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Multi-shaft reheat turbine mechanism for generating power

  • US 6,141,953 A
  • Filed: 03/04/1998
  • Issued: 11/07/2000
  • Est. Priority Date: 03/04/1998
  • Status: Expired due to Fees
First Claim
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1. A multi-shaft reheat turbine mechanism comprising:

  • a plurality of shafts, expansion turbines connected respectively to all shafts, and compressors connected respectively to at least two shafts for compressing air and fuel;

    means for supplying air and fuel into the compressor side to be compressed thereby;

    an intercooler disposed in a line extending between an outlet of one of the compressors and an inlet of another of the compressors for cooling compressed air/fuel traveling between those compressors;

    the compressors constituting a compressor side of the mechanism for compressing air/fuel, and the turbines constituting a turbine side of the mechanism for driving the compressors;

    at least one electrical generator operably connected to the turbine side to be powered thereby;

    a heat exchanger for conducting compressed air/fuel from the compressor side in heat exchange relationship with hot exhaust gas from the turbine side, to heat the compressed air/fuel;

    the turbine side further including combustors for combusting compressed air/fuel, each combustor disposed upstream of an associated turbine, and including an outlet for conducting combusted air/fuel to its respective turbine;

    a first of the turbines being disposed upstream of a second of the turbines, with an exhaust outlet of the first turbine connected to a second of the combustors, the second combustor being associated with the second turbine; and

    a conduit arrangement for conducting a first portion of the heated compressed air/fuel to a first of the combustors, the first combustor being associated with the first turbine, and for conducting the exhaust gas from the first combustor, together with a second portion of the heated compressed air/fuel, to the first turbine to be expanded therein.

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