ATE469288T1 - Schaufelanordnung - Google Patents

Schaufelanordnung

Info

Publication number
ATE469288T1
ATE469288T1 AT07821832T AT07821832T ATE469288T1 AT E469288 T1 ATE469288 T1 AT E469288T1 AT 07821832 T AT07821832 T AT 07821832T AT 07821832 T AT07821832 T AT 07821832T AT E469288 T1 ATE469288 T1 AT E469288T1
Authority
AT
Austria
Prior art keywords
damping elements
rotor
blades
contacts
makes contact
Prior art date
Application number
AT07821832T
Other languages
English (en)
Inventor
Andreas Kayser
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
Application granted granted Critical
Publication of ATE469288T1 publication Critical patent/ATE469288T1/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
    • 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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/23—Three-dimensional prismatic
    • F05D2250/231—Three-dimensional prismatic cylindrical
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Power Steering Mechanism (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Fluid-Damping Devices (AREA)
AT07821832T 2006-11-23 2007-10-25 Schaufelanordnung ATE469288T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06024326A EP1925781A1 (de) 2006-11-23 2006-11-23 Schaufelanordnung
PCT/EP2007/061469 WO2008061856A1 (de) 2006-11-23 2007-10-25 Schaufelanordnung

Publications (1)

Publication Number Publication Date
ATE469288T1 true ATE469288T1 (de) 2010-06-15

Family

ID=37888032

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07821832T ATE469288T1 (de) 2006-11-23 2007-10-25 Schaufelanordnung

Country Status (9)

Country Link
US (1) US8167563B2 (de)
EP (2) EP1925781A1 (de)
JP (1) JP4806075B2 (de)
CN (1) CN101542073B (de)
AT (1) ATE469288T1 (de)
DE (1) DE502007003972D1 (de)
ES (1) ES2345686T3 (de)
RU (1) RU2417323C2 (de)
WO (1) WO2008061856A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2418356A1 (de) 2010-08-10 2012-02-15 Siemens Aktiengesellschaft Dämpfungselement für ein Turbinenschaufelrad und entsprechend ausgebildete Turbinenschaufel
EP2434098A1 (de) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Schaufelanordnung und zugehörige Gasturbine
US9194238B2 (en) * 2012-11-28 2015-11-24 General Electric Company System for damping vibrations in a turbine
CN104594957B (zh) * 2014-12-08 2016-06-15 东方电气集团东方汽轮机有限公司 汽轮机调节级动叶片的阻尼结构
EP3078808A1 (de) * 2015-04-07 2016-10-12 Siemens Aktiengesellschaft Laufschaufelreihe für eine strömungsmaschine
US10472975B2 (en) * 2015-09-03 2019-11-12 General Electric Company Damper pin having elongated bodies for damping adjacent turbine blades
US10662784B2 (en) * 2016-11-28 2020-05-26 Raytheon Technologies Corporation Damper with varying thickness for a blade
US10677073B2 (en) 2017-01-03 2020-06-09 Raytheon Technologies Corporation Blade platform with damper restraint
US10731479B2 (en) 2017-01-03 2020-08-04 Raytheon Technologies Corporation Blade platform with damper restraint
JP7039355B2 (ja) * 2018-03-28 2022-03-22 三菱重工業株式会社 回転機械
EP3976929B1 (de) * 2019-05-29 2025-01-29 Safran Aircraft Engines Anordnung für eine turbomaschine
CN113803115B (zh) * 2020-06-16 2024-04-05 中国航发商用航空发动机有限责任公司 涡轮叶片缘板阻尼器、涡轮叶片和航空发动机
US11525464B2 (en) 2021-03-23 2022-12-13 Pratt & Whitney Canada Corp. Rotor with centrifugally wedged damper
US11391157B1 (en) 2021-03-23 2022-07-19 Pratt & Whitney Canada Corp. Damped rotor assembly
JP7756559B2 (ja) * 2021-12-22 2025-10-20 三菱重工業株式会社 回転機械

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2310412A (en) * 1941-03-08 1943-02-09 Westinghouse Electric & Mfg Co Vibration dampener
US2942843A (en) * 1956-06-15 1960-06-28 Westinghouse Electric Corp Blade vibration damping structure
SU128868A1 (ru) * 1959-04-20 1959-11-30 В.С. Осадченко Демпфер сухого трени дл изменени собственной частоты колебаний бандажированных рабочих лопаток турбин
SU1127979A1 (ru) * 1983-02-23 1984-12-07 Предприятие П/Я Р-6837 Рабочее колесо турбомашины
US4580946A (en) * 1984-11-26 1986-04-08 General Electric Company Fan blade platform seal
GB2223277B (en) * 1988-09-30 1992-08-12 Rolls Royce Plc Aerofoil blade damping
FR2665726B1 (fr) * 1990-08-08 1993-07-02 Snecma Soufflante de turbomachine a amortisseur dynamique a cames.
US5156528A (en) 1991-04-19 1992-10-20 General Electric Company Vibration damping of gas turbine engine buckets
FR2716502B1 (fr) * 1994-02-23 1996-04-05 Snecma Garniture d'étanchéité entre des aubes et des plates-formes intermédiaires.
GB9724731D0 (en) * 1997-11-25 1998-01-21 Rolls Royce Plc Friction damper
DE10022244A1 (de) * 2000-05-08 2001-11-15 Alstom Power Nv Schaufelanordnung mit Dämpfungselementen
JP2006125372A (ja) 2004-11-01 2006-05-18 Mitsubishi Heavy Ind Ltd 回転機械翼の防振構造および回転機械

Also Published As

Publication number Publication date
WO2008061856A1 (de) 2008-05-29
CN101542073A (zh) 2009-09-23
US8167563B2 (en) 2012-05-01
RU2009123844A (ru) 2010-12-27
US20100021302A1 (en) 2010-01-28
JP2010510436A (ja) 2010-04-02
JP4806075B2 (ja) 2011-11-02
EP1925781A1 (de) 2008-05-28
DE502007003972D1 (de) 2010-07-08
ES2345686T3 (es) 2010-09-29
EP2094946B1 (de) 2010-05-26
RU2417323C2 (ru) 2011-04-27
EP2094946A1 (de) 2009-09-02
CN101542073B (zh) 2013-02-13

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