FR2770255B1 - Rotor pour turbine a vapeur - Google Patents

Rotor pour turbine a vapeur

Info

Publication number
FR2770255B1
FR2770255B1 FR9713435A FR9713435A FR2770255B1 FR 2770255 B1 FR2770255 B1 FR 2770255B1 FR 9713435 A FR9713435 A FR 9713435A FR 9713435 A FR9713435 A FR 9713435A FR 2770255 B1 FR2770255 B1 FR 2770255B1
Authority
FR
France
Prior art keywords
rotor
steam turbine
turbine
steam
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
FR9713435A
Other languages
English (en)
Other versions
FR2770255A1 (fr
Inventor
Edouard Rakotonarivo
Guy Thauvin
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.)
Alstom SA
Original Assignee
GEC Alsthom Electromecanique SA
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 GEC Alsthom Electromecanique SA filed Critical GEC Alsthom Electromecanique SA
Priority to FR9713435A priority Critical patent/FR2770255B1/fr
Publication of FR2770255A1 publication Critical patent/FR2770255A1/fr
Application granted granted Critical
Publication of FR2770255B1 publication Critical patent/FR2770255B1/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
    • F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
    • 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
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • 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
    • F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
FR9713435A 1997-10-27 1997-10-27 Rotor pour turbine a vapeur Expired - Fee Related FR2770255B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9713435A FR2770255B1 (fr) 1997-10-27 1997-10-27 Rotor pour turbine a vapeur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9713435A FR2770255B1 (fr) 1997-10-27 1997-10-27 Rotor pour turbine a vapeur

Publications (2)

Publication Number Publication Date
FR2770255A1 FR2770255A1 (fr) 1999-04-30
FR2770255B1 true FR2770255B1 (fr) 1999-12-03

Family

ID=9512678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9713435A Expired - Fee Related FR2770255B1 (fr) 1997-10-27 1997-10-27 Rotor pour turbine a vapeur

Country Status (1)

Country Link
FR (1) FR2770255B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108176A1 (de) * 1971-02-20 1972-08-31 Motoren Turbinen Union Befestigung von keramischen Turbinenschaufeln
US3910719A (en) * 1973-11-02 1975-10-07 Avco Corp Compressor wheel assembly
US4265595A (en) * 1979-01-02 1981-05-05 General Electric Company Turbomachinery blade retaining assembly
DE3133158C1 (de) * 1981-08-21 1982-12-16 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Pressflaechen-Zwischenlage aus Metall und Verfahren zur Herstellung derselben
US4820126A (en) * 1988-02-22 1989-04-11 Westinghouse Electric Corp. Turbomachine rotor assembly having reduced stress concentrations
WO1996041068A1 (fr) * 1995-06-07 1996-12-19 National Research Council Of Canada Barriere anti-usure par contact

Also Published As

Publication number Publication date
FR2770255A1 (fr) 1999-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse