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Measurement installation for blade failure testing in a turbomachine

  • US 9,909,444 B2
  • Filed: 10/11/2013
  • Issued: 03/06/2018
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A turbomachine comprising:

  • a device for gathering information recorded during operation of the turbomachine by a strain gauge positioned on a fan blade borne by a fan disc of said turbomachine,said device comprisinga hollow cylindrical pipe positioned inside a rotating shaft of said turbomachine in order to guide at least one wire for transmitting said information,an attachment part for attaching said pipe to said rotating shaft, anda guiding part for guiding said at least one wire between said strain gauge and said pipe, said guiding part comprising a radial portion extending radially outside said rotating shaft and an axial cylindrical portion which is disposed radially inside said rotating shaft and which extends upstream of the attachment part,wherein the attachment part bears against an attachment flange provided at a first end of said axial cylindrical portion of said guiding part, andwherein said radial portion forms a disc-shaped radial portion which extends from a second end of said axial cylindrical portion in a direction of an axial end of the fan disc.

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