IT1236984B - Fila di elementi aerodinamici smorzati per turbomotore a gas - Google Patents

Fila di elementi aerodinamici smorzati per turbomotore a gas

Info

Publication number
IT1236984B
IT1236984B IT02285589A IT2285589A IT1236984B IT 1236984 B IT1236984 B IT 1236984B IT 02285589 A IT02285589 A IT 02285589A IT 2285589 A IT2285589 A IT 2285589A IT 1236984 B IT1236984 B IT 1236984B
Authority
IT
Italy
Prior art keywords
damped
row
turbo engine
gas turbo
aerodynamic elements
Prior art date
Application number
IT02285589A
Other languages
English (en)
Other versions
IT8922855A1 (it
IT8922855A0 (it
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8922855A0 publication Critical patent/IT8922855A0/it
Publication of IT8922855A1 publication Critical patent/IT8922855A1/it
Application granted granted Critical
Publication of IT1236984B publication Critical patent/IT1236984B/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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Lasers (AREA)
IT02285589A 1988-12-29 1989-12-22 Fila di elementi aerodinamici smorzati per turbomotore a gas IT1236984B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/291,835 US4986737A (en) 1988-12-29 1988-12-29 Damped gas turbine engine airfoil row

Publications (3)

Publication Number Publication Date
IT8922855A0 IT8922855A0 (it) 1989-12-22
IT8922855A1 IT8922855A1 (it) 1991-06-22
IT1236984B true IT1236984B (it) 1993-05-12

Family

ID=23122050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02285589A IT1236984B (it) 1988-12-29 1989-12-22 Fila di elementi aerodinamici smorzati per turbomotore a gas

Country Status (7)

Country Link
US (1) US4986737A (it)
JP (1) JPH02238102A (it)
CA (1) CA1312828C (it)
DE (1) DE3942785A1 (it)
FR (1) FR2641323A1 (it)
GB (1) GB2227192A (it)
IT (1) IT1236984B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4015206C1 (it) * 1990-05-11 1991-10-17 Mtu Muenchen Gmbh
DE4302633A1 (de) * 1993-01-30 1994-08-04 Abb Patent Gmbh Verfahren zur Herstellung einer Teilfuge im Turbinenbau
US6827350B2 (en) * 2002-10-30 2004-12-07 General Electric Company Hybrid honeycomb and brush seal for steam gland
DE10259963B4 (de) * 2002-12-20 2010-04-01 Mtu Aero Engines Gmbh Wabendichtung
US7572098B1 (en) 2006-10-10 2009-08-11 Johnson Gabriel L Vane ring with a damper
DE102007009134A1 (de) * 2007-02-24 2008-08-28 Mtu Aero Engines Gmbh Verdichter einer Gasturbine
US7837437B2 (en) * 2007-03-07 2010-11-23 General Electric Company Turbine nozzle segment and repair method
US20090014964A1 (en) * 2007-07-09 2009-01-15 Siemens Power Generation, Inc. Angled honeycomb seal between turbine rotors and turbine stators in a turbine engine
FR2925107B1 (fr) 2007-12-14 2010-01-22 Snecma Distributeur sectorise pour une turbomachine
US20090202344A1 (en) * 2008-02-13 2009-08-13 General Electric Company Rotating assembly for a turbomachine
FR2971022B1 (fr) * 2011-02-02 2013-01-04 Snecma Etage redresseur de compresseur pour une turbomachine
FR2993002B1 (fr) * 2012-07-09 2016-03-18 Snecma Distributeur comprenant des moyens de maintien, et turbomachine
EP2971577B1 (en) * 2013-03-13 2018-08-29 Rolls-Royce Corporation Turbine shroud
US10190434B2 (en) * 2014-10-29 2019-01-29 Rolls-Royce North American Technologies Inc. Turbine shroud with locating inserts
US10934875B2 (en) * 2015-04-15 2021-03-02 Raytheon Technologies Corporation Seal configuration to prevent rotor lock
DE102016119681A1 (de) * 2016-10-14 2018-04-19 Abb Turbo Systems Ag Integral gegossene Strömungsmaschinenanordung und Verfahren zum Herstellen einer Strömungsmaschinenanordnung
US10294801B2 (en) * 2017-07-25 2019-05-21 United Technologies Corporation Rotor blade having anti-wear surface
US10746047B2 (en) * 2017-10-27 2020-08-18 General Electric Company Structure for mitigating vibratory modes of counter-rotating engine rotors
US10822973B2 (en) * 2017-11-28 2020-11-03 General Electric Company Shroud for a gas turbine engine
IT201900014739A1 (it) 2019-08-13 2021-02-13 Ge Avio Srl Elementi di trattenimento delle pale per turbomacchine.
IT201900014736A1 (it) * 2019-08-13 2021-02-13 Ge Avio Srl Elementi di tenuta integrali per pale trattenute in un rotore a tamburo esterno anulare girevole in una turbomacchina.
IT201900014724A1 (it) 2019-08-13 2021-02-13 Ge Avio Srl Elementi di trattenimento delle pale per turbomacchine.
US11428160B2 (en) 2020-12-31 2022-08-30 General Electric Company Gas turbine engine with interdigitated turbine and gear assembly

