EP0916808A3 - Turbine - Google Patents

Turbine Download PDF

Info

Publication number
EP0916808A3
EP0916808A3 EP98308747A EP98308747A EP0916808A3 EP 0916808 A3 EP0916808 A3 EP 0916808A3 EP 98308747 A EP98308747 A EP 98308747A EP 98308747 A EP98308747 A EP 98308747A EP 0916808 A3 EP0916808 A3 EP 0916808A3
Authority
EP
European Patent Office
Prior art keywords
turbine
disc
cooling air
aerofoil blades
platform
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.)
Granted
Application number
EP98308747A
Other languages
German (de)
English (en)
Other versions
EP0916808A2 (fr
EP0916808B1 (fr
Inventor
Alec George Dodd
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of EP0916808A2 publication Critical patent/EP0916808A2/fr
Publication of EP0916808A3 publication Critical patent/EP0916808A3/fr
Application granted granted Critical
Publication of EP0916808B1 publication Critical patent/EP0916808B1/fr
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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/081—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/082—Cooling fluid being directed on the side of the rotor disc or at the roots of the blades on the side of the rotor disc
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/08—Heating, heat-insulating or cooling means
    • F01D5/085—Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • 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
    • F05D2240/00—Components
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP98308747A 1997-11-05 1998-10-26 Turbine Expired - Lifetime EP0916808B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9723268 1997-11-05
GBGB9723268.0A GB9723268D0 (en) 1997-11-05 1997-11-05 Turbine

Publications (3)

Publication Number Publication Date
EP0916808A2 EP0916808A2 (fr) 1999-05-19
EP0916808A3 true EP0916808A3 (fr) 2000-01-12
EP0916808B1 EP0916808B1 (fr) 2003-03-12

Family

ID=10821552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98308747A Expired - Lifetime EP0916808B1 (fr) 1997-11-05 1998-10-26 Turbine

Country Status (3)

Country Link
EP (1) EP0916808B1 (fr)
DE (1) DE69812044T2 (fr)
GB (1) GB9723268D0 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0503676D0 (en) * 2005-02-23 2005-03-30 Rolls Royce Plc A lock plate arrangement
GB0503681D0 (en) * 2005-02-23 2005-03-30 Rolls Royce Plc Turbine engine cooling
US7465149B2 (en) 2006-03-14 2008-12-16 Rolls-Royce Plc Turbine engine cooling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920865A (en) * 1952-10-31 1960-01-12 Rolls Royce Bladed stator or rotor constructions with means to supply a fluid internally of the blades
US3043561A (en) * 1958-12-29 1962-07-10 Gen Electric Turbine rotor ventilation system
GB1209419A (en) * 1968-06-24 1970-10-21 Westinghouse Electric Corp Side plates for turbine blades
US4453888A (en) * 1981-04-01 1984-06-12 United Technologies Corporation Nozzle for a coolable rotor blade
US5352087A (en) * 1992-02-10 1994-10-04 United Technologies Corporation Cooling fluid ejector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920865A (en) * 1952-10-31 1960-01-12 Rolls Royce Bladed stator or rotor constructions with means to supply a fluid internally of the blades
US3043561A (en) * 1958-12-29 1962-07-10 Gen Electric Turbine rotor ventilation system
GB1209419A (en) * 1968-06-24 1970-10-21 Westinghouse Electric Corp Side plates for turbine blades
US4453888A (en) * 1981-04-01 1984-06-12 United Technologies Corporation Nozzle for a coolable rotor blade
US5352087A (en) * 1992-02-10 1994-10-04 United Technologies Corporation Cooling fluid ejector

Also Published As

Publication number Publication date
DE69812044D1 (de) 2003-04-17
DE69812044T2 (de) 2003-08-21
EP0916808A2 (fr) 1999-05-19
EP0916808B1 (fr) 2003-03-12
GB9723268D0 (en) 1998-01-07

Similar Documents

Publication Publication Date Title
US6065928A (en) Turbine nozzle having purge air circuit
US5531568A (en) Turbine blade
US5501575A (en) Fan blade attachment for gas turbine engine
EP0921272A3 (fr) Arrangement pour un disque de rotor d'une turbine
US7828521B2 (en) Turbine module for a gas-turbine engine
US7980812B2 (en) Low pressure turbine rotor disk
US6905305B2 (en) Engine casing with slots and abradable lining
EP0900920A3 (fr) Dispositif d'étanchéité entre une plate-forme d'aube de turbine et deux viroles statoriques
DE60044228D1 (de) Kompressorrotor- Konfiguration
EP1088963A2 (fr) Méthode et dispositif de purge pour des cavités dans des roues de turbines
EP0787890A3 (fr) Rotor pour turbine à gaz
EP1057974A3 (fr) Aubes de guidage pour turbines à gaz
EP1045114A3 (fr) Ensemble d' alimentation en fluide de refroidissement pour les aubes du troisième étage d' une turbine à gaz
EP1262634A3 (fr) Tuyère intégrale et virole
EP1201878A3 (fr) Rotor à aubes
EP1091089A3 (fr) Alimentation en air de refroidissement par des brides de jonction d'un rotor de turbine
EP0850831A3 (fr) CÔne avant et sa méthode de réparation
US20040062637A1 (en) Integral swirl knife edge injection assembly
US7704042B2 (en) Turbomachine, especially a gas turbine
US7507072B2 (en) Turbine module for a gas-turbine engine with rotor that includes a monoblock body
CA2509794C (fr) Aube de turbine a refroidissement interne
EP1233148A3 (fr) Virole de turbine et sa méthode de traitement
JP2001526345A (ja) ガスタービンロータのためのカバープレート
EP1172523A3 (fr) Méthode et dispositif d'alimentation en air de refroidissement des rotors de turbines
US6976827B2 (en) Rotor balancing device and method

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19991213

R17P Request for examination filed (corrected)

Effective date: 19991213

AKX Designation fees paid

Free format text: DE FR GB

17Q First examination report despatched

Effective date: 20020312

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 69812044

Country of ref document: DE

Date of ref document: 20030417

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20031215

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20060911

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20060914

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060925

Year of fee payment: 9

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20071026

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080501

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20080630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071026

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20071031