Stator blade ring and axial flow compressor using the same
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United States of America Patent
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Jun 11, 2013
Grant Date -
Apr 22, 2010
app pub date -
Jun 22, 2007
filing date -
Jun 22, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stator blade ring is provided with which the possibilities of thermal deformation and a decrease in strength can be reduced, the shape flexibility can be ensured, and the compression performance can be improved. It includes stator blade segments (21) in each of which an inner shroud portion (31) and an outer shroud portion (29) divided corresponding to one stator blade (27) are provided at both ends of the stator blade (27) so as to be formed as a single part, and connecting members (23) that are formed of arch-shaped plates and are disposed on at least one of the inner shroud portions (31) and the outer shroud portions (29) of the stator blade segments (21) adjoining in a circumferential direction, on a side opposite to the stator blades (27). The stator blade segments (21) are welded to the connecting members (23) at a portion of the length thereof in the circumferential direction.
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