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BR7503391A - GAS TURBINE IMPROVEMENT - Google Patents

GAS TURBINE IMPROVEMENT

Info

Publication number
BR7503391A
BR7503391A BR4336/75D BR7504336D BR7503391A BR 7503391 A BR7503391 A BR 7503391A BR 4336/75 D BR4336/75 D BR 4336/75D BR 7504336 D BR7504336 D BR 7504336D BR 7503391 A BR7503391 A BR 7503391A
Authority
BR
Brazil
Prior art keywords
gas turbine
improvement
turbine improvement
gas
turbine
Prior art date
Application number
BR4336/75D
Other languages
Portuguese (pt)
Inventor
J Hess
J Kozsin
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of BR7503391A publication Critical patent/BR7503391A/en

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
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
    • 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)
BR4336/75D 1974-05-30 1975-06-28 GAS TURBINE IMPROVEMENT BR7503391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US474756A US3887298A (en) 1974-05-30 1974-05-30 Apparatus for sealing turbine blade damper cavities

Publications (1)

Publication Number Publication Date
BR7503391A true BR7503391A (en) 1976-04-27

Family

ID=23884811

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4336/75D BR7503391A (en) 1974-05-30 1975-06-28 GAS TURBINE IMPROVEMENT

Country Status (8)

Country Link
US (1) US3887298A (en)
JP (1) JPS5113012A (en)
BR (1) BR7503391A (en)
CA (1) CA1013676A (en)
FR (1) FR2273163A1 (en)
GB (1) GB1506047A (en)
IL (1) IL47321A (en)
SE (1) SE7505935L (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957393A (en) * 1974-10-29 1976-05-18 United Technologies Corporation Turbine disk and sideplate construction
GB1512882A (en) * 1976-02-11 1978-06-01 Rolls Royce Bladed rotor assembly for a gas turbine engine
US4088421A (en) * 1976-09-30 1978-05-09 General Electric Company Coverplate damping arrangement
US4101245A (en) * 1976-12-27 1978-07-18 United Technologies Corporation Interblade damper and seal for turbomachinery rotor
GB2043796B (en) * 1979-03-10 1983-04-20 Rolls Royce Bladed rotor for gas turbine engine
US4473337A (en) * 1982-03-12 1984-09-25 United Technologies Corporation Blade damper seal
FR2523208A1 (en) * 1982-03-12 1983-09-16 Snecma DEVICE FOR DAMPING MOBILE TURBINE BLADE VIBRATIONS
US4480957A (en) * 1983-04-14 1984-11-06 General Electric Company Dynamic response modification and stress reduction in dovetail and blade assembly
US4568247A (en) * 1984-03-29 1986-02-04 United Technologies Corporation Balanced blade vibration damper
US4659285A (en) * 1984-07-23 1987-04-21 United Technologies Corporation Turbine cover-seal assembly
FR2585069B1 (en) * 1985-07-16 1989-06-09 Snecma DEVICE FOR LIMITING THE ANGULAR DEFLECTION OF BLADES MOUNTED ON A TURBOMACHINE ROTOR DISC
FR2586061B1 (en) * 1985-08-08 1989-06-09 Snecma MULTIFUNCTIONAL LABYRINTH DISC FOR TURBOMACHINE ROTOR
US4743164A (en) * 1986-12-29 1988-05-10 United Technologies Corporation Interblade seal for turbomachine rotor
US4872810A (en) * 1988-12-14 1989-10-10 United Technologies Corporation Turbine rotor retention system
GB2228541B (en) * 1989-02-23 1993-04-14 Rolls Royce Plc Device for damping vibrations in turbomachinery blades
US5201849A (en) * 1990-12-10 1993-04-13 General Electric Company Turbine rotor seal body
US5226784A (en) * 1991-02-11 1993-07-13 General Electric Company Blade damper
US5339619A (en) * 1992-08-31 1994-08-23 United Technologies Corporation Active cooling of turbine rotor assembly
US5281097A (en) * 1992-11-20 1994-01-25 General Electric Company Thermal control damper for turbine rotors
US5313786A (en) * 1992-11-24 1994-05-24 United Technologies Corporation Gas turbine blade damper
US5228835A (en) * 1992-11-24 1993-07-20 United Technologies Corporation Gas turbine blade seal
US5284421A (en) * 1992-11-24 1994-02-08 United Technologies Corporation Rotor blade with platform support and damper positioning means
US5388962A (en) * 1993-10-15 1995-02-14 General Electric Company Turbine rotor disk post cooling system
FR2726323B1 (en) * 1994-10-26 1996-12-13 Snecma ASSEMBLY OF A ROTARY DISC AND BLADES, ESPECIALLY USED IN A TURBOMACHINE
