Method for relieving stresses by rotation

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United States of America Patent

PATENT NO 11913086
APP PUB NO 20220325372A1
SERIAL NO

17639766

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for relieving residual stresses in a part includes increasing the rotation speed, which includes measuring, at a first given instant, values representative of the rotation speed and the radial enlargement; measuring, at a second given instant after the first instant, values representative of the rotation speed and the radial enlargement; determining a leading coefficient of a first affine function from the preceding values; determining a target radial enlargement value as a function of a value representative of the rotation speed, in the form of a second affine function, the origin of which is the value of a desired final residual enlargement and the leading coefficient of which is the leading coefficient of the first affine function; stopping the increase in rotation speed of the part from the moment that the actual enlargement of the rotating part corresponds to the target relative radial enlargement value that has been determined.

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Patent Owner(s)

Patent OwnerAddress
SAFRAN AIRCRAFT ENGINES75015 PARIS

International Classification(s)

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  • 2020 Application Filing Year
  • B04B Class
  • 114 Applications Filed
  • 62 Patents Issued To-Date
  • 54.39 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bastide, Jocelyn Moissy Cramayel, FR 1 0
Breittmayer, Elliott Archibald Moissy Cramayel, FR 1 0
Gardy, David Moissy Cramayel, FR 1 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1461401 - 100102030405060708090100110120130140150160

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