Method for relieving residual stress in an object

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United States of America Patent

PATENT NO 7703325
APP PUB NO 20090049912A1
SERIAL NO

11844800

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Abstract

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A method for relieving residual stress in an object includes: (a) applying a vibration energy to the object over a frequency range; (b) monitoring vibration behavior of the object over the frequency range so as to identify a reference frequency, where the vibration amplitude of a fundamental wave component of the wave pattern is approximately one third of a maximum vibration amplitude of a resonate frequency of the object, and an optimum frequency, where the frequency and the vibration amplitude of the harmonic wave component of the wave pattern are respectively larger than those of the harmonic wave component of the wave pattern of the reference frequency; and (c) applying the vibration energy to the object at the identified optimum frequency for an extended period of time.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL CHUNG-HSING UNIVERSTIYNO 250 KUO-KUANG ROAD SOUTH DISTRICT TAICHUNG CITY

International Classification(s)

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  • 2007 Application Filing Year
  • G01H Class
  • 116 Applications Filed
  • 49 Patents Issued To-Date
  • 42.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200720082009201020112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wu, Weite No. 5, Lane 110, Wen-Hsien Rd. 4 11

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  • 6 Citation Count
  • G01H Class
  • 7.14 % this patent is cited more than
  • 15 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges3238511101 - 1011 - 2021 - 3031 - 4061 - 70100 +012345678910111213141516171819202122232425

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