EP2873807A1 - Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz - Google Patents

Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz Download PDF

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Publication number
EP2873807A1
EP2873807A1 EP20130193327 EP13193327A EP2873807A1 EP 2873807 A1 EP2873807 A1 EP 2873807A1 EP 20130193327 EP20130193327 EP 20130193327 EP 13193327 A EP13193327 A EP 13193327A EP 2873807 A1 EP2873807 A1 EP 2873807A1
Authority
EP
European Patent Office
Prior art keywords
bolt
cover plate
blade
groove
wheel disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20130193327
Other languages
German (de)
English (en)
Inventor
Sascha Dr. Dungs
Karsten Dr. Kolk
Peter Schröder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP20130193327 priority Critical patent/EP2873807A1/fr
Priority to CN201480062779.8A priority patent/CN105765170B/zh
Priority to US15/035,400 priority patent/US10087769B2/en
Priority to EP14793812.0A priority patent/EP3071795A2/fr
Priority to PCT/EP2014/072817 priority patent/WO2015071070A2/fr
Publication of EP2873807A1 publication Critical patent/EP2873807A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts

Definitions

  • the present invention relates to a cover plate for sealing a joint between a wheel disc and a blade root of a blade arranged in a blade root groove of the wheel disc.
  • the WO 002007028703 A1 shows an arrangement for axial securing of blades in a rotor with a shaft collar, on the outer circumference in the axial direction of the rotor extending blade holding grooves are provided. On a front side surface of the shaft collar a projection is arranged in the region of the retaining grooves, in which a radially outwardly open circumferential groove is provided. Each blade is assigned a safety groove. For axial securing of the blade in each case one in the circumferential groove and in the securing groove engaging, sheet-metal sealing element is provided.
  • All sealing elements form a frontal sealing ring in the circumferential direction.
  • at least one of the sealing elements comprises a metal strip fastened thereto.
  • the metal strip is attached to the radially inner end of the sealing element, L-shaped shaped is supported on the rotor disk.
  • the present invention has for its object to provide an improved arrangement for sealing the joint between the wheel disc and the blade root.
  • the cover plate according to the invention for sealing a joint between a wheel disc and arranged in a Schaufelfußnut the wheel blade blade of a blade comprises an upper Abdeckplattenstirnseite for insertion into an upper groove of the blade and one of the upper Abdeckplattenstirnseite opposite lower Abdeckplattenstirnseite for insertion into a lower groove of the wheel disc ,
  • the cover plate on the upper cover plate end face has a shape for engagement in a pocket of the upper groove.
  • cover plate With the shape advantageously a circumferential security for the cover plate is created.
  • the cover plate is secured by the form-fitting in the pocket of the upper groove cross-sectional formation in a simple and effective manner against displacement.
  • this has a recess on the lower cover plate front side.
  • the blade according to the invention comprises a blade platform, an airfoil arranged above the blade platform and a blade root arranged below the blade platform.
  • the projecting at a Schaufelfußstirnseite over the blade root scoop platform a projection is formed.
  • a longitudinal groove extending to the Schaufelfußstirnseite, down in the direction of the space below the blade platform open upper groove is arranged.
  • the upper groove has a pocket, wherein the pocket increases a groove width of the upper groove along a pocket length of the pocket.
  • a blade which has a shape corresponding to the cover plate.
  • the shape of the cover plate can protrude into the pocket of the blade and prevent displacement of the cover plate.
  • the wheel disc according to the invention comprises a lateral surface provided with blade root grooves for receiving blade roots of rotor blades.
  • the wheel disk has a peripheral groove which is arranged in the lateral surface and which opens radially outwards.
  • a projection with a bolt hole for receiving a bolt is arranged at least on one of the blade root grooves, adjacent to the lower groove.
  • the cover plate By being able to position a bolt through the bolt hole, the cover plate can be additionally secured against accidental displacement in the circumferential direction. In addition, with the installation of the bolt a tighter fit of the cover plate can be achieved, whereby the seal is improved.
  • the bolt according to the invention has a bolt length reaching from a bolt front side to a bolt rear side.
  • the bolt comprises a top part and a bottom part, wherein the bolt is divided with the top part and the bottom part over its entire bolt length.
  • the bolt Due to the construction of several parts of the bolt may have a contour over its length differently shaped contour and still be mounted, since the parts can be successively brought into their installed position.
  • the first introduced part has more space available for insertion.
  • the upper part has a nose.
  • the upper part in its installed position can engage behind the cover plate in a form-fitting manner. An unintentional displacement of the upper part in the installed position is thereby prevented.
  • the upper part on a top underside and the lower part on a lower part top are provided.
  • the upper side underside is shaped in the manner corresponding to the lower part upper side such that the upper part and the lower part are displaceable relative to each other in the direction of the bolt length.
