STATOR BLADE SEGMENT AND STEAM TURBINE EQUIPPED WITH SAME

A stator blade segment (30) is provided with: a blade ring (70); a plurality of stator blades (33); and a caulking member (90). The blade ring (70) has a blade ring groove (73) and a housing space forming part (81). The blade ring groove (73) has a projection part (76) that projects from the second...

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Main Authors YAMAMOTO Yuki, WAKI Yuichiro, DANNO Shouhei
Format Patent
LanguageEnglish
French
Japanese
Published 06.09.2019
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Abstract A stator blade segment (30) is provided with: a blade ring (70); a plurality of stator blades (33); and a caulking member (90). The blade ring (70) has a blade ring groove (73) and a housing space forming part (81). The blade ring groove (73) has a projection part (76) that projects from the second groove side surface (74d) of the blade ring groove (73) to a first side (Dau). The housing space forming part (81) forms, together with an outer shroud (50), a housing space (87) into which the caulking member (90) enters. The caulking member (90) is accommodated within the housing space (87), and comes in contact with the blade ring groove (73) and the outer shroud (50) so as to be exposed from the inner opening (88i) of the housing space (87). L'invention concerne un segment (30) d'aubes de stator qui est pourvu : d'une couronne (70) d'aube; d'une pluralité d'aubes (33) de stator; d'un élément de calfatage (90). La couronne (70) d'aube présente une rainure (73) de couronne d'aube et une partie (81) de formation d'espace de logement. La rainure (73) de couronne d'aube présente une partie saillante (76) faisant saillie sur la seconde surface latérale (74d) de la rainure (73) de couronne d'aube vers un premier côté (Dau). La partie (81) de formation d'espace de logement forme, conjointement avec une enveloppe externe (50), un espace de logement (87) dans lequel l'élément de calfatage (90) peut entrer. L'élément de calfatage (90) est logé à l'intérieur de l'espace de logement (87) et vient en contact avec la rainure (73) de couronne d'aube et avec l'enveloppe externe (50) de façon à être exposé par l'ouverture interne (88i) de l'espace de logement (87). 静翼セグメント(30)は、翼環(70)と、複数の静翼(33)と、コーキング部材(90)と、を備える。翼環(70)は、翼環溝(73)と収納空間形成部(81)とを有する。翼環溝(73)は、翼環溝(73)の第二溝側面(74d)から第一側(Dau)に突出する凸部(76)を有する。収納空間形成部(81)は、外側シュラウド(50)と共同して、コーキング部材(90)が入り込む収納空間(87)を形成する。コーキング部材(90)は、収納空間(87)内に収まり、翼環溝(73)及び外側シュラウド(50)に接して、収納空間(87)の内側開口(88i)から露出している。
AbstractList A stator blade segment (30) is provided with: a blade ring (70); a plurality of stator blades (33); and a caulking member (90). The blade ring (70) has a blade ring groove (73) and a housing space forming part (81). The blade ring groove (73) has a projection part (76) that projects from the second groove side surface (74d) of the blade ring groove (73) to a first side (Dau). The housing space forming part (81) forms, together with an outer shroud (50), a housing space (87) into which the caulking member (90) enters. The caulking member (90) is accommodated within the housing space (87), and comes in contact with the blade ring groove (73) and the outer shroud (50) so as to be exposed from the inner opening (88i) of the housing space (87). L'invention concerne un segment (30) d'aubes de stator qui est pourvu : d'une couronne (70) d'aube; d'une pluralité d'aubes (33) de stator; d'un élément de calfatage (90). La couronne (70) d'aube présente une rainure (73) de couronne d'aube et une partie (81) de formation d'espace de logement. La rainure (73) de couronne d'aube présente une partie saillante (76) faisant saillie sur la seconde surface latérale (74d) de la rainure (73) de couronne d'aube vers un premier côté (Dau). La partie (81) de formation d'espace de logement forme, conjointement avec une enveloppe externe (50), un espace de logement (87) dans lequel l'élément de calfatage (90) peut entrer. L'élément de calfatage (90) est logé à l'intérieur de l'espace de logement (87) et vient en contact avec la rainure (73) de couronne d'aube et avec l'enveloppe externe (50) de façon à être exposé par l'ouverture interne (88i) de l'espace de logement (87). 静翼セグメント(30)は、翼環(70)と、複数の静翼(33)と、コーキング部材(90)と、を備える。翼環(70)は、翼環溝(73)と収納空間形成部(81)とを有する。翼環溝(73)は、翼環溝(73)の第二溝側面(74d)から第一側(Dau)に突出する凸部(76)を有する。収納空間形成部(81)は、外側シュラウド(50)と共同して、コーキング部材(90)が入り込む収納空間(87)を形成する。コーキング部材(90)は、収納空間(87)内に収まり、翼環溝(73)及び外側シュラウド(50)に接して、収納空間(87)の内側開口(88i)から露出している。
Author YAMAMOTO Yuki
WAKI Yuichiro
DANNO Shouhei
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DocumentTitleAlternate SEGMENT D'AUBES DE STATOR ET TURBINE À VAPEUR POURVUE DUDIT SEGMENT
静翼セグメント、及びこれを備えている蒸気タービン
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RelatedCompanies MITSUBISHI HITACHI POWER SYSTEMS, LTD
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Snippet A stator blade segment (30) is provided with: a blade ring (70); a plurality of stator blades (33); and a caulking member (90). The blade ring (70) has a blade...
SourceID epo
SourceType Open Access Repository
SubjectTerms BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
Title STATOR BLADE SEGMENT AND STEAM TURBINE EQUIPPED WITH SAME
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