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Methods and apparatus for supplying air to gas turbine engines

  • US 6,412,284 B1
  • Filed: 03/07/2001
  • Issued: 07/02/2002
  • Est. Priority Date: 03/07/2001
  • Status: Active Grant
First Claim
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1. A method for supplying air to a gas turbine engine positioned within a housing including an air inlet module, ail exhaust gas module, and a duct, the inlet module connecting an inlet of the gas turbine engine to the atmosphere, the exhaust gas module including a first conduit and a second conduit, the first conduit within the second conduit and connecting an exhaust of the gas turbine engine to the atmosphere, the second conduit open only to the atmosphere, the duct connected to the exhaust gas module second conduit anti in flow communication with the gas turbine engine inlet, said method comprising:

  • operating the gas turbine engine within the module such that exhaust airflow exits the engine through the exhaust module first conduit; and

    supplying air to the gas turbine engine inlet from the exhaust module second conduit through the duct.

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