Aeroengine ventilation system

  • US 20070245711A1
  • Filed: 04/13/2007
  • Published: 10/25/2007
  • Est. Priority Date: 04/20/2006
  • Status: Active Grant
First Claim
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1. A gas turbine engine comprising a ventilation zone defined between a core engine casing and a core fairing and having a discharge nozzle, the engine further comprises a pre-cooler having a flow of coolant therethrough and which coolant being ducted into the ventilation zone characterised in that an additional ventilation zone outlet system is provided and comprises a variable area outlet.

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