IT946577B - Struttura per il fissaggio di palette di turbomotori a ga - Google Patents

Struttura per il fissaggio di palette di turbomotori a ga

Info

Publication number
IT946577B
IT946577B IT19368/72A IT1936872A IT946577B IT 946577 B IT946577 B IT 946577B IT 19368/72 A IT19368/72 A IT 19368/72A IT 1936872 A IT1936872 A IT 1936872A IT 946577 B IT946577 B IT 946577B
Authority
IT
Italy
Prior art keywords
turbomotors
fixing vanes
vanes
fixing
Prior art date
Application number
IT19368/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT946577B publication Critical patent/IT946577B/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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • 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
    • F01D5/12—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
    • 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
    • F01D5/24—Blade-to-blade connections, e.g. for damping vibrations using wire or the like
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT19368/72A 1971-04-19 1972-01-14 Struttura per il fissaggio di palette di turbomotori a ga IT946577B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13531071A 1971-04-19 1971-04-19

Publications (1)

Publication Number Publication Date
IT946577B true IT946577B (it) 1973-05-21

Family

ID=22467508

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19368/72A IT946577B (it) 1971-04-19 1972-01-14 Struttura per il fissaggio di palette di turbomotori a ga

Country Status (7)

Country Link
US (1) US3689177A (it)
BE (1) BE778125A (it)
CA (1) CA941746A (it)
DE (1) DE2201383A1 (it)
FR (1) FR2135943A5 (it)
GB (1) GB1369513A (it)
IT (1) IT946577B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047840A (en) * 1975-05-29 1977-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Impact absorbing blade mounts for variable pitch blades
US4021138A (en) * 1975-11-03 1977-05-03 Westinghouse Electric Corporation Rotor disk, blade, and seal plate assembly for cooled turbine rotor blades
DE2620762C2 (de) * 1976-05-11 1977-11-17 Motoren- und Turbinen-Union München GmbH, 8000 München Spaltdichtung für Strömungsmaschinen, insbesondere Gasturbinenstrahltriebwerke
US4221542A (en) * 1977-12-27 1980-09-09 General Electric Company Segmented blade retainer
US4344740A (en) * 1979-09-28 1982-08-17 United Technologies Corporation Rotor assembly
FR2523208A1 (fr) * 1982-03-12 1983-09-16 Snecma Dispositif d'amortissement des vibrations d'aubes mobiles de turbine
US4480957A (en) * 1983-04-14 1984-11-06 General Electric Company Dynamic response modification and stress reduction in dovetail and blade assembly
US4523890A (en) * 1983-10-19 1985-06-18 General Motors Corporation End seal for turbine blade base
US4743166A (en) * 1984-12-20 1988-05-10 General Electric Company Blade root seal
US4737076A (en) * 1986-10-20 1988-04-12 United Technologies Corporation Means for maintaining concentricity of rotating components
US4872812A (en) * 1987-08-05 1989-10-10 General Electric Company Turbine blade plateform sealing and vibration damping apparatus
US4836750A (en) * 1988-06-15 1989-06-06 Pratt & Whitney Canada Inc. Rotor assembly
US5478207A (en) * 1994-09-19 1995-12-26 General Electric Company Stable blade vibration damper for gas turbine engine
US6250883B1 (en) 1999-04-13 2001-06-26 Alliedsignal Inc. Integral ceramic blisk assembly
US7153102B2 (en) * 2004-05-14 2006-12-26 Pratt & Whitney Canada Corp. Bladed disk fixing undercut
US7510380B2 (en) * 2004-07-13 2009-03-31 Honeywell International Inc. Non-parallel spacer for improved rotor group balance
JP4591047B2 (ja) * 2004-11-12 2010-12-01 株式会社日立製作所 タービンロータ及びガスタービン
GB2422176A (en) * 2005-01-18 2006-07-19 Rolls Royce Plc Retaining components/blades on a rotor
DE102008008887A1 (de) * 2008-02-13 2009-08-27 Man Turbo Ag Mehrteiliger beschaufelter Rotor für eine Strömungsmaschine
FR2931871B1 (fr) * 2008-05-29 2011-08-19 Snecma Rotor de soufflante pour une turbomachine.
FR2960021B1 (fr) * 2010-05-12 2014-04-25 Snecma Roue mobile de turbomachine munie d'un jonc d'amortissement des vibrations
US9476310B2 (en) * 2012-10-18 2016-10-25 General Electric Company Systems and methods to axially retain blades
US20160186592A1 (en) * 2014-12-31 2016-06-30 General Electric Company Flowpath boundary and rotor assemblies in gas turbines
US10233763B2 (en) 2015-09-09 2019-03-19 United Technologies Corporation Seal assembly for turbine engine component
US10718220B2 (en) * 2015-10-26 2020-07-21 Rolls-Royce Corporation System and method to retain a turbine cover plate with a spanner nut
GB201612288D0 (en) * 2016-07-15 2016-08-31 Rolls-Royce Ltd A rotor assembly for a turbomachine and a method of manufacturing the same
US10975714B2 (en) * 2018-11-22 2021-04-13 Pratt & Whitney Canada Corp. Rotor assembly with blade sealing tab
GB202001689D0 (en) * 2020-02-07 2020-03-25 Rolls Royce Plc Rotor assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356605A (en) * 1940-01-08 1944-08-22 Meininghaus Ulrich Turbine rotor
GB612097A (en) * 1946-10-09 1948-11-08 English Electric Co Ltd Improvements in and relating to the cooling of gas turbine rotors
CH284188A (de) * 1948-10-01 1952-07-15 Maschf Augsburg Nuernberg Ag Stahlläufer mit keramischen Schaufeln für Turbinen.
DE950100C (de) * 1955-04-10 1956-10-04 Maschf Augsburg Nuernberg Ag Zusammengesetzter Trommellaeufer fuer Kreiselmaschinen, insbesondere fuer Gasturbinen mit axialer Durchstroemrichtung
US3356339A (en) * 1966-12-12 1967-12-05 Gen Motors Corp Turbine rotor

Also Published As

Publication number Publication date
US3689177A (en) 1972-09-05
DE2201383A1 (de) 1972-10-26
GB1369513A (en) 1974-10-09
BE778125A (fr) 1972-05-16
CA941746A (en) 1974-02-12
FR2135943A5 (it) 1972-12-22

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