DE68900646D1 - Schaufelplatte einer turbine. - Google Patents

Schaufelplatte einer turbine.

Info

Publication number
DE68900646D1
DE68900646D1 DE8989403217T DE68900646T DE68900646D1 DE 68900646 D1 DE68900646 D1 DE 68900646D1 DE 8989403217 T DE8989403217 T DE 8989403217T DE 68900646 T DE68900646 T DE 68900646T DE 68900646 D1 DE68900646 D1 DE 68900646D1
Authority
DE
Germany
Prior art keywords
turbine
blade
Prior art date
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.)
Expired - Lifetime
Application number
DE8989403217T
Other languages
English (en)
Inventor
Marie Marlin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE68900646D1 publication Critical patent/DE68900646D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE8989403217T 1988-11-23 1989-11-22 Schaufelplatte einer turbine. Expired - Lifetime DE68900646D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8815234A FR2639402B1 (fr) 1988-11-23 1988-11-23 Disque ailete de rotor de turbomachine

Publications (1)

Publication Number Publication Date
DE68900646D1 true DE68900646D1 (de) 1992-02-13

Family

ID=9372135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989403217T Expired - Lifetime DE68900646D1 (de) 1988-11-23 1989-11-22 Schaufelplatte einer turbine.

Country Status (4)

