STEAM TURBINE, BLADE, AND METHOD
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United States of America Patent
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N/A
Issued Date -
Jun 13, 2013
app pub date -
Dec 12, 2012
filing date -
Dec 12, 2011
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A stator blade ring comprising a plurality of stator blade modules defining an annular chamber is provided. The plurality of stator blade modules comprises an elongated blade portion comprising a first and a second blade shell portion, a longitudinal passageway, and at least one opening extending through at least one of the first and the second blade shell portion to the longitudinal passageway, an inner portion brazed to a first longitudinal end of the elongated blade portion, wherein the inner portion comprises a through hole forming a portion of the annular chamber, and an inner passageway extending from the through hole to the longitudinal passageway, and an outer portion brazed to a second longitudinal end of the elongated blade portion and engaged to a steam turbine, the outer portion comprising an outer passageway open to a surface of the steam turbine and the longitudinal passageway.
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