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Turbine shaft power take-off

  • US 10,458,340 B2
  • Filed: 01/17/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 07/19/2016
  • Status: Active Grant
First Claim
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1. A multi-spool gas turbine engine comprising:

  • a low pressure (LP) spool and a high pressure (HP) spool independently rotatable of one another about an engine axis, the LP spool comprising an LP turbine, an LP compressor and an LP shaft, the HP pressure spool comprising an HP turbine, an HP compressor and an HP shaft;

    the LP turbine being in fluid flow communication with the HP turbine and disposed downstream therefrom, the HP compressor being in fluid flow communication with the LP compressor and disposed downstream therefrom, the LP shaft having an upstream shaft portion extending upstream of the LP turbine to a location upstream of the LP compressor to provide a first power take-off at an upstream end of the engine and a downstream shaft portion extending downstream of the LP turbine to provide a second power take-off at a downstream end of the engine.

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