Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1998-07-30
2000-12-05
Thorpe, Timothy S.
Power plants
Combustion products used as motive fluid
Combustion products generator
416 95, F02C 300
Patent
active
06155040&
ABSTRACT:
A gas turbine generally comprises a compressor, a combustor and a turbine body operatively connected to the compressor through a rotation shaft, and the turbine body is composed of a plurality of rotors formed with turbine discs and movable blades which are arranged in plural stages along an axial direction of the turbine body, in which a rear shaft is connected to a downstream side of a final stage disc of the turbine discs so as to extend rearward from the final stage turbine disc and supported by means of a bearing. The rear shaft is formed with a cooling medium supply passage for supplying a cooling medium to the turbine disc and a cooling medium recovery passage for recovering the cooling medium from the turbine disc, and a further cooling medium passage is formed between the rear shaft and either one of the cooling medium supply passage and the cooling medium recovery passage.
REFERENCES:
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patent: 4137705 (1979-02-01), Andersen et al.
patent: 4507914 (1985-04-01), Rice
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patent: 5564896 (1996-10-01), Beeck et al.
patent: 5695319 (1997-12-01), Matsumoto et al.
patent: 6019573 (2000-02-01), Uematsu et al.
James C. Corman, "H Gas Turbine Combined Cycle Technology & Development Status", (ASME paper 96-GT-11), Presented at the International Gas Turbine and Aeroengine Congress & Exhibition. (Birmingham, UK--Jun. 10-13, 1996), pp. 1-8.
Kabushiki Kaisha Toshiba
Thorpe Timothy S.
Torrente David J.
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