  • the upper part and the lower part are provided with a tongue and groove combination.
  • the upper part or the lower part on the bolt front side on a recess.
  • the cover plate according to the invention, the blade according to the invention, the wheel disc according to the invention and the bolt according to the invention are integrated in particular in a gas turbine.
  • the cover plate with its upper cover plate end face in the upper groove of the blade and with its lower cover plate end face in the lower groove of the wheel disc and with its shape in the pocket of the upper Grooved arranged.
  • the cover plate is fixed by means of the pin hole in the wheel disc and in the recess of the cover plate arranged bolt.
  • the gas turbine thus benefit from the advantages of the individual components.
  • a gas turbine with safe and tight fitting cover plates is provided.
  • FIG. 1 a gas turbine 10 according to the invention is sketched in an exemplary embodiment.
  • the gas turbine 10 shown includes a turbine 11 in which at least one blade row with a plurality of blades 14 is arranged.
  • the illustrated turbine 11 has four blade rows.
  • the rotor blades 14 are part of a rotor 12, which is arranged rotatably about a rotation axis 13.
  • the blades 14 are attached to a wheel disc 17.
  • FIG. 2 a blade according to the invention 14 is sketched in an exemplary embodiment.
  • the inventive Blade 14 includes a blade platform 43, an airfoil 16 and a blade root 15.
  • the airfoil 16 is above the blade platform 43 and the blade root 15 is arranged below the blade platform 43.
  • the airfoil 16 and the blade root 15 are attached to the blade platform 43.
  • the blade 16 and the blade platform 43 and the blade root 15 are formed together in particular as a monolithic body.
  • the blade platform 43 projects beyond the blade root 15 on a blade root end face 44.
  • a projection 45 is formed.
  • the rotor blade 14 has an upper groove 20 in this projection 45.
  • the upper groove 20 extends substantially parallel to the Schaufelfußstirnseite 44.
  • the upper groove 20 has a groove width 47 and is open at the bottom.
  • the upper groove 20 is open in the direction of the space below the blade platform 43. In the assembled state, the upper groove 20 is open radially, in the direction of the axis of rotation 13. Upwards, in the direction of the space above the blade platform 43, as well as toward the rear 49 and towards the front 50, the upper groove 20 is closed.
  • the upper groove 20 is formed radially circumferentially. In the areas between the individual rotor blades 14, the circumferential upper groove 20 may optionally be formed by the wheel disc 17. In the assembled state, the groove width 47 extends along the axis of rotation 13.
  • the upper groove 20 has in particular a substantially rectangular cross-section.
  • the rotor blade 14 according to the invention has a pocket 21 in the upper groove 20.
  • the pocket is formed in particular in the middle of the blade root end face 44.
  • the pocket 21 may be formed rearwardly 49 or forward 50.
  • the bag is formed to the rear 49.
  • the bag 21 has a certain pocket length 48.
  • the pocket length 48 is formed parallel to the upper groove 20.
  • the upper groove 20 according to the invention has an enlarged groove width 47.
  • cover plate 18 according to the invention is sketched in an exemplary embodiment.
  • the cover plate 18 is in particular a sheet metal.
  • the cover plate 18 according to the invention serves to seal a joint between the wheel disc 17 and the blade root 15.
  • the cover plate 18 has an upper cover plate end face 25 and the upper cover plate end face 25 arranged opposite a lower cover plate end face 26.
  • the upper cover plate end face 25 is designed for insertion into the upper groove 20 of the rotor blade 14 and the lower cover plate end face 26 is designed for insertion into a lower groove 41 of the wheel disc 17.
  • the cover plate 18 according to the invention has on the upper Abdeckplattenstirnseite 25 a molding 23.
  • the formation 23 has a shape that corresponds to the shape of the pocket 21.
  • the formation 23 and the pocket 21 are designed such that the pocket 21 can receive the formation 23.
  • the pocket 21 essentially has a negative shape of the formation 23.
  • the formation 23 is formed in the direction of a cover plate rear side 27, corresponding to the configuration of the pocket 21 of the upper groove 20, which according to FIG FIG. 2 49 is formed to the rear.
  • the pocket 21 may also be formed forward 50, then the formation 23 is formed in the direction of a Abdeckplattenvorderseite 42 accordingly.
  • the cover plate 18 shown has stiffening ribs 24 on the cover plate rear side 27 for increasing the rigidity of the cover plate 18.
  • the cover plate 18 shown on the lower cover plate end face 26 has a recess 28 on. Through this recess 28, the cover plate 18 can be fixed by means of a bolt 19 according to the invention at its installation location.
  • FIG. 4 the bolt 19 according to the invention is sketched in an exemplary embodiment.
  • FIG. 5 is a top 29 and in the FIG. 6 a lower part 30 of the bolt 19 according to the invention is shown in detail in each case in an exemplary embodiment.
  • the bolt 19 has a bolt front side 35 and a bolt rear side 36. From the bolt front side 35 to the bolt rear side 36, a bolt length 46 extends.
  • the bolt 19 according to the invention consists of several parts 29, 30.
  • the bolt 19 according to the invention comprises the upper part 29 and the lower part 30.
  • the upper part 29 and the lower part 30 divide the bolt 19 shown on the entire length of the bolt 46 into two parts.