US5513955A (en) * 1994-12-14 1996-05-07 United Technologies Corporation Turbine engine rotor blade platform seal
US5573375A (en) * 1994-12-14 1996-11-12 United Technologies Corporation Turbine engine rotor blade platform sealing and vibration damping device
US5827047A (en) * 1996-06-27 1998-10-27 United Technologies Corporation Turbine blade damper and seal
US5785499A (en) * 1996-12-24 1998-07-28 United Technologies Corporation Turbine blade damper and seal
US5924699A (en) * 1996-12-24 1999-07-20 United Technologies Corporation Turbine blade platform seal
US6139277A (en) * 1998-12-22 2000-10-31 Air Concepts, Inc. Motorized fan
US6273683B1 (en) 1999-02-05 2001-08-14 Siemens Westinghouse Power Corporation Turbine blade platform seal
US6932575B2 (en) * 2003-10-08 2005-08-23 United Technologies Corporation Blade damper
US7484936B2 (en) * 2005-09-26 2009-02-03 Pratt & Whitney Canada Corp. Blades for a gas turbine engine with integrated sealing plate and method
US7762780B2 (en) * 2007-01-25 2010-07-27 Siemens Energy, Inc. Blade assembly in a combustion turbo-machine providing reduced concentration of mechanical stress and a seal between adjacent assemblies
US8128371B2 (en) 2007-02-15 2012-03-06 General Electric Company Method and apparatus to facilitate increasing turbine rotor efficiency
FR2923557B1 (en) * 2007-11-12 2010-01-22 Snecma BLOWER DRAWER ASSEMBLY AND ITS SHOCK ABSORBER, BLOWER DAMPER AND METHOD FOR CALIBRATING THE SHOCK ABSORBER
US20110262277A1 (en) * 2008-12-18 2011-10-27 Volvo Aero Corporation Gas turbine composite workpiece to be used in gas turbine engine
DE102009011879A1 (en) * 2009-03-05 2010-09-16 Mtu Aero Engines Gmbh Integrally bladed rotor and method of making an integrally bladed rotor
GB2491121B (en) * 2011-05-23 2014-10-01 Rolls Royce Plc Balancing of rotatable components
US10287897B2 (en) * 2011-09-08 2019-05-14 General Electric Company Turbine rotor blade assembly and method of assembling same
US9366142B2 (en) * 2011-10-28 2016-06-14 General Electric Company Thermal plug for turbine bucket shank cavity and related method
US9279332B2 (en) * 2012-05-31 2016-03-08 Solar Turbines Incorporated Turbine damper
US9650901B2 (en) * 2012-05-31 2017-05-16 Solar Turbines Incorporated Turbine damper
BR112015000081A2 (en) 2012-06-30 2017-06-27 Gen Electric turbine blade sealing structure.
EP3044420B1 (en) 2013-09-11 2024-07-03 General Electric Company Ply architecture for integral platform and damper retaining features in cmc turbine blades
EP2848770B1 (en) * 2013-09-17 2017-03-29 MTU Aero Engines GmbH Impeller blade of an axial turbo-machine and damping element
EP2873807A1 (en) 2013-11-18 2015-05-20 Siemens Aktiengesellschaft Cover plate, rotor blade, wheel disc, bolt and gas turbine
US10767504B2 (en) 2016-01-12 2020-09-08 Siemens Aktiengesellschaft Flexible damper for turbine blades
EP3239461B1 (en) * 2016-04-27 2021-09-08 MTU Aero Engines AG Turbo machine blade assembly
US10941671B2 (en) * 2017-03-23 2021-03-09 General Electric Company Gas turbine engine component incorporating a seal slot
EP3724453B1 (en) * 2017-12-12 2025-11-12 Safran Helicopter Engines Vibration damper for a turbomachine rotor vane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779059A (en) * 1954-07-15 1957-07-17 Rolls Royce Improvements in or relating to axial-flow fluid machines, for example compressors orturbines of gas-turbine engines
GB802476A (en) * 1955-09-29 1958-10-08 Rolls Royce Improvements in or relating to rotors of axial-flow fluid machines for example compressors and turbines
US3112915A (en) * 1961-12-22 1963-12-03 Gen Electric Rotor assembly air baffle
US3181835A (en) * 1964-01-07 1965-05-04 Carroll C Davis Blade vibration damping device
CH494896A (en) * 1968-08-09 1970-08-15 Sulzer Ag Mounting of rotor blades in the rotor of a turbomachine
BE791375A (en) * 1971-12-02 1973-03-01 Gen Electric DEFLECTOR AND SHOCK ABSORBER FOR TURBOMACHINE FINS

Also Published As

Publication number Publication date
JPS5113012A (en) 1976-02-02
CA1013676A (en) 1977-07-12
US3887298A (en) 1975-06-03
SE7505935L (en) 1975-12-01
IL47321A0 (en) 1975-07-28
GB1506047A (en) 1978-04-05
FR2273163A1 (en) 1975-12-26
IL47321A (en) 1977-07-31

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