FR2824870B1 - LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT - Google Patents

LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT

Info

Publication number
FR2824870B1
FR2824870B1 FR0106473A FR0106473A FR2824870B1 FR 2824870 B1 FR2824870 B1 FR 2824870B1 FR 0106473 A FR0106473 A FR 0106473A FR 0106473 A FR0106473 A FR 0106473A FR 2824870 B1 FR2824870 B1 FR 2824870B1
Authority
FR
France
Prior art keywords
disc
notched
fins
fixation
low pressure
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
FR0106473A
Other languages
French (fr)
Other versions
FR2824870A1 (en
Inventor
Jean Pierre Bellanger
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 NV
Original Assignee
Alstom Power NV
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 Alstom Power NV filed Critical Alstom Power NV
Priority to FR0106473A priority Critical patent/FR2824870B1/en
Publication of FR2824870A1 publication Critical patent/FR2824870A1/en
Application granted granted Critical
Publication of FR2824870B1 publication Critical patent/FR2824870B1/en
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
    • F01D5/32—Locking, e.g. by final locking blades or keys
    • F01D5/326—Locking of axial insertion type blades by other means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR0106473A 2001-05-16 2001-05-16 LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT Expired - Fee Related FR2824870B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0106473A FR2824870B1 (en) 2001-05-16 2001-05-16 LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0106473A FR2824870B1 (en) 2001-05-16 2001-05-16 LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT

Publications (2)

Publication Number Publication Date
FR2824870A1 FR2824870A1 (en) 2002-11-22
FR2824870B1 true FR2824870B1 (en) 2003-08-15

Family

ID=8863365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0106473A Expired - Fee Related FR2824870B1 (en) 2001-05-16 2001-05-16 LOW PRESSURE STEAM TURBINE ROTOR DISC EQUIPPED WITH FINS EACH MOUNTED ON THE DISC WITH A NOTCHED FIXATION SAID ON THE TREE FOOT

Country Status (1)

Country Link
FR (1) FR2824870B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1584791A1 (en) * 2004-04-07 2005-10-12 Siemens Aktiengesellschaft Turbo-machine and rotor therefor
FR2988128A1 (en) 2012-03-19 2013-09-20 Alstom Technology Ltd TURBINE ROTOR FOR A THERMOELECTRIC POWER PLANT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807436A (en) * 1952-03-25 1957-09-24 Gen Motors Corp Turbine wheel and bucket assembly
US2846183A (en) * 1952-07-18 1958-08-05 William C Morgan Retaining devices for turbine blades
US2965355A (en) * 1956-01-17 1960-12-20 United Aircraft Corp Turbine disc burst inhibitor
US3158353A (en) * 1962-07-16 1964-11-24 United Aircraft Canada Blade locking device for conical broached discs
CH489698A (en) * 1968-09-02 1970-04-30 Bbc Brown Boveri & Cie Device for securing rotor blades of turbo machines, in particular for turbines, which are held in a form-fitting manner in axial grooves of a shaft

Also Published As

Publication number Publication date
FR2824870A1 (en) 2002-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100129