  • the upper part 29 and the lower part 30 are arranged relative to one another in such a way that the upper part 29 rests with an upper side underside 37 on a lower part upper side 38 of the lower part 30.
  • the upper part lower side 37 is formed in particular in the manner corresponding to the upper part upper side 38, that the upper part 29 and the lower part 30 are mutually displaceable in the direction of the bolt length 46. This is achieved in particular by a tongue and groove combination.
  • the upper part 29 is provided with a bolt groove 31 FIG. 5 and the lower part 30 with a bolt spring 32 according to FIG. 6 Mistake.
  • the upper side bottom 37 and the lower part upper side 38 are conceivable, which are formed the same length along the bolt 46 in order to ensure a displacement along the bolt length 46 can.
  • the upper part has a nose 34.
  • the nose 34 protrudes from the cylindrical Contour of pin 19 out.
  • the nose 34 forms in particular a part of the bolt rear side 36.
  • the nose 34 has a nose length 51.
  • the nose length 51 is longitudinal to the bolt length 46.
  • the nose length 51 is shorter than the bolt length 46. In particular, the nose length 51 is smaller than half the bolt length 46th
  • the upper part 29 shown on the bolt front side 35 has a recess 33. It is also conceivable according to the invention that the depression 33 is arranged on the lower part 30. By a plastic deformation in some areas, with the caulking a positive connection between the two parts 29, 30 along the bolt length 46 can be generated.
  • the upper part 29 and the lower part have a plurality of chamfers 39.
  • the chamfers 39 serve to improve the mountability of the bolt parts 29, 30.
  • the lower part 30 to be pushed under the upper part 29 has a chamfer 39 on the bolt front side 36.
  • a chamfer 39 at the rear end of the bolt spring 32 serves to receive the deforming in the caulking material of the upper part 29th
  • FIG. 7 an installation situation is outlined in an exemplary embodiment. Shown are the wheel disc 17, the blade 14, the cover plate 18 and the pin 19 in the assembled state in a sectional view. The section runs along the axis of rotation 13 on the width of the pocket 21 of the upper groove 20th
  • the wheel disc 17 has a lateral surface in which a plurality of blade root grooves for receiving the blade roots 15 of the rotor blades 14.
  • the wheel disc 17 has a blade root groove per blade 14.
  • the Schaufelfußnuten are introduced as usual in the lateral surface in the lateral surface substantially transversely to the circumferential direction of the wheel disc 17.
  • the blade platform top closes in the mounted state of the blade 14 preferably flush with the lateral surface of the annular disc 17.
  • the lower groove 41 is arranged in the lateral surface of the wheel disc 17.
  • the lower groove 41 is formed circumferentially and radially outwardly open.
  • the direction radially outwardly means away leading away from the center of the wheel disc 17.
  • the lower groove 41 is disposed opposite to the upper groove 20.
  • the open sides of the lower groove 41 and the upper groove 20 face each other.
  • the wheel disc 17 according to the invention has, at least on one of the blade root grooves, adjacent to the lower groove 41, a projection 40 which is provided with a bolt hole 22.
  • the bolt hole 22 serves to receive the bolt 19 according to the invention for fixing the cover plate 18 according to the invention in its installed position.
  • the cover plate 18 is brought to its final position, then the upper part 29 of the bolt 19 is guided through the bolt hole 22 of the wheel disc 17 and through the recess 28 of the cover plate 18, so that the nose 34 engages behind the cover plate 18.
  • the nose 34 fills the gap between the cover plate rear side 27 and the Schaufelfußstirnseite 44.
  • the lower part 20 is pushed under the upper part 29 through the bolt hole 22 of the wheel disc 17 and through the recess 28 of the cover plate 18.
  • the tongue and groove combination of the bolt 19 helps to position the upper part 29 and the lower part 30 to one another.
  • the bolt parts 29, 30 are fixed in particular by caulking.
  • the bolt 19 is fixed in a form-fitting manner.
  • the upper part 29 is fastened to the front 50 by the nose 34 in a form-fitting manner.
  • the lower part 30 is secured to the front 50 by the caulking form-fitting manner. In the other directions is the positive connection made by the blade root 15 and the wheel 17.
  • cover plates 18 result in the installed state strung together a shroud.
  • the cover plates 18 it is possible for the cover plates 18 to have overlapping areas (not shown here) on their sides, whereby the tightness between the cover plates 18 is increased, since there is no straight continuous joint between two cover plates 18.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP20130193327 2013-11-18 2013-11-18 Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz Withdrawn EP2873807A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20130193327 EP2873807A1 (fr) 2013-11-18 2013-11-18 Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz
CN201480062779.8A CN105765170B (zh) 2013-11-18 2014-10-24 密封系统和燃气涡轮机
US15/035,400 US10087769B2 (en) 2013-11-18 2014-10-24 Sealing system and gas turbine
EP14793812.0A EP3071795A2 (fr) 2013-11-18 2014-10-24 Boulon, système d'étanchéité et turbine à gaz
PCT/EP2014/072817 WO2015071070A2 (fr) 2013-11-18 2014-10-24 Boulon, système d'étanchéité et turbine à gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20130193327 EP2873807A1 (fr) 2013-11-18 2013-11-18 Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz

Publications (1)

Publication Number Publication Date
EP2873807A1 true EP2873807A1 (fr) 2015-05-20

Family

ID=49641542

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20130193327 Withdrawn EP2873807A1 (fr) 2013-11-18 2013-11-18 Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz
EP14793812.0A Withdrawn EP3071795A2 (fr) 2013-11-18 2014-10-24 Boulon, système d'étanchéité et turbine à gaz

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14793812.0A Withdrawn EP3071795A2 (fr) 2013-11-18 2014-10-24 Boulon, système d'étanchéité et turbine à gaz

Country Status (4)

Country Link
US (1) US10087769B2 (fr)
EP (2) EP2873807A1 (fr)
CN (1) CN105765170B (fr)
WO (1) WO2015071070A2 (fr)

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* Cited by examiner, † Cited by third party
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CN105765170A (zh) * 2013-11-18 2016-07-13 西门子股份公司 螺栓、密封系统和燃气涡轮机
EP3236011A1 (fr) * 2016-04-20 2017-10-25 Rolls-Royce Deutschland Ltd & Co KG Rotor comprenant un porte à faux sur les pales pour un élément de sécurité

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EP2975219A1 (fr) * 2014-07-17 2016-01-20 Siemens Aktiengesellschaft Assemblage de disque de roue
GB201417039D0 (en) * 2014-09-26 2014-11-12 Rolls Royce Plc A bladed rotor arrangement and a lock plate for a bladed rotor arrangement
US10047611B2 (en) 2016-01-28 2018-08-14 United Technologies Corporation Turbine blade attachment curved rib stiffeners
US10077665B2 (en) * 2016-01-28 2018-09-18 United Technologies Corporation Turbine blade attachment rails for attachment fillet stress reduction
US10941671B2 (en) * 2017-03-23 2021-03-09 General Electric Company Gas turbine engine component incorporating a seal slot
FR3080144B1 (fr) * 2018-04-12 2020-03-20 Safran Aircraft Engines Dispositif de masquage d'un pourtour interieur d'un disque de turbomachine
EP3564489A1 (fr) 2018-05-03 2019-11-06 Siemens Aktiengesellschaft Rotor à surfaces de contact optimisées au niveau de forces centrifuges
JP7092938B2 (ja) * 2018-08-02 2022-06-28 シーメンス エナジー グローバル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト ２つのロータディスクの間にロータ組立要素を配置したロータ
KR102142141B1 (ko) * 2018-08-17 2020-08-06 두산중공업 주식회사 터빈, 가스 터빈, 및 터빈 블레이드 분리 방법
FR3092861B1 (fr) * 2019-02-18 2023-02-10 Safran Aircraft Engines Ensemble de turbomachine comportant un taquet sur un jonc d'etancheite
KR102400013B1 (ko) 2020-08-21 2022-05-18 두산에너빌리티 주식회사 터빈 블레이드의 씰 조립구조와 이를 포함하는 가스 터빈 및 터빈 블레이드의 씰 조립방법
JP7414941B1 (ja) * 2022-11-29 2024-01-16 株式会社東芝 タービン動翼の固定構造

