EP1026367A1 - Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine - Google Patents

Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine Download PDF

Info

Publication number
EP1026367A1
EP1026367A1 EP99101655A EP99101655A EP1026367A1 EP 1026367 A1 EP1026367 A1 EP 1026367A1 EP 99101655 A EP99101655 A EP 99101655A EP 99101655 A EP99101655 A EP 99101655A EP 1026367 A1 EP1026367 A1 EP 1026367A1
Authority
EP
European Patent Office
Prior art keywords
sealing material
gap
blade tip
blade
fluid machine
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Withdrawn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
EP99101655A
Other languages
German (de)
English (en)
Inventor
Gerhard Döpper
Beate Heimberg
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 EP99101655A priority Critical patent/EP1026367A1/fr
Publication of EP1026367A1 publication Critical patent/EP1026367A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/127—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with a deformable or crushable structure, e.g. honeycomb

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP99101655A 1999-02-05 1999-02-05 Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine Withdrawn EP1026367A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99101655A EP1026367A1 (fr) 1999-02-05 1999-02-05 Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99101655A EP1026367A1 (fr) 1999-02-05 1999-02-05 Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine

Publications (1)

Publication Number Publication Date
EP1026367A1 true EP1026367A1 (fr) 2000-08-09

Family

ID=8237446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101655A Withdrawn EP1026367A1 (fr) 1999-02-05 1999-02-05 Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine

Country Status (1)

Country Link
EP (1) EP1026367A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2309098A1 (fr) * 2009-09-30 2011-04-13 Siemens Aktiengesellschaft Profil et aube directrice, aube rotorique, turbine à gaz et turbomachine associées
CN113090341A (zh) * 2021-05-14 2021-07-09 中国航发湖南动力机械研究所 一种能适应转子双向旋转的指尖密封装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289446A (en) 1979-06-27 1981-09-15 United Technologies Corporation Ceramic faced outer air seal for gas turbine engines
US4540336A (en) * 1984-04-19 1985-09-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Oxidizing seal for a turbine tip gas path
US4936745A (en) 1988-12-16 1990-06-26 United Technologies Corporation Thin abradable ceramic air seal
US5238364A (en) * 1991-08-08 1993-08-24 Asea Brown Boveri Ltd. Shroud ring for an axial flow turbine
US5355637A (en) 1991-06-04 1994-10-18 Rolls-Royce Plc Abrasive medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289446A (en) 1979-06-27 1981-09-15 United Technologies Corporation Ceramic faced outer air seal for gas turbine engines
US4540336A (en) * 1984-04-19 1985-09-10 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Oxidizing seal for a turbine tip gas path
US4936745A (en) 1988-12-16 1990-06-26 United Technologies Corporation Thin abradable ceramic air seal
US5355637A (en) 1991-06-04 1994-10-18 Rolls-Royce Plc Abrasive medium
US5238364A (en) * 1991-08-08 1993-08-24 Asea Brown Boveri Ltd. Shroud ring for an axial flow turbine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2309098A1 (fr) * 2009-09-30 2011-04-13 Siemens Aktiengesellschaft Profil et aube directrice, aube rotorique, turbine à gaz et turbomachine associées
US20120230818A1 (en) * 2009-09-30 2012-09-13 Andrew Shepherd Airfoil and corresponding guide vane, blade, gas turbine and turbomachine
CN113090341A (zh) * 2021-05-14 2021-07-09 中国航发湖南动力机械研究所 一种能适应转子双向旋转的指尖密封装置

Similar Documents

Publication Publication Date Title
DE3102575C2 (fr)
DE3401742C2 (de) Rotor für einen Axialverdichter
DE69924591T2 (de) Reparatur von Hochdruck-Anstreifringen von Turbinen
EP1471211B1 (fr) Joint d'étanchéité entre l'anneau de guidage et le rotor d'une turbine à haute pression
DE102012106175A1 (de) Strukturierte schleifend abtragbare Beschichtungen für Oberflächen stationärer Dampfturbinenkomponenten
DE3151413A1 (de) "schaufel einer stroemungsmaschine, insbesondere gasturbine"
EP1902160B1 (fr) Couche calorifuge ceramique
EP3121307A1 (fr) Blindage et procédé de réalisation d'un blindage
CH669976A5 (fr)
EP1336723B1 (fr) Aube mobile pour le rotor d'une turbine
EP1969156A1 (fr) Procede de revetement d'une aube et aube d'une turbine a gaz
WO2000017417A1 (fr) Procede de traitement de l'interieur d'un element creux
EP1762303A1 (fr) Procédé pour préparer des aubes de turbine en vue de leur revêtement par pulvérisation et support pour fixer de telles aubes
EP1820872B1 (fr) Procédé de préparation des aubes de turbomachine avec une bande de masquage ayant un connecteur pour un traitement complémentaire, et aube de turbomachine correspondante
CH710176A2 (de) Eine Einlaufdichtung und Verfahren zur Herstellung einer Einlaufdichtung.
EP2313615B1 (fr) Dispositif d'aubes d'une turbine à gaz
DE19619438A1 (de) Wärmestausegment für eine Turbomaschine
EP2516688A1 (fr) Procédé de fabrication d'un joint d'étanchéité de rotor/stator d'une turbine à gaz
DE102015121648A1 (de) Turbinenkomponenten-Oberflächenbehandlungsverfahren und -systeme
DE19730008C1 (de) Panzerung für ein metallisches Triebwerksbauteil und Verfahren zu ihrer Herstellung
EP3438414B1 (fr) Aube pour turbomachine dotée des différentes couches de protection et procédé de fabrication
EP1654441A1 (fr) Revetement de rodage pour turbines a gaz compose d'un materiau titane-aluminium
EP1026367A1 (fr) Système d'étanchéité pour les extrémités d'aubes mobiles de turbomachine
EP1957756B1 (fr) Procede de fabrication d'une garniture d'admission
DE112020001189T5 (de) Turbinenlaufschaufel und Kontaktoberflächenherstellungsverfahren

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

AKX Designation fees paid
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20010210

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566