Motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6661149
APP PUB NO 20020074893A1
SERIAL NO

09986529

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A motor includes a rotor, a stator having a core, end brackets, and plural binders. The stator core has plural layers and a plurality of axially extending dovetail grooves in its cylindrical outer surface and arranged at predetermined spacing around its circumference. The brackets are each a bottomed cylinder with a bearing bottom portion supporting the rotor shaft. Plural projections are formed at the axially inner end of each of the brackets and project axially inward into the dovetail grooves. Plural axially extending grooves are formed on the cylindrical outer surface of each of the brackets at predetermined spacing around the circumference with the grooves of the two brackets being axially aligned. Bent ends of the binders engage outer ends of the brackets to clamp the stator core.

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Patent Owner(s)

Patent OwnerAddress
MINEBEA CO LTD4106-73 MIYOTA OAZA MIYOTA-MACHI KITASAKU-GUN - CORPORATION-JAPAN NAGANO-KEN 389-0293

International Classification(s)

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  • 2001 Application Filing Year
  • H02K Class
  • 1202 Applications Filed
  • 430 Patents Issued To-Date
  • 35.78 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20012002200320042005200620070255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Masuda, Teruo Sendai, JP 29 316

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  • 22 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges9199110442111103401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 800102030405060708090100110120130140150160170180190200210

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