DE10346263A1 - Schaufelfußbefestigung - Google Patents

Schaufelfußbefestigung Download PDF

Info

Publication number
DE10346263A1
DE10346263A1 DE2003146263 DE10346263A DE10346263A1 DE 10346263 A1 DE10346263 A1 DE 10346263A1 DE 2003146263 DE2003146263 DE 2003146263 DE 10346263 A DE10346263 A DE 10346263A DE 10346263 A1 DE10346263 A1 DE 10346263A1
Authority
DE
Germany
Prior art keywords
blade root
anchoring
contours
regard
fastening
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Withdrawn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
DE2003146263
Other languages
English (en)
Inventor
Reinhard Fried
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.)
General Electric Technology GmbH
Original Assignee
Alstom Technology 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 Alstom Technology AG filed Critical Alstom Technology AG
Priority to DE2003146263 priority Critical patent/DE10346263A1/de
Publication of DE10346263A1 publication Critical patent/DE10346263A1/de
Withdrawn legal-status Critical Current

Links

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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the 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
    • F01D5/005—Repairing methods or devices
    • 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
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Befestigung (12) eines Schaufelfußes (2) an einem Schaufelträger (4) einer Strömungsmaschine, wobei DOLLAR A - der Schaufelfuß (2) mit einer ersten Verankerungskontur (6) versehen ist, DOLLAR A - der Schaufelträger (4) mit einer Verankerungsnut (5) versehen ist, in welche der Schaufelfuß (2) eingeführt ist, DOLLAR A - die Verankerungsnut (5) mit einer zweiten Verankerungskontur (10) versehen ist, DOLLAR A - die erste Verankerungskontur (6) mit wenigstens einer ersten Längsnut (7) versehen ist, DOLLAR A - die zweite Verankerungskontur (10) mit wenigstens einer zweiten Längsnut (11) versehen ist. DOLLAR A Um eine Rekonditionierung der Schaufelfußbefestigung (12) zu verbessern, ist die Schaufelfußbesfestigung (12) mit wenigstens einem Formschlussglied (16) versehen, das gleichzeitig in wenigstens eine erste Längsnut (7) und in wenigstens eine zweite Längsnut (11) eingreift.
DE2003146263 2003-10-06 2003-10-06 Schaufelfußbefestigung Withdrawn DE10346263A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2003146263 DE10346263A1 (de) 2003-10-06 2003-10-06 Schaufelfußbefestigung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003146263 DE10346263A1 (de) 2003-10-06 2003-10-06 Schaufelfußbefestigung

Publications (1)

Publication Number Publication Date
DE10346263A1 true DE10346263A1 (de) 2005-04-28

Family

ID=34399268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003146263 Withdrawn DE10346263A1 (de) 2003-10-06 2003-10-06 Schaufelfußbefestigung

Country Status (1)

Country Link
DE (1) DE10346263A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102869890A (zh) * 2012-04-04 2013-01-09 弗拉斯季米尔·塞德拉切克 用固定索将叶片固定在叶片环中的方法
EP2557267A1 (de) * 2011-08-09 2013-02-13 Alstom Technology Ltd Verfahren zur Rekonditionierung eines Rotors einer Strömungsmaschine
WO2013034385A1 (de) * 2011-09-05 2013-03-14 Siemens Aktiengesellschaft Leitvorrichtung für eine turbine
EP2818638A1 (de) 2013-06-27 2014-12-31 MTU Aero Engines GmbH Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
EP2873808A1 (de) 2013-11-19 2015-05-20 MTU Aero Engines GmbH Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
EP2886799A1 (de) * 2013-12-20 2015-06-24 Siemens Aktiengesellschaft Schaufelkranz für eine Strömungsmaschine und Verfahren zum Montieren von Schaufeln eines Schaufelkranzes einer Strömungsmaschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317338A (en) * 1942-02-07 1943-04-20 Westinghouse Electric & Mfg Co Turbine blade fastening apparatus
US2430185A (en) * 1946-07-25 1947-11-04 Continental Aviat & Engineerin Turbine rotor
US2651494A (en) * 1949-11-24 1953-09-08 Svenska Flygmotor Aktiebolaget Turbine disk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317338A (en) * 1942-02-07 1943-04-20 Westinghouse Electric & Mfg Co Turbine blade fastening apparatus
US2430185A (en) * 1946-07-25 1947-11-04 Continental Aviat & Engineerin Turbine rotor
US2651494A (en) * 1949-11-24 1953-09-08 Svenska Flygmotor Aktiebolaget Turbine disk

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557267A1 (de) * 2011-08-09 2013-02-13 Alstom Technology Ltd Verfahren zur Rekonditionierung eines Rotors einer Strömungsmaschine
CH705377A1 (de) * 2011-08-09 2013-02-15 Alstom Technology Ltd Verfahren zur Rekonditionierung eines Rotors einer Strömungsmaschine.
US8720057B2 (en) 2011-08-09 2014-05-13 Alstom Technology Ltd Method for reconditioning a rotor of a turbomachine
WO2013034385A1 (de) * 2011-09-05 2013-03-14 Siemens Aktiengesellschaft Leitvorrichtung für eine turbine
CN102869890A (zh) * 2012-04-04 2013-01-09 弗拉斯季米尔·塞德拉切克 用固定索将叶片固定在叶片环中的方法
WO2013150336A1 (en) * 2012-04-04 2013-10-10 Vlastimil Sedlacek Method of securing of blades in blade ring with securing wire
EP2818638A1 (de) 2013-06-27 2014-12-31 MTU Aero Engines GmbH Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
EP2873808A1 (de) 2013-11-19 2015-05-20 MTU Aero Engines GmbH Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
DE102013223583A1 (de) 2013-11-19 2015-05-21 MTU Aero Engines AG Schaufel-Scheiben-Verbund, Verfahren und Strömungsmaschine
US10041363B2 (en) 2013-11-19 2018-08-07 MTU Aero Engines AG Blade-disk assembly, method and turbomachine
EP2886799A1 (de) * 2013-12-20 2015-06-24 Siemens Aktiengesellschaft Schaufelkranz für eine Strömungsmaschine und Verfahren zum Montieren von Schaufeln eines Schaufelkranzes einer Strömungsmaschine

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8139 Disposal/non-payment of the annual fee