F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 5/14 (2006.01) F01D 11/02 (2006.01) F02C 7/28 (2006.01)
Patent
CA 2417370
A stationary blade (133) of a gas turbine (10), which. can reduce thermal stress produced at a portion in the vicinity of a rear edge of an inner shroud (133c) of the stationary blade. The stationary blade is positioned adjacent to at least one oil moving-blade disks (32e, 34e, 36e, 38e) in an axial direction of the gas turbine. A concave portion (40) is provided in the inner shroud in a manner such that the concave portion is formed in the vicinity of a rear edge of the inner shroud and on an inner-peripheral face of the inner shroud, where cooling air passes along the inner-peripheral face which faces a rotation shaft of the moving-blade disks; and a protruding portion (133i) which protrudes towards the rotation shaft is formed at the rear edge of the inner shroud.
Hada Satoshi
Kuwabara Masamitsu
Masada Junichiro
Soechting Friedrich
Tomita Yasuoki
Goudreau Gage Dubuc
Mitsubishi Heavy Industries Ltd.
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