ROTATING ELECTRICAL MACHINE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140117790A1
SERIAL NO

14066910

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electrical machine having high torque and reliability and low cost, has a stator and rotor facing each other via an air gap, and a bracket at each of both shaft-direction end surfaces of the stator and rotor. The stator core is formed of a dust core, and a stator side guide portion projecting in the shaft direction concentrically with an inner peripheral portion of the stator, is provided on each of both side surface portions of the stator core, a bracket side guide portion, which is fitted to the stator side guide portion, is provided at each of the brackets, and the air gap is secured by making the stator side guide portion fitted to the bracket side guide portion.

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Patent Owner(s)

Patent OwnerAddress
NIPPON PISTON RING CO LTD12-10 HONMACHI-HIGASHI 5-CHOME CHUO-KU SAITAMA-SHI SAITAMA-KEN

International Classification(s)

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  • 2013 Application Filing Year
  • H02K Class
  • 2008 Applications Filed
  • 1782 Patents Issued To-Date
  • 88.75 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2013201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SAKAMOTO, Masafumi Shimotsuga-gun, JP 73 1160
SATO, Shigeyoshi Shimotsuga-gun, JP 11 81
TAKEGUCHI, Shunsuke Shimotsuga-gun, JP 29 253

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Patent Citation Ranking

  • 17 Citation Count
  • H02K Class
  • 65.85 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges33530182722485101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 900255075100125150175200225250275300325350375400425450475500525550575

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