公开(公告)号：US20240208028A1

公开(公告)日：2024-06-27

申请号：US18597411

申请日：2024-03-06

Applicant: Black & Decker Inc.

Inventor： Joseph P. KELLEHER ,  William F. GALLAGHER ,  Craig A. OKTAVEC ,  David J. SMITH ,  Jarrett A. DUNSTON

IPC: B25F5/00 ,  B24B23/02 ,  B25F5/02 ,  H02K1/14 ,  H02K1/2706 ,  H02K3/18 ,  H02K3/34 ,  H02K3/38 ,  H02K3/487 ,  H02K3/52 ,  H02K5/10 ,  H02K5/20 ,  H02K7/08 ,  H02K7/116 ,  H02K7/14 ,  H02K9/04 ,  H02K9/06 ,  H02K9/22 ,  H02K11/215 ,  H02K11/33 ,  H02K21/16

CPC classification number: B25F5/008 ,  B24B23/028 ,  B25F5/02 ,  H02K1/146 ,  H02K1/2706 ,  H02K3/18 ,  H02K3/34 ,  H02K3/487 ,  H02K3/522 ,  H02K5/10 ,  H02K5/207 ,  H02K7/08 ,  H02K7/116 ,  H02K7/145 ,  H02K9/04 ,  H02K9/06 ,  H02K9/227 ,  H02K11/215 ,  H02K11/33 ,  H02K21/16 ,  H02K3/38 ,  H02K2203/09 ,  H02K2203/12 ,  H02K2213/03

Abstract: A power tool is provided including a tool housing including a motor housing and a handle portion; a battery receptacle disposed at an end of the handle portion opposite the motor housing, the battery receptacle being configured to receive a battery pack; and a brushless DC motor including a stator and a rotor. The stator includes a stator lamination stack, an end insulator, and input terminals supported by the end insulator. A power circuit board is coupled to the input terminals to supply power to the motor. The motor produces a maximum power output of at least 1600 watts for driving an output shaft at a maximum torque of at least 30 inch-pounds and a maximum speed of at least 8000 rotations-per-minute.

公开(公告)号：US20240204615A1

公开(公告)日：2024-06-20

申请号：US18594565

申请日：2024-03-04

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

IPC: H02K7/14 ,  B25B21/02 ,  B25F5/00 ,  H02K5/04 ,  H02K9/06 ,  H02K11/215 ,  H02K11/33 ,  H02K11/38 ,  H02K21/04 ,  H02K29/08 ,  H05K1/02 ,  H05K1/11 ,  H05K1/18 ,  H05K7/20

CPC classification number: H02K7/145 ,  B25B21/02 ,  B25F5/00 ,  B25F5/008 ,  H02K5/04 ,  H02K9/06 ,  H02K11/215 ,  H02K11/33 ,  H02K11/38 ,  H02K21/046 ,  H02K29/08 ,  H05K1/0203 ,  H05K1/113 ,  H05K1/18 ,  H05K7/20136 ,  H05K7/20436 ,  H02K2211/03 ,  H05K2201/10053 ,  H05K2201/10151

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.

公开(公告)号：US20240123560A1

公开(公告)日：2024-04-18

申请号：US18397146

申请日：2023-12-27

Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

Inventor： Julia C. Marsh ,  John Bloom-Edmonds ,  Jeffery D. Spraggon ,  Andrew Delmar Van Hoorn ,  Allen H. Johnson, III ,  Amedee Brennan O’Gorman

IPC: B23Q11/00 ,  B01D46/00 ,  B01D46/46 ,  B01D46/68 ,  B25F5/00 ,  H02K7/14 ,  H02K9/10

CPC classification number: B23Q11/0046 ,  B01D46/0043 ,  B01D46/46 ,  B01D46/68 ,  B23Q11/0071 ,  B25F5/008 ,  H02K7/145 ,  H02K9/10 ,  B01D2273/30 ,  B25D17/20

Abstract: A handheld power tool includes a housing, a tool receptacle disposed on a first end of the housing and configured to receive a tool accessory, a motor positioned within the housing and operatively coupled to the tool receptacle to drive the tool accessory, and a dust collection assembly integrated within the housing. The dust collection assembly includes a fan disposed within the housing and operatively coupled to the motor. The fan is configured to generate a suction airflow due to rotation of the motor, and a dust container removably coupled to the housing of the power tool. The dust container is configured to collect dust and other debris generated by the tool accessory during operation of the handheld power tool.

