Vane segment and axial-flow fluid machine including the same
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United States of America Patent
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Dec 20, 2016
Grant Date -
Oct 3, 2013
app pub date -
Mar 25, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A vane segment according to the present invention includes: an outer connection member connecting a plurality of vanes; positioning jigs for positioning end vanes located at both ends, of the plurality of vanes; and radial restriction sections which restrict the outer connection member so as to be relatively immovable to an outer side in a radial direction of a vane ring, wherein: each of the plurality of vanes has a vane main body and an outer shroud; grooves are formed in the outer shrouds; openings into each of which the positioning jig is inserted are formed in portions of the outer connection member; holes into each of which the positioning jig inserted in the opening is inserted are formed in bottoms of the grooves of the two end vanes; and at least one of the positioning jigs is an eccentric positioning jig.
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