EP0043300A3 - Cooling system for turbine blades and discs - Google Patents

Cooling system for turbine blades and discs Download PDF

Info

Publication number
EP0043300A3
EP0043300A3 EP81400931A EP81400931A EP0043300A3 EP 0043300 A3 EP0043300 A3 EP 0043300A3 EP 81400931 A EP81400931 A EP 81400931A EP 81400931 A EP81400931 A EP 81400931A EP 0043300 A3 EP0043300 A3 EP 0043300A3
Authority
EP
European Patent Office
Prior art keywords
discs
cooling system
turbine blades
turbine
blades
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
EP81400931A
Other languages
French (fr)
Other versions
EP0043300B1 (en
EP0043300A2 (en
Inventor
Andre Alexandre Morlon
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
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 filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Publication of EP0043300A2 publication Critical patent/EP0043300A2/en
Publication of EP0043300A3 publication Critical patent/EP0043300A3/en
Application granted granted Critical
Publication of EP0043300B1 publication Critical patent/EP0043300B1/en
Expired 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
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • 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)
  • Turbine Rotor Nozzle Sealing (AREA)
EP19810400931 1980-06-30 1981-06-12 Cooling system for turbine blades and discs Expired EP0043300B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8014498 1980-06-30
FR8014498A FR2485632B1 (en) 1980-06-30 1980-06-30 IMPROVEMENT IN VENTILATION SYSTEMS OF BLADES AND TURBINE DISCS

Publications (3)

Publication Number Publication Date
EP0043300A2 EP0043300A2 (en) 1982-01-06
EP0043300A3 true EP0043300A3 (en) 1982-01-13
EP0043300B1 EP0043300B1 (en) 1984-05-16

Family

ID=9243661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810400931 Expired EP0043300B1 (en) 1980-06-30 1981-06-12 Cooling system for turbine blades and discs

Country Status (3)

Country Link
EP (1) EP0043300B1 (en)
DE (1) DE3163609D1 (en)
FR (1) FR2485632B1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835932A1 (en) * 1988-10-21 1990-04-26 Mtu Muenchen Gmbh DEVICE FOR COOLING AIR SUPPLY FOR GAS TURBINE ROTOR BLADES
FR2695161B1 (en) * 1992-08-26 1994-11-04 Snecma Cooling system for a turbomachine compressor and clearance control.
US5403156A (en) * 1993-10-26 1995-04-04 United Technologies Corporation Integral meter plate for turbine blade and method
US5511945A (en) * 1994-10-31 1996-04-30 Solar Turbines Incorporated Turbine motor and blade interface cooling system
US5759012A (en) * 1996-12-13 1998-06-02 Caterpillar Inc. Turbine disc ingress prevention method and apparatus
DE19950109A1 (en) 1999-10-18 2001-04-19 Asea Brown Boveri Rotor for a gas turbine
DE102009007664A1 (en) 2009-02-05 2010-08-12 Mtu Aero Engines Gmbh Sealing device on the blade shank of a rotor stage of an axial flow machine
US8622702B1 (en) * 2010-04-21 2014-01-07 Florida Turbine Technologies, Inc. Turbine blade with cooling air inlet holes
FR2969209B1 (en) * 2010-12-21 2019-06-21 Safran Aircraft Engines TURBINE STOVE FOR AIRCRAFT TURBOMACHINE HAVING IMPROVED SEAL BETWEEN THE FLASK AND THE TURBINE BLADES
US9777575B2 (en) 2014-01-20 2017-10-03 Honeywell International Inc. Turbine rotor assemblies with improved slot cavities
US20190323361A1 (en) * 2018-04-20 2019-10-24 United Technologies Corporation Blade with inlet orifice on forward face of root
FR3091722B1 (en) 2019-01-11 2020-12-25 Safran Aircraft Engines Rotor, turbine equipped with such a rotor and turbomachine equipped with such a turbine
FR3095234B1 (en) * 2019-04-19 2021-07-09 Safran Aircraft Engines TURBOMACHINE ASSEMBLY INCLUDING A TEMPERATURE LIMITATION DEVICE FOR UNCOOLED ALVEOLE BOTTOM
CN112196628B (en) * 2020-09-25 2022-06-07 中国航发沈阳发动机研究所 Low-pressure turbine air cooling blade
FR3127255A1 (en) * 2021-09-23 2023-03-24 Safran Aircraft Engines Rotary assembly for turbomachine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB701263A (en) * 1950-08-03 1953-12-23 Rolls Royce Improvements in or relating to turbo-machines
CH322022A (en) * 1953-04-13 1957-05-31 Rolls Royce Hollow blade for turbo machines
US3034763A (en) * 1959-08-20 1962-05-15 United Aircraft Corp Rotor construction
FR2323007A1 (en) * 1975-09-08 1977-04-01 Gen Electric Turbine blade cooling by fluid leakage through void by blade root - has void wall, with inclined coutlet bore, radial to blade platform
GB2001708A (en) * 1977-07-22 1979-02-07 Rolls Royce Bladed rotor for a gas turbine engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758832A (en) * 1951-02-28 1956-08-14 Hickman Developments Inc Spring suspension for vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB701263A (en) * 1950-08-03 1953-12-23 Rolls Royce Improvements in or relating to turbo-machines
CH322022A (en) * 1953-04-13 1957-05-31 Rolls Royce Hollow blade for turbo machines
US3034763A (en) * 1959-08-20 1962-05-15 United Aircraft Corp Rotor construction
FR2323007A1 (en) * 1975-09-08 1977-04-01 Gen Electric Turbine blade cooling by fluid leakage through void by blade root - has void wall, with inclined coutlet bore, radial to blade platform
GB2001708A (en) * 1977-07-22 1979-02-07 Rolls Royce Bladed rotor for a gas turbine engine

Also Published As

Publication number Publication date
EP0043300B1 (en) 1984-05-16
EP0043300A2 (en) 1982-01-06
FR2485632A1 (en) 1981-12-31
DE3163609D1 (en) 1984-06-20
FR2485632B1 (en) 1985-07-05

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