EP0261460A3 - Turbo machine with transsonic stages - Google Patents

Turbo machine with transsonic stages Download PDF

Info

Publication number
EP0261460A3
EP0261460A3 EP87112792A EP87112792A EP0261460A3 EP 0261460 A3 EP0261460 A3 EP 0261460A3 EP 87112792 A EP87112792 A EP 87112792A EP 87112792 A EP87112792 A EP 87112792A EP 0261460 A3 EP0261460 A3 EP 0261460A3
Authority
EP
European Patent Office
Prior art keywords
transsonic
stages
turbo machine
turbo
machine
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
EP87112792A
Other languages
German (de)
Other versions
EP0261460B1 (en
EP0261460A2 (en
Inventor
Jean Dr. Hourmouziadis
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.)
MTU Aero Engines GmbH
Original Assignee
MTU Motoren und Turbinen Union Muenchen GmbH
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 MTU Motoren und Turbinen Union Muenchen GmbH filed Critical MTU Motoren und Turbinen Union Muenchen GmbH
Publication of EP0261460A2 publication Critical patent/EP0261460A2/en
Publication of EP0261460A3 publication Critical patent/EP0261460A3/en
Application granted granted Critical
Publication of EP0261460B1 publication Critical patent/EP0261460B1/en
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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/302—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor characteristics related to shock waves, transonic or supersonic flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
EP87112792A 1986-09-20 1987-09-02 Turbo machine with transsonic stages Expired - Lifetime EP0261460B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863632094 DE3632094A1 (en) 1986-09-20 1986-09-20 TURBO MACHINE WITH TRANSITIONAL FLOWED STEPS
DE3632094 1986-09-20

Publications (3)

Publication Number Publication Date
EP0261460A2 EP0261460A2 (en) 1988-03-30
EP0261460A3 true EP0261460A3 (en) 1989-11-08
EP0261460B1 EP0261460B1 (en) 1992-06-24

Family

ID=6310039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112792A Expired - Lifetime EP0261460B1 (en) 1986-09-20 1987-09-02 Turbo machine with transsonic stages

Country Status (4)

Country Link
US (1) US4836745A (en)
EP (1) EP0261460B1 (en)
DD (1) DD265444A1 (en)
DE (2) DE3632094A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702242B1 (en) * 1993-03-03 1995-04-07 Snecma Free blades stage at one end.
DE4329014C1 (en) * 1993-08-28 1995-01-05 Mtu Muenchen Gmbh Rotor housing, especially housing for turbine engines
WO1995016735A1 (en) * 1993-12-17 1995-06-22 E.I. Du Pont De Nemours And Company Polyethylene therephthalate articles having desirable adhesion and non-blocking characteristics, and a preparative process therefor
GB2294732A (en) * 1994-11-05 1996-05-08 Rolls Royce Plc Integral disc seal for turbomachine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619722A (en) * 1946-12-20 1949-03-14 English Electric Co Ltd Improvements in and relating to boundary layer control in fluid conduits
DE2748597A1 (en) * 1976-11-01 1978-05-03 Gen Electric SUPER SOUND COMPRESSOR WITH IMPROVED OPERATING CHARACTERISTICS OUTSIDE OF THE RATED OPERATING CONDITION
US4164845A (en) * 1974-10-16 1979-08-21 Avco Corporation Rotary compressors
DE3127214A1 (en) * 1980-07-16 1982-03-25 Office National d'Etudes et de Recherches Aérospatiales, O.N.E.R.A., 92320 Châtillon-sous-Bagneux, Hauts-de-Seine "SUPERSONALIZER"
FR2490722A1 (en) * 1980-08-06 1982-03-26 Rolls Royce AIR GASKETS FOR TURBOMACHINES

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427244A (en) * 1944-03-07 1947-09-09 Gen Electric Gas turbine
US2494328A (en) * 1946-03-22 1950-01-10 Gen Electric Axial flow elastic fluid turbine
US2897936A (en) * 1956-01-05 1959-08-04 Socony Mobil Oil Co Inc Moving bed flow control valve
GB979749A (en) * 1963-10-18 1965-01-06 Rolls Royce Axial flow compressors particularly for gas turbine engines
US4504188A (en) * 1979-02-23 1985-03-12 Carrier Corporation Pressure variation absorber
GB2111598B (en) * 1981-12-15 1984-10-24 Rolls Royce Cooling air pressure control in a gas turbine engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB619722A (en) * 1946-12-20 1949-03-14 English Electric Co Ltd Improvements in and relating to boundary layer control in fluid conduits
US4164845A (en) * 1974-10-16 1979-08-21 Avco Corporation Rotary compressors
DE2748597A1 (en) * 1976-11-01 1978-05-03 Gen Electric SUPER SOUND COMPRESSOR WITH IMPROVED OPERATING CHARACTERISTICS OUTSIDE OF THE RATED OPERATING CONDITION
DE3127214A1 (en) * 1980-07-16 1982-03-25 Office National d'Etudes et de Recherches Aérospatiales, O.N.E.R.A., 92320 Châtillon-sous-Bagneux, Hauts-de-Seine "SUPERSONALIZER"
FR2490722A1 (en) * 1980-08-06 1982-03-26 Rolls Royce AIR GASKETS FOR TURBOMACHINES

Also Published As

Publication number Publication date
EP0261460B1 (en) 1992-06-24
DE3632094A1 (en) 1988-03-24
DE3779982D1 (en) 1992-07-30
US4836745A (en) 1989-06-06
EP0261460A2 (en) 1988-03-30
DD265444A1 (en) 1989-03-01

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