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1378464A (en) * 1920-10-29 1921-05-17 Gen Electric Elastic-fluid turbine
US1554614A (en) * 1922-09-13 1925-09-22 Westinghouse Electric & Mfg Co Turbine blading
US2310412A (en) * 1941-03-08 1943-02-09 Westinghouse Electric & Mfg Co Vibration dampener
US2610823A (en) * 1947-02-11 1952-09-16 Gen Electric Turbine bucket damping arrangement
GB670665A (en) * 1949-07-28 1952-04-23 Rolls Royce Improvements in or relating to compressors and turbines
DE1159965B (de) * 1961-08-10 1963-12-27 Bbc Brown Boveri & Cie Einrichtung zur Schwingungsdaempfung an einem Turbinen- oder Verdichter-Schaufelkranz
FR1374917A (fr) * 1963-11-21 1964-10-09 Ass Elect Ind Perfectionnements aux déflecteurs d'étanchéité des aubes mobiles de turbines et de compresseurs à écoulement axial
US3326523A (en) * 1965-12-06 1967-06-20 Gen Electric Stator vane assembly having composite sectors
US3649133A (en) * 1970-09-10 1972-03-14 Westinghouse Electric Corp Rotor blade coupler arrangement
GB1366075A (en) * 1970-09-16 1974-09-11 Secr Defence Bladed fluid flow machines
US3752599A (en) * 1971-03-29 1973-08-14 Gen Electric Bucket vibration damping device
US3728041A (en) * 1971-10-04 1973-04-17 Gen Electric Fluidic seal for segmented nozzle diaphragm
FR2330276A5 (fr) * 1973-12-05 1977-05-27 United Aircraft Corp Amortisseur pour aubes de turbine
US3936230A (en) * 1974-05-09 1976-02-03 The United States Of America As Represented By The Secretary Of The Air Force Self-supported, self-locating seal for turbine engines
US3897171A (en) * 1974-06-25 1975-07-29 Westinghouse Electric Corp Ceramic turbine rotor disc and blade configuration
GB1509185A (en) * 1975-08-04 1978-05-04 Reyrolle Parsons Ltd Fluid driven turbo machines
GB1549152A (en) * 1977-01-11 1979-08-01 Rolls Royce Rotor stage for a gas trubine engine
FR2406074A1 (fr) * 1977-10-11 1979-05-11 Snecma Dispositif de securite pour machine tournante axiale
SU720176A1 (ru) * 1978-07-27 1980-03-05 Предприятие П/Я В-2504 Рабочее колесо турбомашины
SU787689A1 (ru) * 1979-01-09 1980-12-15 Предприятие П/Я В-2285 Рабочее колесо осевой турбомашины
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
US4355957A (en) * 1981-06-18 1982-10-26 United Technologies Corporation Blade damper
DE3211073A1 (de) * 1982-03-25 1983-10-06 Kraftwerk Union Ag Einrichtung zur schwingungsdaempfung an einem leitschaufelkranz
JPS58176402A (ja) * 1982-04-10 1983-10-15 Toshiba Corp タ−ビン動翼の制振装置
JPS5943902A (ja) * 1982-09-06 1984-03-12 Mitsubishi Heavy Ind Ltd 翼付根付近にクラツクを有する翼構造
US4536932A (en) * 1982-11-22 1985-08-27 United Technologies Corporation Method for eliminating low cycle fatigue cracking in integrally bladed disks
US4621976A (en) * 1985-04-23 1986-11-11 United Technologies Corporation Integrally cast vane and shroud stator with damper
US4655682A (en) * 1985-09-30 1987-04-07 United Technologies Corporation Compressor stator assembly having a composite inner diameter shroud
US4721434A (en) * 1986-12-03 1988-01-26 United Technologies Corporation Damping means for a stator

Also Published As

Publication number Publication date
GB8928735D0 (en) 1990-02-28
GB2227192A (en) 1990-07-25
FR2641323A1 (fr) 1990-07-06
IT8922855A1 (it) 1991-06-22
JPH02238102A (ja) 1990-09-20
CA1312828C (en) 1993-01-19
US4986737A (en) 1991-01-22
IT8922855A0 (it) 1989-12-22
DE3942785A1 (de) 1990-07-05

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Legal Events

Date Code Title Description
0001 Granted