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Protection device for protecting control mechanism of inlet guide-vanes of turbojet engine

  • US 6,398,483 B1
  • Filed: 06/09/2000
  • Issued: 06/04/2002
  • Est. Priority Date: 06/10/1999
  • Status: Expired due to Term
First Claim
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1. A protection device for protecting a control mechanism of a plurality of inlet guide-vanes at an entrance to a turbojet engine, said protection device comprising:

  • a direction control actuator;

    a frangible transmission part activated by said direction control actuator;

    a control ring driven by said direction control actuator using said frangible transmission part;

    a control lever for each of said plurality of inlet guide-vanes;

    a control ring actuating each of said control levers, wherein said frangible transmission part is a single component which constitutes a link of said control mechanism positioned between said direction control actuator and said control ring;

    lateral stops fastened laterally to said control ring; and

    a projection used to position a pivoting pin of each of said plurality of inlet guide-vanes, wherein said lateral stops come to bear on said projection.

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