DE69000050D1 - Laufschaufel einer turbomaschine mit kompensation des einspannmoments am fuss. - Google Patents

Laufschaufel einer turbomaschine mit kompensation des einspannmoments am fuss.

Info

Publication number
DE69000050D1
DE69000050D1 DE9090400501T DE69000050T DE69000050D1 DE 69000050 D1 DE69000050 D1 DE 69000050D1 DE 9090400501 T DE9090400501 T DE 9090400501T DE 69000050 T DE69000050 T DE 69000050T DE 69000050 D1 DE69000050 D1 DE 69000050D1
Authority
DE
Germany
Prior art keywords
compensation
foot
blade
turbo machine
clamping torque
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
DE9090400501T
Other languages
English (en)
Inventor
Christian Odoul
Marc Gilles France Paty
Jean-Pierre Roger Serey
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 DE69000050D1 publication Critical patent/DE69000050D1/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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE9090400501T 1989-03-01 1990-02-23 Laufschaufel einer turbomaschine mit kompensation des einspannmoments am fuss. Expired - Lifetime DE69000050D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8902639A FR2643940B1 (fr) 1989-03-01 1989-03-01 Aube mobile de turbomachine a moment de pied compense

Publications (1)

Publication Number Publication Date
DE69000050D1 true DE69000050D1 (de) 1992-05-07

Family

ID=9379241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9090400501T Expired - Lifetime DE69000050D1 (de) 1989-03-01 1990-02-23 Laufschaufel einer turbomaschine mit kompensation des einspannmoments am fuss.

Country Status (4)

Country Link
US (1) US5044885A (de)
EP (1) EP0385833B1 (de)
DE (1) DE69000050D1 (de)
FR (1) FR2643940B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2665005B2 (ja) * 1989-10-24 1997-10-22 三菱重工業株式会社 軸流機械の動翼
US5203676A (en) * 1992-03-05 1993-04-20 Westinghouse Electric Corp. Ruggedized tapered twisted integral shroud blade
WO1994012390A2 (en) * 1992-11-24 1994-06-09 United Technologies Corporation Coolable rotor blade structure
DE19823555A1 (de) * 1998-05-27 1999-12-02 Claas Saulgau Gmbh Heuwerbungsmaschine
US6299412B1 (en) * 1999-12-06 2001-10-09 General Electric Company Bowed compressor airfoil
US6331100B1 (en) * 1999-12-06 2001-12-18 General Electric Company Doubled bowed compressor airfoil
EP1564374A1 (de) * 2004-02-12 2005-08-17 Siemens Aktiengesellschaft Schaufelblatt für eine Strömungsmaschine
US7204676B2 (en) * 2004-05-14 2007-04-17 Pratt & Whitney Canada Corp. Fan blade curvature distribution for high core pressure ratio fan
US8356975B2 (en) * 2010-03-23 2013-01-22 United Technologies Corporation Gas turbine engine with non-axisymmetric surface contoured vane platform
US9976433B2 (en) 2010-04-02 2018-05-22 United Technologies Corporation Gas turbine engine with non-axisymmetric surface contoured rotor blade platform
GB2483061A (en) * 2010-08-23 2012-02-29 Rolls Royce Plc A method of damping aerofoil structure vibrations
FR2967202B1 (fr) * 2010-11-10 2013-01-11 Snecma Procede d'optimisation du profil d'une aube en materiau composite pour roue mobile de turbomachine
US9920625B2 (en) 2011-01-13 2018-03-20 Siemens Energy, Inc. Turbine blade with laterally biased airfoil and platform centers of mass
ITUB20152313A1 (it) 2015-07-20 2017-01-20 Nuovo Pignone Tecnologie Srl Girante senza contro-disco per turbomacchina a rigidita migliorata
WO2020028010A1 (en) 2018-08-02 2020-02-06 Horton, Inc. Low solidity vehicle cooling fan

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3128939A (en) * 1964-04-14 Szydlowski
US1127143A (en) * 1908-08-01 1915-02-02 Wiedling Mfg Company Propeller.
US1027201A (en) * 1911-07-08 1912-05-21 Willibald Grun Turbine-blade.
US1541657A (en) * 1924-05-24 1925-06-09 Parsons Turbine blading
US2282077A (en) * 1940-02-03 1942-05-05 Hamilton K Moore Changeable pitch propeller unit
GB610786A (en) * 1943-02-13 1948-10-20 Centre Nat Rech Scient Steam turbines
US2391623A (en) * 1943-12-08 1945-12-25 Armstrong Siddeley Motors Ltd Bladed rotor
GB609322A (en) * 1945-11-07 1948-09-29 Power Jets Res & Dev Ltd Improvements relating to axial-flow compressors and like machines, and blading thereof
US2663493A (en) * 1949-04-26 1953-12-22 A V Roe Canada Ltd Blading for compressors, turbines, and the like
US2915238A (en) * 1953-10-23 1959-12-01 Szydlowski Joseph Axial flow compressors
DE2144600A1 (de) * 1971-09-07 1973-03-15 Maschf Augsburg Nuernberg Ag Verwundene und verjuengte laufschaufel fuer axiale turbomaschinen
CH541065A (de) * 1972-01-20 1973-08-31 Bbc Brown Boveri & Cie Verdrillte Laufschaufel einer axial durchströmten Turbomaschine
GB1419381A (en) * 1972-03-09 1975-12-31 Rolls Royce Fan for gas turbine engines
US3989406A (en) * 1974-11-26 1976-11-02 Bolt Beranek And Newman, Inc. Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like
US4012172A (en) * 1975-09-10 1977-03-15 Avco Corporation Low noise blades for axial flow compressors
FR2505399A1 (fr) * 1981-05-05 1982-11-12 Alsthom Atlantique Aubage directeur pour veines divergentes de turbine a vapeur
US4460315A (en) * 1981-06-29 1984-07-17 General Electric Company Turbomachine rotor assembly
US4451205A (en) * 1982-02-22 1984-05-29 United Technologies Corporation Rotor blade assembly
US4682935A (en) * 1983-12-12 1987-07-28 General Electric Company Bowed turbine blade
US4585395A (en) * 1983-12-12 1986-04-29 General Electric Company Gas turbine engine blade
FR2556409B1 (fr) * 1983-12-12 1991-07-12 Gen Electric Aube perfectionnee pour moteur a turbine a gaz et procede de fabrication
US4638602A (en) * 1986-01-03 1987-01-27 Cavalieri Dominic A Turbine blade holding device
FR2603953B1 (fr) * 1986-09-12 1991-02-22 Peugeot Aciers Et Outillage Pale profilee d'helice et son application aux motoventilateurs

Also Published As

Publication number Publication date
US5044885A (en) 1991-09-03
EP0385833A1 (de) 1990-09-05
EP0385833B1 (de) 1992-04-01
FR2643940A1 (fr) 1990-09-07
FR2643940B1 (fr) 1991-05-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SNECMA MOTEURS, PARIS, FR

8339 Ceased/non-payment of the annual fee