OUTLET BLADE CASCADE OF GAS TURBINE COMPRESSOR

• Main Authors: MOMOZAKI HISATAKA, ICHIKAWA KUNIHIRO, AKUTSU HIROYUKI, ENDO TAKAO
• Format: Patent
• Language: English
• Published: 25.08.2011
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

PROBLEM TO BE SOLVED: To provide an outlet blade cascade of a gas turbine compressor capable of suppressing the wear of a fitting portion of a stator blade cascade in the compressor. SOLUTION: The outlet blade cascade 3 of the gas turbine compressor 57 includes an outer ring 5 inserted in a turbine circumferential direction and fitted in the inner peripheral part of a turbine casing 1, an inner ring 7 inserted in the turbine circumferential direction and fitted in a recessed groove 11 of an inner barrel 4 enclosing a turbine rotating shaft, a plurality of stator blades 6 connected at a tip side to the outer ring 5 and at a root side to the inner ring 7, and a spacer 14 provided between the turbine casing 1 and the outer ring 5 and formed of a material higher in the coefficient of thermal expansion than the outer ring 5. COPYRIGHT: (C)2011,JPO&INPIT