Compressor for gas turbine and gas turbine

Details Compressor for gas turbine and gas turbine Compressor for gas turbine and gas turbine

1993-08-06

1994-11-01

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

With runner shaft of specific shape or material

F04D 2904

Patent

active

053603184

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.

REFERENCES:
patent: 1542232 (1925-06-01), Girin
patent: 1563573 (1925-12-01), Victor
patent: 3764373 (1973-10-01), Speirs et al.
patent: 3778191 (1973-12-01), Brockman
patent: 4784574 (1988-11-01), Tsuno et al.
patent: 5073085 (1991-12-01), Ito et al.
patent: 5226791 (1993-07-01), Miwa et al.
patent: 5236308 (1993-08-01), Czeratzki

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