BRUSHLESS DC MOTOR FOR A BODY-GRIP POWER TOOL
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 c...
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| creator | Cox, John D Rydin, Marcus E. E Fogle, John B Ayers, Justin H Cochran, Kristopher Jefferies, Dustin Gohn, Barak N Mori, Sumiteru Smith, David J |
| description | 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 20V 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. |
| format | Patent |
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E ; Fogle, John B ; Ayers, Justin H ; Cochran, Kristopher ; Jefferies, Dustin ; Gohn, Barak N ; Mori, Sumiteru ; Smith, David J</creatorcontrib><description>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. 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E</creatorcontrib><creatorcontrib>Fogle, John B</creatorcontrib><creatorcontrib>Ayers, Justin H</creatorcontrib><creatorcontrib>Cochran, Kristopher</creatorcontrib><creatorcontrib>Jefferies, Dustin</creatorcontrib><creatorcontrib>Gohn, Barak N</creatorcontrib><creatorcontrib>Mori, Sumiteru</creatorcontrib><creatorcontrib>Smith, David J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cox, John D</au><au>Rydin, Marcus E. E</au><au>Fogle, John B</au><au>Ayers, Justin H</au><au>Cochran, Kristopher</au><au>Jefferies, Dustin</au><au>Gohn, Barak N</au><au>Mori, Sumiteru</au><au>Smith, David J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>BRUSHLESS DC MOTOR FOR A BODY-GRIP POWER TOOL</title><date>2022-08-04</date><risdate>2022</risdate><abstract>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 20V 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.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING |
| title | BRUSHLESS DC MOTOR FOR A BODY-GRIP POWER TOOL |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-27T09%3A36%3A47IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=Cox,%20John%20D&rft.date=2022-08-04&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2022247269A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |