EP0118769A3 - Shrouded multistage turbine - Google Patents

Shrouded multistage turbine Download PDF

Info

Publication number
EP0118769A3
EP0118769A3 EP84101311A EP84101311A EP0118769A3 EP 0118769 A3 EP0118769 A3 EP 0118769A3 EP 84101311 A EP84101311 A EP 84101311A EP 84101311 A EP84101311 A EP 84101311A EP 0118769 A3 EP0118769 A3 EP 0118769A3
Authority
EP
European Patent Office
Prior art keywords
shrouded
multistage turbine
multistage
turbine
shrouded multistage
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
EP84101311A
Other languages
German (de)
Other versions
EP0118769B1 (en
EP0118769A2 (en
Inventor
Martin Dr.-Ing. Albers
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 EP0118769A2 publication Critical patent/EP0118769A2/en
Publication of EP0118769A3 publication Critical patent/EP0118769A3/en
Application granted granted Critical
Publication of EP0118769B1 publication Critical patent/EP0118769B1/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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • 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
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP84101311A 1983-03-08 1984-02-09 Shrouded multistage turbine Expired EP0118769B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3308140 1983-03-08
DE3308140A DE3308140C2 (en) 1983-03-08 1983-03-08 Multi-stage gas turbine

Publications (3)

Publication Number Publication Date
EP0118769A2 EP0118769A2 (en) 1984-09-19
EP0118769A3 true EP0118769A3 (en) 1985-04-24
EP0118769B1 EP0118769B1 (en) 1987-04-08

Family

ID=6192827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84101311A Expired EP0118769B1 (en) 1983-03-08 1984-02-09 Shrouded multistage turbine

Country Status (4)

Country Link
US (1) US4571937A (en)
EP (1) EP0118769B1 (en)
JP (1) JPS59168202A (en)
DE (2) DE3308140C2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570764B1 (en) * 1984-09-27 1986-11-28 Snecma DEVICE FOR AUTOMATICALLY CONTROLLING THE PLAY OF A TURBOMACHINE LABYRINTH SEAL
DE8507551U1 (en) * 1985-03-14 1990-10-11 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Turbomachine with means for controlling the radial gap
US4791784A (en) * 1985-06-17 1988-12-20 University Of Dayton Internal bypass gas turbine engines with blade cooling
US4863348A (en) * 1987-02-06 1989-09-05 Weinhold Wolfgang P Blade, especially a rotor blade
ES2128357T3 (en) * 1991-08-30 1999-05-16 Airflow Res & Mfg FAN APPLIANCE MISSING FORWARD WITH TILT.
US5489186A (en) * 1991-08-30 1996-02-06 Airflow Research And Manufacturing Corp. Housing with recirculation control for use with banded axial-flow fans
GB2340189A (en) * 1998-08-04 2000-02-16 Siemens Plc A turbomachine shroud seal having baffles
US20050200080A1 (en) * 2004-03-10 2005-09-15 Siemens Westinghouse Power Corporation Seal for a turbine engine
JP2007321721A (en) * 2006-06-05 2007-12-13 Toshiba Corp Axial flow turbine stage and axial flow turbine
US8568095B2 (en) * 2006-12-29 2013-10-29 Carrier Corporation Reduced tip clearance losses in axial flow fans
DE102009033754A1 (en) * 2009-07-17 2011-01-20 Rolls-Royce Deutschland Ltd & Co Kg Axial compressor with a flow pulse generator
JP2011106474A (en) * 2011-03-04 2011-06-02 Toshiba Corp Axial flow turbine stage and axial flow turbine
JP5630576B2 (en) * 2011-05-20 2014-11-26 三菱日立パワーシステムズ株式会社 gas turbine
US20130230379A1 (en) * 2012-03-01 2013-09-05 General Electric Company Rotating turbomachine component having a tip leakage flow guide
JP5985351B2 (en) * 2012-10-25 2016-09-06 三菱日立パワーシステムズ株式会社 Axial flow turbine
US9593691B2 (en) * 2013-07-19 2017-03-14 General Electric Company Systems and methods for directing a flow within a shroud cavity of a compressor
GB201519869D0 (en) * 2015-11-11 2015-12-23 Rolls Royce Plc Shrouded turbine blade
US10590786B2 (en) 2016-05-03 2020-03-17 General Electric Company System and method for cooling components of a gas turbine engine
PL430870A1 (en) 2019-08-14 2021-02-22 Avio Polska Spółka Z Ograniczoną Odpowiedzialnością Seal reducing flow leakage inside a gas turbine engine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575523A (en) * 1968-12-05 1971-04-20 Us Navy Labyrinth seal for axial flow fluid machines
DE2000314A1 (en) * 1970-01-05 1971-07-15 Ulrich Hundrieser Gap sealing between stator and rotor in compressors and turbines
GB1364511A (en) * 1971-08-11 1974-08-21 Mo Energeticheskij Institut Turbines
US3867061A (en) * 1973-12-26 1975-02-18 Curtiss Wright Corp Shroud structure for turbine rotor blades and the like
DE2462465A1 (en) * 1974-03-21 1977-04-28 Maschf Augsburg Nuernberg Ag Dynamic stabilisation for high speed turbo compressor rotor - has circumferential oscillation affecting component of flow in tip gap varied using annular flow guides
FR2404101A1 (en) * 1977-09-26 1979-04-20 Hitachi Ltd BLADE STRUCTURE FOR AXIAL FLUID MACHINE
US4370094A (en) * 1974-03-21 1983-01-25 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US881474A (en) * 1906-08-14 1908-03-10 Belliss & Morcom Ltd Turbine-motor.
FR1155958A (en) * 1956-03-28 1958-05-12 Improvements to compressible fluid turbines
GB1423833A (en) * 1972-04-20 1976-02-04 Rolls Royce Rotor blades for fluid flow machines
GB1426049A (en) * 1972-10-21 1976-02-25 Rolls Royce Rotor blade for a gas turbine engine
US4273510A (en) * 1974-03-21 1981-06-16 Maschinenfabrik Augsburg-Nunberg Aktiengesellschaft Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
US4017209A (en) * 1975-12-15 1977-04-12 United Technologies Corporation Turbine rotor construction
GB1514613A (en) * 1976-04-08 1978-06-14 Rolls Royce Blade or vane for a gas turbine engine
JPS53136106A (en) * 1977-05-02 1978-11-28 Toshiba Corp Leakage preventive arrangement for axial flow machine
US4224011A (en) * 1977-10-08 1980-09-23 Rolls-Royce Limited Cooled rotor blade for a gas turbine engine
JPS578302A (en) * 1980-06-19 1982-01-16 Hitachi Ltd Internal stage structure of multistage axial-flow machine
US4424001A (en) * 1981-12-04 1984-01-03 Westinghouse Electric Corp. Tip structure for cooled turbine rotor blade
JPS58113504A (en) * 1981-12-26 1983-07-06 Toshiba Corp Construction of moving blade in axial flow fluid machine
JPS58165201U (en) * 1982-04-30 1983-11-02 三菱重工業株式会社 Turbine blade seal structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575523A (en) * 1968-12-05 1971-04-20 Us Navy Labyrinth seal for axial flow fluid machines
DE2000314A1 (en) * 1970-01-05 1971-07-15 Ulrich Hundrieser Gap sealing between stator and rotor in compressors and turbines
GB1364511A (en) * 1971-08-11 1974-08-21 Mo Energeticheskij Institut Turbines
US3867061A (en) * 1973-12-26 1975-02-18 Curtiss Wright Corp Shroud structure for turbine rotor blades and the like
DE2462465A1 (en) * 1974-03-21 1977-04-28 Maschf Augsburg Nuernberg Ag Dynamic stabilisation for high speed turbo compressor rotor - has circumferential oscillation affecting component of flow in tip gap varied using annular flow guides
US4370094A (en) * 1974-03-21 1983-01-25 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors
FR2404101A1 (en) * 1977-09-26 1979-04-20 Hitachi Ltd BLADE STRUCTURE FOR AXIAL FLUID MACHINE

Also Published As

Publication number Publication date
DE3308140C2 (en) 1985-12-19
EP0118769B1 (en) 1987-04-08
DE3463070D1 (en) 1987-05-14
JPS59168202A (en) 1984-09-21
US4571937A (en) 1986-02-25
DE3308140A1 (en) 1984-09-13
EP0118769A2 (en) 1984-09-19

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