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METHOD OF CONTROLLING AN OVERSPEED SAFETY SYSTEM FOR AEROENGINES AND A CONTROL CIRCUIT FOR IMPLEMENTING SAID METHOD

  • US 20120116613A1
  • Filed: 11/01/2011
  • Published: 05/10/2012
  • Est. Priority Date: 11/10/2010
  • Status: Active Grant
First Claim
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1. A method of controlling an overspeed safety system for an aircraft having at least two engines (M1, M2), the method including setting said overspeed safety system for the engines (M1, M2), in monitoring the speeds of rotation of the engines (M1, M2), detecting overspeed on one of the engines (M1, M2), shutting down the engine (M1, M2) in question in the event of detecting overspeed, and inhibiting the operation of the overspeed safety system for the other engine(s) (M1, M2) still in operation and:

  • monitoring safety parameters associated with the operation of the engines (M1, M2) and/or the shutting down of the engine (M1, M2) that has been shut down; and

    maintaining the inhibition or resetting the overspeed safety system for the other engine(s) (M1, M2) still in operation, as a function of one or more safety parameters.

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