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Method and system for starting a turboshaft engine by cold weather

  • US 8,381,509 B2
  • Filed: 04/14/2008
  • Issued: 02/26/2013
  • Est. Priority Date: 04/23/2007
  • Status: Expired due to Fees
First Claim
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1. A method for starting up an aircraft turbine engine using an electric starter, said aircraft turbine engine being provided with at least one hydraulic fluid circuit for lubricating parts of said aircraft turbine engine, said hydraulic fluid circuit being provided with a temperature-regulating section that is configured to remove the heat generated by said aircraft turbine engine when said aircraft turbine engine is running, said electric starter being provided with at least one hydraulic fluid circuit for lubricating parts of said electric starter, said hydraulic fluid circuit of said electric starter being provided with a temperature-regulating section that is configured to remove the heat emitted by said electric starter when said lubricating circuit of said electric starter is operating, each of said temperature-regulating section of the hydraulic fluid circuit of the aircraft turbine engine and said temperature-regulating section of the hydraulic fluid circuit of the electric starter including at least one heat exchanger, said method comprising, when said aircraft turbine engine is being started in cold weather, the steps of:

  • inhibiting said temperature-regulating section of the hydraulic fluid circuit of the aircraft turbine engine;

    inhibiting said temperature-regulating section of the hydraulic fluid circuit of the electric starter; and

    transferring to the hydraulic fluid circuit of the aircraft turbine engine at least some of the heat energy generated in the hydraulic fluid circuit of the electric starter by said electric starter.

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