CH622313A5 - - Google Patents

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Publication number
CH622313A5
CH622313A5 CH1122077A CH1122077A CH622313A5 CH 622313 A5 CH622313 A5 CH 622313A5 CH 1122077 A CH1122077 A CH 1122077A CH 1122077 A CH1122077 A CH 1122077A CH 622313 A5 CH622313 A5 CH 622313A5
Authority
CH
Switzerland
Prior art keywords
damper
blades
tube
turbine
individual
Prior art date
Application number
CH1122077A
Other languages
German (de)
English (en)
Inventor
Emil Anner
Harry Brunner
Hans Joerg Meister
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Priority to CH1122077A priority Critical patent/CH622313A5/de
Priority to DE2746215A priority patent/DE2746215C2/de
Priority to FR7825992A priority patent/FR2403450A1/fr
Priority to JP11241478A priority patent/JPS5450711A/ja
Priority to US05/942,143 priority patent/US4268223A/en
Publication of CH622313A5 publication Critical patent/CH622313A5/de

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
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CH1122077A 1977-09-14 1977-09-14 CH622313A5 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1122077A CH622313A5 (zh) 1977-09-14 1977-09-14
DE2746215A DE2746215C2 (de) 1977-09-14 1977-10-14 Schwingungsdämpfer für Turbinenschaufeln
FR7825992A FR2403450A1 (fr) 1977-09-14 1978-09-11 Amortisseur de vibrations pour les aubes de turbines
JP11241478A JPS5450711A (en) 1977-09-14 1978-09-14 Vibration damper for turbine vane
US05/942,143 US4268223A (en) 1977-09-14 1978-09-14 Vibration supression for turbine blades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1122077A CH622313A5 (zh) 1977-09-14 1977-09-14

Publications (1)

Publication Number Publication Date
CH622313A5 true CH622313A5 (zh) 1981-03-31

Family

ID=4371268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1122077A CH622313A5 (zh) 1977-09-14 1977-09-14

Country Status (5)

Country Link
US (1) US4268223A (zh)
JP (1) JPS5450711A (zh)
CH (1) CH622313A5 (zh)
DE (1) DE2746215C2 (zh)
FR (1) FR2403450A1 (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662824A (en) * 1984-10-01 1987-05-05 Ortolano Ralph J Sleeve connectors for turbines
CH666722A5 (de) * 1985-07-05 1988-08-15 Bbc Brown Boveri & Cie Laufschaufelkranz einer axial durchstroemten turbomaschine.
DE19913265A1 (de) * 1999-03-24 2000-09-28 Asea Brown Boveri Turbomaschinenschaufel
US6607359B2 (en) 2001-03-02 2003-08-19 Hood Technology Corporation Apparatus for passive damping of flexural blade vibration in turbo-machinery
US6482533B2 (en) * 2001-03-05 2002-11-19 The Boeing Company Article having imbedded cavity
US6752594B2 (en) 2002-02-07 2004-06-22 The Boeing Company Split blade frictional damper
US6699015B2 (en) 2002-02-19 2004-03-02 The Boeing Company Blades having coolant channels lined with a shape memory alloy and an associated fabrication method
US7104752B2 (en) * 2004-10-28 2006-09-12 Florida Turbine Technologies, Inc. Braided wire damper for segmented stator/rotor and method
US8523525B2 (en) * 2010-02-05 2013-09-03 Siemens Energy, Inc. Snubber assembly for turbine blades
EP2573327A1 (en) * 2011-09-20 2013-03-27 Siemens Aktiengesellschaft Damping wire, corresponding rotor blade stage, steam turbine and producing method
JP6134878B2 (ja) * 2012-09-27 2017-05-31 三菱日立パワーシステムズ株式会社 タービンの静翼制振構造
WO2015085078A1 (en) * 2013-12-05 2015-06-11 United Technologies Corporation Hollow blade having internal damper

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE518519C (de) * 1928-12-14 1931-02-17 Bbc Brown Boveri & Cie Verfahren und Vorrichtung zur Herstellung der Bindung zwischen den Schaufeln von Dampf- und Gasturbinen mittels Bindedrahts und Zwischenstuecke
GB381873A (en) * 1932-04-22 1932-10-13 British Thomson Houston Co Ltd Improvements in or relating to methods of stiffening turbine blades by means of lacing
GB708836A (en) * 1950-10-26 1954-05-12 Rateau Soc Improvements in or relating to vibration damping means for rotor blades of turbines,compressors and the like
US2771267A (en) * 1952-05-27 1956-11-20 United Aircraft Corp Lacing for compressor blades
NL81546C (zh) * 1952-07-22 1955-12-15
DE1157631B (de) * 1959-04-18 1963-11-21 Gutehoffnungshuette Sterkrade Schaufelbindung bei Turbomaschinen

Also Published As

Publication number Publication date
JPS5450711A (en) 1979-04-20
DE2746215C2 (de) 1985-10-24
DE2746215A1 (de) 1979-03-22
US4268223A (en) 1981-05-19
FR2403450A1 (fr) 1979-04-13

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PL Patent ceased