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Device for protection against icing for aircraft engines and related de-icing method

  • US 7,921,632 B2
  • Filed: 09/12/2005
  • Issued: 04/12/2011
  • Est. Priority Date: 09/21/2004
  • Status: Expired due to Fees
First Claim
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1. A device for protecting against ice accretion in aircraft engines at idling speed comprising at least one sensor, sensitive to an amount of accumulated ice, arranged in the air intake of an aircraft engine, a system for measuring said amount and for comparing said amount to a predetermined threshold and a trigger system intended to initiate a response to a detection of the predetermined threshold being surpassed, wherein the trigger system is connected to an engine control system comprising means for governing engine idling speed, said response comprising an engine speed increase timed by the engine control system.

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