Patent ID: 8206094

Claim:
A stationary blade ring of an axial compressor, comprising a plurality of units connected together in a circumferential direction, each unit comprising: a plurality of stationary blades adjacent to each other in the circumferential direction; an outer shroud portion dividedly formed per stationary blade, and formed integrally with each stationary blade; a band member for coupling together the plurality of stationary blades at the outer shroud portions, the band member including a guide groove into which the outer shroud portion is fitted and the band member being directly slidably fitted into a guide groove in a casing of the axial compressor, wherein the band member has a length which corresponds to approximately one quarter of a circumference of the stationary blade ring of the axial compressor; an inner shroud portion dividedly formed per stationary blade, and formed integrally with each stationary blade; a first seal holder to hold front portions of the inner shroud portions, the first seal holder having a first guide groove into which the front portions of the inner shroud portions are slidably fitted; and a second seal holder to hold rear portions of the inner shroud portions, the second seal holder having a second guide groove into which the rear portions of the inner shroud portions are slidably fitted, wherein the first seal holder and the second seal holder are arranged in a flowing direction of a working fluid, and the first seal holder and the second seal holder are fastened together by a fastening means, and wherein a pin is inserted into the inner shroud portion and into one of the first seal holder and the second seal holder to bind together the inner shroud portion and the one of the first seal holder and the second seal holder.