F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/08 (2006.01) F01D 5/02 (2006.01) F01D 5/18 (2006.01) F01D 25/08 (2006.01) F01D 25/12 (2006.01) F01D 25/16 (2006.01)
Patent
CA 2481810
A shaft structure of a rotor tail end of a gas turbine in which a steam passage for supplying and recovering a steam for cooling rotor blades of the gas turbine extends along a center axis of the rotor assembly of the gas turbine is provided, wherein a center hole of the rotor tail end coaxial to the center axis of the steam passage is formed in the rotor tail end. Provision is also made of a thermal sleeve between the steam passage and the inner surface of the center hole of the rotor tail end, so that a thermal insulation gas layer is formed between the inner surface of the center hole of the rotor tail end and the thermal sleeve. The thermal insulation gas layer is isolated gas-tightly and liquid-tightly from the outside.
Hirokawa Kazuharu
Oya Takeaki
Shinohara Tanehiro
Tanaka Katsunori
Tanioka Tadateru
Gowling Lafleur Henderson Llp
Mitsubishi Heavy Industries Ltd.
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