POWERLINE SURGE PROTECTION

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20160087424A1
SERIAL NO

14494333

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A motor drive for an electric machine configured to withstand higher voltages without breakdown and without substantially raising maximum voltage during high voltage surges. The motor drive may include a live line, a second line, a ground line, a capacitor, a surge protector, and a load electrically-coupled with the live line, the second line, and the ground line. The capacitor may be coupled between the load and the second line. The surge protector may have a first varistor, a gas discharge tube (GDT), and a resistor. The GDT may be non-conductive below a trigger voltage and is conductive above the trigger voltage. The first varistor and the GDT may be connected in series between the live line and the ground line and/or the second line and the ground line, and the resistor may extend across a spark gap of the GDT.

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Patent Owner(s)

Patent OwnerAddress
NIDEC MOTOR CORPORATION8050 WEST FLORISSANT AVE ST LOUIS MO 63136

International Classification(s)

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  • 2014 Application Filing Year
  • H01T Class
  • 202 Applications Filed
  • 183 Patents Issued To-Date
  • 90.60 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Skinner, James L Collinsville, US 46 887

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Patent Citation Ranking

  • 1 Citation Count
  • H01T Class
  • 12.36 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges117241101 - 1011 - 2031 - 4051 - 6005101520253035404550556065707580

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