected acceptable range of engagement data. If the engagement data is outside the preselected acceptable range of engagement data, then an alert signal is transmitted to an alert device. Upon receipt of the alert signal, the alert device generates a cueing alert signal to indicate that the engagement data is outside the preselected acceptable range.
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公开(公告)号：US12101830B2
公开(公告)日：2024-09-24
申请号：US17773040
申请日：2020-09-25
摘要： A battery pack is provided with: a battery cell; a control part connected to the battery cell; and a wireless communication part connected to the control part and configured to communicate wirelessly with an external device by means of the control part. The wireless communication part wirelessly connects to an electric device having a motor or to an information terminal as the external device for connection. During the wireless connection, priority connection control is performed to connect to the electric device in a wirelessly connectable state.
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公开(公告)号：US12097602B2
公开(公告)日：2024-09-24
申请号：US18035310
申请日：2021-11-09
发明人： Wolfgang Schreiber
CPC分类号： B25F5/02 , B25D11/125 , B25D16/00 , B25F5/001 , B25D2250/065 , B25D2250/121 , B25D2250/361
摘要： The hand-held power tool (1) includes a transmission housing (24) for receiving a transmission (23), a motor housing (25) for receiving a motor (5), a bearing plate (28) arranged between the transmission housing (24) and the motor housing (25) for mounting a shaft (21) of the motor (5), at least one first screw (32) which fastens the bearing plate (28) to the motor housing (25), wherein the first screw (32) is not in engagement with the transmission housing (24), and at least one second screw (33) which fastens the transmission housing (24) to the bearing plate (28), wherein the second screw (33) is not in engagement with the motor housing (25).
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