公开(公告)号：US20240039348A1

公开(公告)日：2024-02-01

申请号：US18266002

申请日：2021-12-08

Applicant: Mirka Ltd

Inventor： Tobias HOLMQVIST ,  Simon BÄCK ,  Tomas SÖDERGÅRD

IPC: H02K1/20 ,  B25F5/00 ,  H02K1/18 ,  H02K7/08 ,  H02K7/14 ,  H02K9/19 ,  H02K9/22 ,  H02K21/22

CPC classification number: H02K1/20 ,  B25F5/008 ,  H02K1/187 ,  H02K7/085 ,  H02K7/145 ,  H02K9/19 ,  H02K9/227 ,  H02K21/22

Abstract: There is provided be a brushless direct current, BLDC, electric motor. The BLDC electric motor comprises a rotor comprising a rotor shaft and a stator arranged around the rotor shaft. The stator comprises a stator hub comprising electromagnets, and cooling channels extending in a direction that is parallel to a longitudinal direction of the rotor shaft and the cooling channels are positioned between the rotor shaft and the electromagnets.

公开(公告)号：US11871950B2

公开(公告)日：2024-01-16

申请号：US17143601

申请日：2021-01-07

Applicant: Covidien LP

Inventor： Paul F. Prokop

IPC: A61B17/32 ,  A61B17/00 ,  B25F5/00 ,  A61B18/14

CPC classification number: A61B17/320016 ,  A61B17/00234 ,  A61B18/1442 ,  A61B2017/00296 ,  A61B2017/32007 ,  B25F5/008

Abstract: A tissue resecting device includes a handpiece assembly and an end effector assembly. The handpiece assembly includes a motor and a cooling assembly. The cooling assembly includes a housing, a fan assembly, and a fin pack. The fan assembly includes a tubular member configured to be received in the elongate cover, and a plurality of blades rotatably supported on the tubular member and operatively coupled with a drive rotor of the motor for concomitant rotation therewith. The fin pack includes a tubular base and a plurality of fins extending radially outward from the tubular base. The tubular base is disposed within the elongate cover and about the tubular member of the fan assembly. Actuation of the motor rotates the plurality of blades of the fan assembly to thereby advance air through a space between the fin pack and the elongate cover of the housing to facilitate cooling of the motor.

公开(公告)号：US20230421018A1

公开(公告)日：2023-12-28

申请号：US18341639

申请日：2023-06-26

Applicant: BLACK & DECKER INC.

Inventor： Colin M. CROSBY ,  Joseph P. KELLEHER ,  Ryan F. SCHROEDER ,  Joseph C. BISER ,  Richard DIZON

IPC: H02K5/20 ,  B25F5/00 ,  H02K5/15 ,  H02K7/14 ,  H02K9/06 ,  H02K11/33

CPC classification number: H02K5/207 ,  B25F5/008 ,  H02K5/15 ,  H02K7/145 ,  H02K9/06 ,  H02K11/33 ,  H02K2205/09 ,  H02K2211/03

Abstract: A power tool includes a housing extending generally along a tool axis with opposing lateral side surfaces separated by a first distance, a motor contained in the housing, and an end cap coupled to a rear end of the housing, the end cap having opposed lateral wings extending radially outward from the side surfaces by a second distance that is greater than the first distance. At least one air intake vent is disposed proximate at least one of the wings to allow intake of air ambient air to cool the motor.

公开(公告)号：US20230396128A1

公开(公告)日：2023-12-07

申请号：US18235661

申请日：2023-08-18

Applicant: Black & Decker Inc.