Country Link
US (1) US5049035A (de)
EP (1) EP0370899B1 (de)
DE (1) DE68900646D1 (de)
FR (1) FR2639402B1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669686B1 (fr) * 1990-11-28 1994-09-02 Snecma Rotor de soufflante avec aubes sans plates-formes et sabots reconstituant le profil de veine.
US5151013A (en) * 1990-12-27 1992-09-29 United Technologies Corporation Blade lock for a rotor disk and rotor blade assembly
FR2679296B1 (fr) * 1991-07-17 1993-10-15 Snecma Plate-forme separee inter-aube pour disque ailete de rotor de turbomachine.
US5277548A (en) * 1991-12-31 1994-01-11 United Technologies Corporation Non-integral rotor blade platform
GB9208409D0 (en) * 1992-04-16 1992-06-03 Rolls Royce Plc Rotors for gas turbine engines
GB9209895D0 (en) * 1992-05-07 1992-06-24 Rolls Royce Plc Rotors for gas turbine engines
US5232346A (en) * 1992-08-11 1993-08-03 General Electric Company Rotor assembly and platform spacer therefor
US5281096A (en) * 1992-09-10 1994-01-25 General Electric Company Fan assembly having lightweight platforms
FR2706528B1 (fr) * 1993-06-10 1995-09-01 Snecma Plate-forme séparée inter-aube de disque ailette de rotor de turbomachine.
US6217283B1 (en) * 1999-04-20 2001-04-17 General Electric Company Composite fan platform
US6435820B1 (en) * 1999-08-25 2002-08-20 General Electric Company Shroud assembly having C-clip retainer
US6447250B1 (en) * 2000-11-27 2002-09-10 General Electric Company Non-integral fan platform
US6520742B1 (en) * 2000-11-27 2003-02-18 General Electric Company Circular arc multi-bore fan disk
GB0614640D0 (en) * 2006-07-22 2006-08-30 Rolls Royce Plc An annulus filler seal
US8568102B2 (en) * 2009-02-18 2013-10-29 Pratt & Whitney Canada Corp. Fan blade anti-fretting insert
US8616849B2 (en) * 2009-02-18 2013-12-31 Pratt & Whitney Canada Corp. Fan blade platform
FR2960589B1 (fr) * 2010-05-28 2014-05-02 Snecma Roue a aubes pour une turbomachine, telle qu'un turboreacteur ou un turbopropulseur d'avion
FR2963383B1 (fr) * 2010-07-27 2016-09-09 Snecma Aube de turbomachine, rotor, turbine basse pression et turbomachine equipes d'une telle aube
FR2965843B1 (fr) * 2010-10-06 2012-11-09 Snecma Rotor pour turbomachine
FR2973434A1 (fr) * 2011-03-30 2012-10-05 Snecma Distributeur de turbine en cmc adapte au support d'un carter interne de turbine metallique par un contact radial
FR2974864B1 (fr) * 2011-05-04 2016-05-27 Snecma Rotor de turbomachine avec moyen de retenue axiale des aubes
FR2974863B1 (fr) * 2011-05-06 2015-10-23 Snecma Disque de soufflante de turbomachine
US8777576B2 (en) * 2011-08-22 2014-07-15 General Electric Company Metallic fan blade platform
FR2982635B1 (fr) * 2011-11-15 2013-11-15 Snecma Roue a aubes pour une turbomachine
US20160053636A1 (en) * 2013-03-15 2016-02-25 United Technologies Corporation Injection Molded Composite Fan Platform
US9845699B2 (en) * 2013-03-15 2017-12-19 Gkn Aerospace Services Structures Corp. Fan spacer having unitary over molded feature
FR3010442B1 (fr) * 2013-09-09 2015-10-09 Snecma Disque aubage monobloc a contraintes reduites en pied d'aube, de preference pour soufflante de turbomachine d'aeronef
FR3022944B1 (fr) * 2014-06-26 2020-02-14 Safran Aircraft Engines Ensemble rotatif pour turbomachine
US10024234B2 (en) * 2014-09-08 2018-07-17 Rolls-Royce Deutschland Ltd & Co Kg Panels of a fan of a gas turbine
FR3035678B1 (fr) * 2015-04-29 2017-05-12 Snecma Aube munie de plateformes possedant une jambe de retenue
FR3038653B1 (fr) * 2015-07-08 2017-08-04 Snecma Assemblage d'une plateforme rapportee d'aube de soufflante sur un disque de soufflante
US9976426B2 (en) * 2015-07-21 2018-05-22 United Technologies Corporation Fan platform with stiffening feature
US10584592B2 (en) * 2015-11-23 2020-03-10 United Technologies Corporation Platform for an airfoil having bowed sidewalls
US10215046B2 (en) * 2015-11-23 2019-02-26 United Technologies Corporation Airfoil platform having dual pin apertures and a vertical stiffener
FR3073907B1 (fr) * 2017-11-17 2020-12-11 Safran Aircraft Engines Organe de retention pour plateforme de turbomachine
US12012857B2 (en) * 2022-10-14 2024-06-18 Rtx Corporation Platform for an airfoil of a gas turbine engine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873088A (en) * 1953-05-21 1959-02-10 Gen Electric Lightweight rotor construction
BE540433A (de) * 1954-08-12
BE562857A (de) * 1956-11-30
US3294364A (en) * 1962-01-02 1966-12-27 Gen Electric Rotor assembly
GB1093568A (en) * 1965-11-23 1967-12-06 Rolls Royce Improvements in or relating to bladed rotors such as compressor rotors
GB1232506A (de) * 1969-10-28 1971-05-19
GB1318654A (en) * 1970-12-05 1973-05-31 Secr Defence Bladed rotors
US3888601A (en) * 1974-05-23 1975-06-10 Gen Electric Turbomachine with balancing means
US4033705A (en) * 1976-04-26 1977-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Blade retainer assembly
GB2006883B (en) * 1977-10-27 1982-02-24 Rolls Royce Fan or compressor stage for a gas turbine engine
US4171930A (en) * 1977-12-28 1979-10-23 General Electric Company U-clip for boltless blade retainer
GB2171151B (en) * 1985-02-20 1988-05-18 Rolls Royce Rotors for gas turbine engines

Also Published As

Publication number Publication date
FR2639402A1 (fr) 1990-05-25
FR2639402B1 (fr) 1990-12-28
US5049035A (en) 1991-09-17
EP0370899B1 (de) 1992-01-02
EP0370899A1 (de) 1990-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee