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FR2485632B1 - IMPROVEMENT IN VENTILATION SYSTEMS OF BLADES AND TURBINE DISCS - Google Patents

IMPROVEMENT IN VENTILATION SYSTEMS OF BLADES AND TURBINE DISCS

Info

Publication number
FR2485632B1
FR2485632B1 FR8014498A FR8014498A FR2485632B1 FR 2485632 B1 FR2485632 B1 FR 2485632B1 FR 8014498 A FR8014498 A FR 8014498A FR 8014498 A FR8014498 A FR 8014498A FR 2485632 B1 FR2485632 B1 FR 2485632B1
Authority
FR
France
Prior art keywords
blades
improvement
ventilation systems
turbine discs
discs
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
Application number
FR8014498A
Other languages
French (fr)
Other versions
FR2485632A1 (en
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
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR8014498A priority Critical patent/FR2485632B1/en
Priority to DE8181400931T priority patent/DE3163609D1/en
Priority to EP19810400931 priority patent/EP0043300B1/en
Publication of FR2485632A1 publication Critical patent/FR2485632A1/en
Application granted granted Critical
Publication of FR2485632B1 publication Critical patent/FR2485632B1/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)
FR8014498A 1980-06-30 1980-06-30 IMPROVEMENT IN VENTILATION SYSTEMS OF BLADES AND TURBINE DISCS Expired FR2485632B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8014498A FR2485632B1 (en) 1980-06-30 1980-06-30 IMPROVEMENT IN VENTILATION SYSTEMS OF BLADES AND TURBINE DISCS
DE8181400931T DE3163609D1 (en) 1980-06-30 1981-06-12 Cooling system for turbine blades and discs
EP19810400931 EP0043300B1 (en) 1980-06-30 1981-06-12 Cooling system for turbine blades and discs

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2485632A1 FR2485632A1 (en) 1981-12-31
FR2485632B1 true FR2485632B1 (en) 1985-07-05

Family

ID=9243661

Family Applications (1)

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

Family Cites Families (6)

* 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
US2758832A (en) * 1951-02-28 1956-08-14 Hickman Developments Inc Spring suspension for vehicles
GB753224A (en) * 1953-04-13 1956-07-18 Rolls Royce Improvements in or relating to blading for turbines or compressors
US3034763A (en) * 1959-08-20 1962-05-15 United Aircraft Corp Rotor construction
IT1063518B (en) * 1975-09-08 1985-02-11 Gen Electric SYSTEM FOR USING THE COOLING AIR LOSS IN A GAS TURBO ENGINE
GB2001708A (en) * 1977-07-22 1979-02-07 Rolls Royce Bladed rotor for a gas turbine engine

Also Published As

Publication number Publication date
DE3163609D1 (en) 1984-06-20
EP0043300A3 (en) 1982-01-13
FR2485632A1 (en) 1981-12-31
EP0043300A2 (en) 1982-01-06
EP0043300B1 (en) 1984-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse