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    • 10. 发明申请
    • STEAM TURBINE, BLADE, AND METHOD
    • 蒸汽涡轮机,叶片和方法
    • US20130149106A1
    • 2013-06-13
    • US13712258
    • 2012-12-12
    • NUOVO PIGNONE S.P.A
    • Enrico GiustiMarco GrilliEnzo Imparato
    • F01D25/32F01D9/04
    • F01D25/32F01D9/041F01D9/044F05D2220/31F05D2230/237Y10T29/49323
    • 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.
    • 提供了包括限定环形室的多个定子叶片模块的定子叶片环。 多个定子叶片模块包括细长的叶片部分,其包括第一和第二叶片壳体部分,纵向通道以及延伸穿过第一和第二叶片壳体部分中的至少一个延伸到纵向通道的至少一个开口, 所述内部部分钎焊到所述细长叶片部分的第一纵向端部,其中所述内部部分包括形成所述环形室的一部分的通孔和从所述通孔延伸到所述纵向通道的内部通道,以及外部钎焊到 所述细长叶片部分的第二纵向端部并且接合到蒸汽涡轮机,所述外部部分包括通向所述蒸汽涡轮机的表面的外部通道和所述纵向通道。