IT1034384B - Ammortizzatore palare per turbina - Google Patents

Ammortizzatore palare per turbina

Info

Publication number
IT1034384B
IT1034384B IT21385/75A IT2138575A IT1034384B IT 1034384 B IT1034384 B IT 1034384B IT 21385/75 A IT21385/75 A IT 21385/75A IT 2138575 A IT2138575 A IT 2138575A IT 1034384 B IT1034384 B IT 1034384B
Authority
IT
Italy
Prior art keywords
turbine
shock absorber
absorber
shock
Prior art date
Application number
IT21385/75A
Other languages
English (en)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1034384B publication Critical patent/IT1034384B/it

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
    • 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
    • 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
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • 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)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT21385/75A 1974-03-20 1975-03-18 Ammortizzatore palare per turbina IT1034384B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US452867A US3893782A (en) 1974-03-20 1974-03-20 Turbine blade damping

Publications (1)

Publication Number Publication Date
IT1034384B true IT1034384B (it) 1979-09-10

Family

ID=23798281

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21385/75A IT1034384B (it) 1974-03-20 1975-03-18 Ammortizzatore palare per turbina

Country Status (3)

Country Link
US (1) US3893782A (it)
JP (2) JPS50132306A (it)
IT (1) IT1034384B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1518293A (en) * 1975-09-25 1978-07-19 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4152094A (en) * 1975-10-31 1979-05-01 Hitachi, Ltd. Axial fan
JPS53115912A (en) * 1977-03-18 1978-10-09 Matsushita Electric Ind Co Ltd Electric blower
US4239452A (en) * 1978-06-26 1980-12-16 United Technologies Corporation Blade tip shroud for a compression stage of a gas turbine engine
US4285633A (en) * 1979-10-26 1981-08-25 The United States Of America As Represented By The Secretary Of The Air Force Broad spectrum vibration damper assembly fixed stator vanes of axial flow compressor
GB2245312B (en) * 1984-06-19 1992-03-25 Rolls Royce Plc Axial flow compressor surge margin improvement
US4781530A (en) * 1986-07-28 1988-11-01 Cummins Engine Company, Inc. Compressor range improvement means
US6375416B1 (en) * 1993-07-15 2002-04-23 Kevin J. Farrell Technique for reducing acoustic radiation in turbomachinery
US5490759A (en) * 1994-04-28 1996-02-13 Hoffman; Jay Magnetic damping system to limit blade tip vibrations in turbomachines
EP1515000B1 (de) * 2003-09-09 2016-03-09 Alstom Technology Ltd Beschaufelung einer Turbomaschine mit konturierten Deckbändern
DE102008052401A1 (de) * 2008-10-21 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Laufspalteinzug
US20100303604A1 (en) * 2009-05-27 2010-12-02 Dresser-Rand Company System and method to reduce acoustic signature using profiled stage design
GB2483061A (en) 2010-08-23 2012-02-29 Rolls Royce Plc A method of damping aerofoil structure vibrations
WO2019074802A1 (en) * 2017-10-13 2019-04-18 Out of the Box Audio, LLC THIN FILM RESONATORS
US11085303B1 (en) 2020-06-16 2021-08-10 General Electric Company Pressurized damping fluid injection for damping turbine blade vibration
US11143036B1 (en) 2020-08-20 2021-10-12 General Electric Company Turbine blade with friction and impact vibration damping elements
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301530A (en) * 1965-08-03 1967-01-31 Gen Motors Corp Damped blade
NL7004146A (it) * 1969-03-27 1970-09-29
US3730640A (en) * 1971-06-28 1973-05-01 United Aircraft Corp Seal ring for gas turbine
US3758233A (en) * 1972-01-17 1973-09-11 Gen Motors Corp Vibration damping coatings

Also Published As

Publication number Publication date
US3893782A (en) 1975-07-08
JPS5528803Y2 (it) 1980-07-10
JPS50132306A (it) 1975-10-20
JPS54147301U (it) 1979-10-13

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