Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1994-07-15
1995-07-04
Thorpe, Timothy S.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
60909, F02C 600
Patent
active
054289530
ABSTRACT:
A high-temperature gas turbine includes a compressor, and a turbine coupled to the compressor, the turbine being capable of rotating at a high speed by a gas of firing temperature generated by a combustor. The compressor includes a combined type rotor shaft and blades of at least 15 stages which are implanted in the combined type rotor shaft. The compressor compresses air to a temperature of 400.degree. C. or above. The combined type rotor shaft is made of Ni--Cr--Mo--V low alloy steel having all bainitic microstructure whose composition consists, as analyzed in weight percent, of 0.15-0.40% C, 0.1% or less Si, 0.5% or less Mn, 1.5-2.5% Ni, 0.8-2.5% Cr, 0.8-2.0% Mo, 0.1-0.35% V and the balance substantially of Fe.
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Fukui Yutaka
Siga Masao
Toriya Hajime
Hitachi , Ltd.
Thorpe Timothy S.
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