EP 2604801 B1 20180314 - STATOR BLADE RING AND METHOD OF MAKING THE RING
Title (en)
STATOR BLADE RING AND METHOD OF MAKING THE RING
Title (de)
LEITSCHAUFELRING UND MONTAGEVERFAHREN
Title (fr)
ANNEAU D'AUBES FIXES ET PROCÉDÉ D'ASSEMBLAGE DE L'ANNEAU
Publication
Application
Priority
IT CO20110060 A 20111212
Abstract (en)
[origin: EP2604801A1] A stator blade ring 12 for the last stage of a multi-stage steam turbine 400 includes a plurality of stator blade modules 14a, 14b defining an annular chamber 20, each stator blade module including an elongated blade portion 16. The elongated blade portion further includes a longitudinal passageway 26 and an inner portion 38 brazed to a first longitudinal end of the blade portion, the inner portion 38 including a through hole 42 forming a portion of the annular chamber 20 and an inner passageway extending from the through hole to the longitudinal passageway. An outer portion 52 is brazed to a second longitudinal end of the blade portion and engaged to the steam turbine. The outer portion 52 includes an outer passageway open to a surface of the steam turbine and the longitudinal passageway.
IPC 8 full level
F01D 9/04 (2006.01); F01D 25/32 (2006.01)
CPC (source: EP KR RU US)
F01D 5/14 (2013.01 - KR); F01D 5/30 (2013.01 - KR); F01D 9/02 (2013.01 - KR); F01D 9/04 (2013.01 - KR); F01D 9/041 (2013.01 - US); F01D 9/044 (2013.01 - EP US); F01D 25/32 (2013.01 - EP US); F01D 9/04 (2013.01 - RU); F05D 2220/31 (2013.01 - EP US); F05D 2230/237 (2013.01 - EP US); Y10T 29/49323 (2015.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2604801 A1 20130619; EP 2604801 B1 20180314; CA 2797235 A1 20130612; CA 2797235 C 20190924; CN 103161512 A 20130619; IN 3364DE2012 A 20150724; IT CO20110060 A1 20130613; JP 2013122246 A 20130620; JP 6163299 B2 20170712; KR 102016170 B1 20190829; KR 20130066537 A 20130620; PL 2604801 T3 20180629; RU 2012153181 A 20140620; RU 2631852 C2 20170926; US 2013149106 A1 20130613
DOCDB simple family (application)
EP 12195193 A 20121203; CA 2797235 A 20121129; CN 201210533453 A 20121212; IN 3364DE2012 A 20121101; IT CO20110060 A 20111212; JP 2012267849 A 20121207; KR 20120143748 A 20121211; PL 12195193 T 20121203; RU 2012153181 A 20121211; US 201213712258 A 20121212