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Publication number Priority date Publication date Assignee Title
US2971744A (en) * 1956-11-27 1961-02-14 Szydlowski Joseph Blade lock
GB1209419A (en) * 1968-06-24 1970-10-21 Westinghouse Electric Corp Side plates for turbine blades
US3656865A (en) * 1970-07-21 1972-04-18 Gen Motors Corp Rotor blade retainer
US3887298A (en) * 1974-05-30 1975-06-03 United Aircraft Corp Apparatus for sealing turbine blade damper cavities
GB2258273A (en) * 1991-08-02 1993-02-03 Ruston Gas Turbines Ltd Rotor blade locking arrangement.
WO2000000200A1 (fr) 1998-06-29 2000-01-06 Astrazeneca Ab COMPOSITION PHARMACEUTIQUE CONTENANT UN INHIBITEUR DE COX-2 ET UN INHIBITEUR DE iNOS
WO2007028703A1 (fr) * 2005-09-07 2007-03-15 Siemens Aktiengesellschaft Systeme de retenue axiale de d'aubes mobiles dans un rotor et utilisation dudit systeme
EP1944471A1 (fr) * 2007-01-09 2008-07-16 Siemens Aktiengesellschaft Partie axiale d'une rotor de turbine

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EP1840338B1 (fr) * 2006-03-28 2011-08-17 Siemens Aktiengesellschaft Arrangement pour la fermeture axiale des palettes d'une turbine dans un rotor et gasturbine avec un tel arrangement
EP2873807A1 (fr) 2013-11-18 2015-05-20 Siemens Aktiengesellschaft Plaque de recouvrement, aube mobile, disque de roue, boulon et turbine à gaz

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971744A (en) * 1956-11-27 1961-02-14 Szydlowski Joseph Blade lock
GB1209419A (en) * 1968-06-24 1970-10-21 Westinghouse Electric Corp Side plates for turbine blades
US3656865A (en) * 1970-07-21 1972-04-18 Gen Motors Corp Rotor blade retainer
US3887298A (en) * 1974-05-30 1975-06-03 United Aircraft Corp Apparatus for sealing turbine blade damper cavities
GB2258273A (en) * 1991-08-02 1993-02-03 Ruston Gas Turbines Ltd Rotor blade locking arrangement.
WO2000000200A1 (fr) 1998-06-29 2000-01-06 Astrazeneca Ab COMPOSITION PHARMACEUTIQUE CONTENANT UN INHIBITEUR DE COX-2 ET UN INHIBITEUR DE iNOS
WO2007028703A1 (fr) * 2005-09-07 2007-03-15 Siemens Aktiengesellschaft Systeme de retenue axiale de d'aubes mobiles dans un rotor et utilisation dudit systeme
EP1944471A1 (fr) * 2007-01-09 2008-07-16 Siemens Aktiengesellschaft Partie axiale d'une rotor de turbine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105765170A (zh) * 2013-11-18 2016-07-13 西门子股份公司 螺栓、密封系统和燃气涡轮机
CN105765170B (zh) * 2013-11-18 2017-09-01 西门子股份公司 密封系统和燃气涡轮机
US10087769B2 (en) 2013-11-18 2018-10-02 Siemens Aktiengesellschaft Sealing system and gas turbine
EP3236011A1 (fr) * 2016-04-20 2017-10-25 Rolls-Royce Deutschland Ltd & Co KG Rotor comprenant un porte à faux sur les pales pour un élément de sécurité
US20170306771A1 (en) * 2016-04-20 2017-10-26 Rolls-Royce Deutschland Ltd & Co Kg Rotor with overhang at blades for a locking element
US10526904B2 (en) 2016-04-20 2020-01-07 Rolls-Royce Deutschland Ltd & Co Kg Rotor with overhang at blades for a locking element
EP3236011B1 (fr) 2016-04-20 2022-08-31 Rolls-Royce Deutschland Ltd & Co KG Rotor comprenant un porte à faux sur les pales pour un élément de sécurité

Also Published As

Publication number Publication date
US20160265378A1 (en) 2016-09-15
US10087769B2 (en) 2018-10-02
WO2015071070A3 (fr) 2015-08-20
EP3071795A2 (fr) 2016-09-28
CN105765170A (zh) 2016-07-13
CN105765170B (zh) 2017-09-01
WO2015071070A2 (fr) 2015-05-21

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