ATE514837T1 - Magnetische vorrichtung zur dämpfung von schaufelschwingungen bei strömungsmaschinen - Google Patents

Magnetische vorrichtung zur dämpfung von schaufelschwingungen bei strömungsmaschinen

Info

Publication number
ATE514837T1
ATE514837T1 AT08864578T AT08864578T ATE514837T1 AT E514837 T1 ATE514837 T1 AT E514837T1 AT 08864578 T AT08864578 T AT 08864578T AT 08864578 T AT08864578 T AT 08864578T AT E514837 T1 ATE514837 T1 AT E514837T1
Authority
AT
Austria
Prior art keywords
blade
housing
aligned
rotation axis
magnetic device
Prior art date
Application number
AT08864578T
Other languages
English (en)
Inventor
Christoph Hermann Richter
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 ATE514837T1 publication Critical patent/ATE514837T1/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
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • F01D25/06—Antivibration arrangements for preventing blade vibration
    • 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
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/507—Magnetic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
AT08864578T 2007-12-21 2008-11-25 Magnetische vorrichtung zur dämpfung von schaufelschwingungen bei strömungsmaschinen ATE514837T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07024982A EP2072755A1 (de) 2007-12-21 2007-12-21 Magnetische Vorrichtung zur Dämpfung von Schaufelschwingungen bei Strömungsmaschinen
PCT/EP2008/066156 WO2009080433A1 (de) 2007-12-21 2008-11-25 Magnetische vorrichtung zur dämpfung von schaufelschwingungen bei strömungsmaschinen

Publications (1)

Publication Number Publication Date
ATE514837T1 true ATE514837T1 (de) 2011-07-15

Family

ID=39884199

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08864578T ATE514837T1 (de) 2007-12-21 2008-11-25 Magnetische vorrichtung zur dämpfung von schaufelschwingungen bei strömungsmaschinen

Country Status (6)

Country Link
US (1) US8568088B2 (de)
EP (2) EP2072755A1 (de)
JP (1) JP5143236B2 (de)
CN (1) CN101952554B (de)
AT (1) ATE514837T1 (de)
WO (1) WO2009080433A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9291637B2 (en) 2010-12-20 2016-03-22 Nrg Systems Inc. System and method for damping a wind vane
DE102012201048B4 (de) * 2012-01-25 2014-03-27 MTU Aero Engines AG Verfahren und Dämpfungseinrichtung zur Schwingungsdämpfung einer Schaufel einer Strömungsmaschine, sowie Strömungsmaschine
JP6380845B2 (ja) * 2014-12-22 2018-08-29 三菱日立パワーシステムズ株式会社 回転機械
US10371050B2 (en) * 2014-12-23 2019-08-06 Rolls-Royce Corporation Gas turbine engine with rotor blade tip clearance flow control
US11148784B2 (en) * 2017-03-31 2021-10-19 Alluvionic, Inc. Propeller system with directional thrust control
JP7272935B2 (ja) * 2019-11-18 2023-05-12 三菱重工業株式会社 回転機械用の振動抑制装置及び回転機械
US20230192282A1 (en) * 2020-02-03 2023-06-22 Kymatics, Llc Rotor active stability control
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
JP2023063900A (ja) 2021-10-25 2023-05-10 三菱重工業株式会社 翼、及びブリスク翼
US11560801B1 (en) 2021-12-23 2023-01-24 Rolls-Royce North American Technologies Inc. Fan blade with internal magnetorheological fluid damping
US11746659B2 (en) 2021-12-23 2023-09-05 Rolls-Royce North American Technologies Inc. Fan blade with internal shear-thickening fluid damping

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE426057C (de) * 1924-10-17 1926-03-01 Kopp & Kausch Vorrichtung zur Verhinderung von Eisbildung an Pressluftturbinen
DE3667521D1 (de) * 1985-08-31 1990-01-18 Bbc Brown Boveri & Cie Einrichtung zur daempfung von schaufelschwingungen bei turbomaschinen.
US5365663A (en) * 1992-04-28 1994-11-22 Westinghouse Electric Corporation Method of attaching a monitor target to a shrouded blade
US5490759A (en) * 1994-04-28 1996-02-13 Hoffman; Jay Magnetic damping system to limit blade tip vibrations in turbomachines
DE19505389A1 (de) 1995-02-17 1996-08-22 Abb Research Ltd Schwingungsdämpfung für Turbinenschaufeln
US5967749A (en) * 1998-01-08 1999-10-19 Electric Boat Corporation Controllable pitch propeller arrangement
DE19937146A1 (de) 1999-08-06 2001-02-08 Abb Research Ltd Magnetische Vorrichtung zur Dämpfung von Schaufelschwingungen bei Turbomaschinen
GB2409936B (en) * 2001-02-09 2005-09-14 Rolls Royce Plc Gas turbine with electrical machine
US6895751B1 (en) 2004-03-08 2005-05-24 Christopher Greentree Vane control
GB0410778D0 (en) 2004-05-13 2004-06-16 Rolls Royce Plc Blade arrangement
GB2438185A (en) * 2006-05-17 2007-11-21 Rolls Royce Plc An apparatus for preventing ice accretion

Also Published As

Publication number Publication date
EP2072755A1 (de) 2009-06-24
JP2011506840A (ja) 2011-03-03
CN101952554A (zh) 2011-01-19
JP5143236B2 (ja) 2013-02-13
US20100278636A1 (en) 2010-11-04
WO2009080433A1 (de) 2009-07-02
EP2229506A1 (de) 2010-09-22
US8568088B2 (en) 2013-10-29
EP2229506B1 (de) 2011-06-29
CN101952554B (zh) 2014-06-18

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