Brushless DC motor for a body-grip power tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11855521
APP PUB NO 20220247269A1
SERIAL NO

17590011

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A power tool is provided including a housing including a grip portion; and a brushless direct-current (BLDC) motor at least partially disposed within the grip portion of the housing. The motor includes a stator having a rotor core, a rotor, and front and rear bearing support structures. The stator core includes a non-segmented construction with a maximum diameter of approximately smaller than or equal to 34 mm, and a ratio of a motor size (Km) constant of the motor to a length of the motor is in the range of approximately 0.39 to 0.59 (Nmm/√W)/mm. When powered by a 20 V battery pack, a ratio of a maximum power output of the motor to a volume of the motor is at least approximately 0.0106 W/mm{circumflex over ( )}3.

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Patent Owner(s)

Patent OwnerAddress
BLACK & DECKER INCNEW BRITAIN CT 06053

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ayers, Justin H Jarrettsville, US 25 124
Cochran, Kristopher Middle River, US 6 5
Cox, John D Lutherville, US 71 1199
Fogle, John B White Hall, US 20 65
Gohn, Barak N Shrewsbury, US 19 71
Jefferies, Dustin Baltimore, US 11 32
Mori, Sumiteru Baltimore, US 8 19
Rydin, Marcus E E Baltimore, US 9 10
Smith, David J Columbia, US 172 3501

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