FR2712631B1 - Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette. - Google Patents

Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette.

Info

Publication number
FR2712631B1
FR2712631B1 FR9413519A FR9413519A FR2712631B1 FR 2712631 B1 FR2712631 B1 FR 2712631B1 FR 9413519 A FR9413519 A FR 9413519A FR 9413519 A FR9413519 A FR 9413519A FR 2712631 B1 FR2712631 B1 FR 2712631B1
Authority
FR
France
Prior art keywords
fin
rotor
assembly
disc
rotor disc
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 - Fee Related
Application number
FR9413519A
Other languages
English (en)
Other versions
FR2712631A1 (fr
Inventor
Nicholas Joseph Kray
Andrew John Lammas
Richard James Fallon
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2712631A1 publication Critical patent/FR2712631A1/fr
Application granted granted Critical
Publication of FR2712631B1 publication Critical patent/FR2712631B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D5/30—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)
FR9413519A 1993-11-19 1994-11-10 Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette. Expired - Fee Related FR2712631B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15396793 1993-11-19

Publications (2)

Publication Number Publication Date
FR2712631A1 FR2712631A1 (fr) 1995-05-24
FR2712631B1 true FR2712631B1 (fr) 1998-08-21

Family

ID=22549468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9413519A Expired - Fee Related FR2712631B1 (fr) 1993-11-19 1994-11-10 Ailette de rotor et ensemble ailettes-disque de rotor comportant une telle ailette.

Country Status (1)

Country Link
FR (1) FR2712631B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725239B1 (fr) * 1994-09-30 1996-11-22 Gec Alsthom Electromec Disposition pour l'ecretement des pointes de contrainte dans l'ancrage d'une ailette de turbine, comportant une racine dite en "pied-sapin"
FR2851285B1 (fr) * 2003-02-13 2007-03-16 Snecma Moteurs Realisation de turbines pour turbomachines ayant des aubes a frequences de resonance ajustees differentes et procede d'ajustement de la frequence de resonance d'une aube de turbine
US7156621B2 (en) 2004-05-14 2007-01-02 Pratt & Whitney Canada Corp. Blade fixing relief mismatch
US20070031260A1 (en) * 2005-08-03 2007-02-08 Dube Bryan P Turbine airfoil platform platypus for low buttress stress
GB0707426D0 (en) 2007-04-18 2007-05-23 Rolls Royce Plc Blade arrangement
GB0815475D0 (en) 2008-08-27 2008-10-01 Rolls Royce Plc A blade
GB0815483D0 (en) 2008-08-27 2008-10-01 Rolls Royce Plc Blade arrangement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1970435A (en) * 1932-01-09 1934-08-14 Baldwin Southwark Corp Balanced turbine or pump runner and method of balancing
BE446099A (fr) * 1943-04-16 1900-01-01
FR1024218A (fr) * 1950-09-01 1953-03-30 Rateau Soc Dispositif d'amortissement de vibrations pour pales d'hélices et ailettes de turbomachines
US2823895A (en) * 1952-04-16 1958-02-18 United Aircraft Corp Vibration damping blade
US2828941A (en) * 1952-12-24 1958-04-01 United Aircraft Corp Blade damping means
US3347520A (en) * 1966-07-12 1967-10-17 Jerzy A Oweczarek Turbomachine blading
GB1513338A (en) * 1976-03-26 1978-06-07 Rolls Royce Rotor blade for a gas turbine engine
GB1550597A (en) * 1978-03-13 1979-08-15 Curtiss Wright Corp Blade configurations for turbine rotors
US4497613A (en) * 1983-01-26 1985-02-05 General Electric Company Tapered core exit for gas turbine bucket
US4878810A (en) * 1988-05-20 1989-11-07 Westinghouse Electric Corp. Turbine blades having alternating resonant frequencies

Also Published As

Publication number Publication date
FR2712631A1 (fr) 1995-05-24

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080930