Inventor： John C. Vanko ,  Michael K. Forster ,  Matthew J. Velderman ,  John Howson

IPC: H02K7/14 ,  H02P6/14 ,  H02P6/28 ,  H02P6/15 ,  B25F5/00 ,  B24B23/02 ,  B24B47/12

CPC classification number: H02K7/145 ,  H02P6/14 ,  H02P6/28 ,  H02P6/15 ,  B25F5/008 ,  B24B23/028 ,  B24B47/12 ,  H02P2006/045

Abstract: A power tool comprising a housing and a brushless direct-current (BLDC) motor disposed within the housing. The motor includes a stator and a rotor rotatable relative to the stator. The power tool is configured to generate a power output from the motor that is greater than 1200 continuous hot Watts out such that a quotient obtained by the power output measured in Watts (Wout), divided by an input measured in Volt-Amperes (Vain), and further divided by a volume of the power tool measured in cubic centimeters (cc), is greater than 600 Wout/Vain/cc.

公开(公告)号：US20230381939A1

公开(公告)日：2023-11-30

申请号：US18448550

申请日：2023-08-11

Applicant: KOKI HOLDINGS CO., LTD.

Inventor： Takashi UEDA

IPC: B25C7/00 ,  B25C1/08 ,  B25F5/00 ,  B25C1/00 ,  B25C1/04 ,  B25C1/06

CPC classification number: B25C7/00 ,  B25C1/08 ,  B25F5/006 ,  B25F5/008 ,  B25C1/008 ,  B25C1/047 ,  B25C1/06

Abstract: There is provided a driving machine capable of reducing a load applied to a guide member in a direction of a center axis. The driving machine drives a fastener into a workpiece. The driving machine includes a movable piston, a driver blade operating together with the piston and applying driving force to the fastener, a cylinder guiding operation of the piston, a holder provided in a housing and supporting the cylinder, and a vibration damping rubber interposed between the holder and the housing and receiving a load applied to the holder in an operational direction of the piston.

公开(公告)号：US11787009B2

公开(公告)日：2023-10-17

申请号：US16127345

申请日：2018-09-11

Applicant: Nanjing Chervon Industry Co., Ltd.

Inventor： Yanfeng Fan ,  Haijing Wang ,  Baoshan Li ,  Guoming Tong ,  Tao Tao ,  Xiang Zhao

IPC: B24B47/12 ,  H02K7/14 ,  H02K1/10 ,  B24B7/02 ,  B25F5/00 ,  H02K7/116 ,  H02K7/06 ,  H02K5/10 ,  B24B23/02 ,  H02K9/06

CPC classification number: B24B47/12 ,  B24B23/028 ,  B25F5/008 ,  H02K5/10 ,  H02K7/145 ,  H02K7/1163 ,  H02K9/06

Abstract: An electric tool includes an output member, a motor, and a housing. The motor includes a rotor shaft, a rotor core, and a stator component. The rotor shaft is configured to rotate around a first axis. The stator component includes a coil winding. The stator component surrounds the first axis to separate the accommodation cavity into a first space and a second space. The first space includes a first end and a second end. The motor further includes a first end cover and a second end cover. The first end cover is disposed at the first end of the first space. The second end cover is disposed at the second end of the first space. A passage is formed between the second end cover and a structure surrounding the first space, and the passage is configured to place the first space into communication with the second space.

公开(公告)号：US11766773B2

公开(公告)日：2023-09-26

申请号：US16958025

申请日：2018-11-30

Applicant: KOKI HOLDINGS CO., LTD.

Inventor： Naoki Tadokoro ,  Ken Inui

IPC: B25F5/00 ,  B25F5/02 ,  H02K7/14 ,  H02K9/06

CPC classification number: B25F5/008 ,  B25F5/02 ,  H02K7/145 ,  H02K9/06 ,  B25D2217/0061 ,  B25D2250/121

Abstract: There is provided a power tool including a housing, a brushless motor, a power supply circuit, and a fan. The housing is formed with an inlet hole and an exhaust hole. The brushless motor is supported by the housing. The power supply circuit includes at least one circuit element for supplying electric power of a power source to the brushless motor. The fan is driven by rotation of the brushless motor to generate a cooling air flow that flows from the inlet hole to the exhaust hole in the housing. The housing includes a first housing including a grip portion and supporting the brushless motor. The inlet hole is formed in the first housing. The at least one circuit element is disposed inside the first housing and is cooled by the cooling air flow.