JPS50132306A - - Google Patents

Info

Publication number
JPS50132306A
JPS50132306A JP50033049A JP3304975A JPS50132306A JP S50132306 A JPS50132306 A JP S50132306A JP 50033049 A JP50033049 A JP 50033049A JP 3304975 A JP3304975 A JP 3304975A JP S50132306 A JPS50132306 A JP S50132306A
Authority
JP
Japan
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.)
Pending
Application number
JP50033049A
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 filed Critical
Publication of JPS50132306A publication Critical patent/JPS50132306A/ja
Pending 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
    • F01D5/12—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
JP50033049A 1974-03-20 1975-03-20 Pending JPS50132306A (ja)

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
JPS50132306A true JPS50132306A (ja) 1975-10-20

Family

ID=23798281

Family Applications (2)

Application Number Title Priority Date Filing Date
JP50033049A Pending JPS50132306A (ja) 1974-03-20 1975-03-20
JP1979052779U Expired JPS5528803Y2 (ja) 1974-03-20 1979-04-21

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1979052779U Expired JPS5528803Y2 (ja) 1974-03-20 1979-04-21

Country Status (3)

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

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
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures

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
BE747870A (fr) * 1969-03-27 1970-09-24 Aerospatiale Perfectionnements apportes aux carenages pour helices ou ventilateurs
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
IT1034384B (it) 1979-09-10
JPS54147301U (ja) 1979-10-13
JPS5528803Y2 (ja) 1980-07-10
US3893782A (en) 1975-07-08

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