EP2719869A1 - Étanchéification axiale dans une structure de boîtier pour une turbomachine - Google Patents

Étanchéification axiale dans une structure de boîtier pour une turbomachine Download PDF

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Publication number
EP2719869A1
EP2719869A1 EP12188322.7A EP12188322A EP2719869A1 EP 2719869 A1 EP2719869 A1 EP 2719869A1 EP 12188322 A EP12188322 A EP 12188322A EP 2719869 A1 EP2719869 A1 EP 2719869A1
Authority
EP
European Patent Office
Prior art keywords
cavity
housing structure
flow channel
housing wall
structure according
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.)
Pending
Application number
EP12188322.7A
Other languages
German (de)
English (en)
Inventor
Manfred Feldmann
Janine Dr. Sangl
Sebastian Kaltenbach
Joachim Lorenz
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 AG
Original Assignee
MTU Aero Engines AG
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 Aero Engines AG filed Critical MTU Aero Engines AG
Priority to EP12188322.7A priority Critical patent/EP2719869A1/fr
Priority to US14/048,169 priority patent/US9605551B2/en
Publication of EP2719869A1 publication Critical patent/EP2719869A1/fr
Pending legal-status Critical Current

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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
    • F01D11/005—Sealing means between non relatively rotating elements
    • 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
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/127—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with a deformable or crushable structure, e.g. honeycomb
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/246—Fastening of diaphragms or stator-rings
EP12188322.7A 2012-10-12 2012-10-12 Étanchéification axiale dans une structure de boîtier pour une turbomachine Pending EP2719869A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12188322.7A EP2719869A1 (fr) 2012-10-12 2012-10-12 Étanchéification axiale dans une structure de boîtier pour une turbomachine
US14/048,169 US9605551B2 (en) 2012-10-12 2013-10-08 Axial seal in a casing structure for a fluid flow machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12188322.7A EP2719869A1 (fr) 2012-10-12 2012-10-12 Étanchéification axiale dans une structure de boîtier pour une turbomachine

Publications (1)

Publication Number Publication Date
EP2719869A1 true EP2719869A1 (fr) 2014-04-16

Family

ID=47080314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12188322.7A Pending EP2719869A1 (fr) 2012-10-12 2012-10-12 Étanchéification axiale dans une structure de boîtier pour une turbomachine

Country Status (2)

Country Link
US (1) US9605551B2 (fr)
EP (1) EP2719869A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3179053A1 (fr) * 2015-12-07 2017-06-14 MTU Aero Engines GmbH Structure de carter de turbomachine avec écran de protection thermique
EP2725203B1 (fr) * 2012-10-23 2019-04-03 MTU Aero Engines AG Conduite d'air froid dans une structure de boîtier d'une turbomachine
EP3000990B1 (fr) 2014-09-26 2019-05-29 Rolls-Royce plc Dispositif de retenue de virole d'une turbine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014168804A1 (fr) * 2013-04-12 2014-10-16 United Technologies Corporation Joint étanche à l'air extérieur de pale comportant une étanchéité à l'air secondaire
WO2015084550A1 (fr) * 2013-12-03 2015-06-11 United Technologies Corporation Écrans thermiques pour joints d'étanchéité à l'air
US10196912B2 (en) * 2014-10-24 2019-02-05 United Technologies Corporation Bifurcated sliding seal
US10370994B2 (en) 2015-05-28 2019-08-06 Rolls-Royce North American Technologies Inc. Pressure activated seals for a gas turbine engine
US20180347399A1 (en) * 2017-06-01 2018-12-06 Pratt & Whitney Canada Corp. Turbine shroud with integrated heat shield
DE102021124357A1 (de) 2021-09-21 2023-03-23 MTU Aero Engines AG Hitzeschutzelement für eine Lagerkammer einer Gasturbine

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656862A (en) * 1970-07-02 1972-04-18 Westinghouse Electric Corp Segmented seal assembly
US4053254A (en) * 1976-03-26 1977-10-11 United Technologies Corporation Turbine case cooling system
DE2745130A1 (de) * 1977-10-07 1979-04-12 Motoren Turbinen Union Einrichtung zur einhaltung bestimmter ausmasse von dichtspalten zwischen laufschaufel- und/oder leitschaufelspitzen und der damit zusammenwirkenden dichtungen fuer gasturbinentriebwerke
US4925365A (en) * 1988-08-18 1990-05-15 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Turbine stator ring assembly
GB2226365A (en) * 1988-12-22 1990-06-27 Rolls Royce Plc Turbomachine clearance control
EP0937864A2 (fr) * 1998-02-20 1999-08-25 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Configuration des aubes de guidage pour une turbomachine axiale
EP0940562A2 (fr) * 1998-03-03 1999-09-08 Mitsubishi Heavy Industries, Ltd. Turbine à gaz
EP1106785A1 (fr) * 1999-12-07 2001-06-13 Rolls-Royce Deutschland Ltd & Co KG Conduit pour fluide de fuite dans le rotor d'une turbomachine
US20050232752A1 (en) * 2004-04-15 2005-10-20 David Meisels Turbine shroud cooling system
US8011879B2 (en) * 2006-10-06 2011-09-06 Snecma Transition channel between two turbine stages

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728257A (en) * 1986-06-18 1988-03-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Thermal stress minimized, two component, turbine shroud seal
GB9027986D0 (en) 1990-12-22 1991-02-13 Rolls Royce Plc Gas turbine engine clearance control
DE10122464C1 (de) 2001-05-09 2002-03-07 Mtu Aero Engines Gmbh Mantelring
US6997673B2 (en) * 2003-12-11 2006-02-14 Honeywell International, Inc. Gas turbine high temperature turbine blade outer air seal assembly

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656862A (en) * 1970-07-02 1972-04-18 Westinghouse Electric Corp Segmented seal assembly
US4053254A (en) * 1976-03-26 1977-10-11 United Technologies Corporation Turbine case cooling system
DE2745130A1 (de) * 1977-10-07 1979-04-12 Motoren Turbinen Union Einrichtung zur einhaltung bestimmter ausmasse von dichtspalten zwischen laufschaufel- und/oder leitschaufelspitzen und der damit zusammenwirkenden dichtungen fuer gasturbinentriebwerke
US4925365A (en) * 1988-08-18 1990-05-15 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Turbine stator ring assembly
GB2226365A (en) * 1988-12-22 1990-06-27 Rolls Royce Plc Turbomachine clearance control
EP0937864A2 (fr) * 1998-02-20 1999-08-25 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Configuration des aubes de guidage pour une turbomachine axiale
EP0940562A2 (fr) * 1998-03-03 1999-09-08 Mitsubishi Heavy Industries, Ltd. Turbine à gaz
EP1106785A1 (fr) * 1999-12-07 2001-06-13 Rolls-Royce Deutschland Ltd & Co KG Conduit pour fluide de fuite dans le rotor d'une turbomachine
US20050232752A1 (en) * 2004-04-15 2005-10-20 David Meisels Turbine shroud cooling system
US8011879B2 (en) * 2006-10-06 2011-09-06 Snecma Transition channel between two turbine stages

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2725203B1 (fr) * 2012-10-23 2019-04-03 MTU Aero Engines AG Conduite d'air froid dans une structure de boîtier d'une turbomachine
EP3000990B1 (fr) 2014-09-26 2019-05-29 Rolls-Royce plc Dispositif de retenue de virole d'une turbine
EP3179053A1 (fr) * 2015-12-07 2017-06-14 MTU Aero Engines GmbH Structure de carter de turbomachine avec écran de protection thermique
US10422247B2 (en) 2015-12-07 2019-09-24 MTU Aero Engines AG Housing structure of a turbomachine with heat protection shield

Also Published As

Publication number Publication date
US9605551B2 (en) 2017-03-28
US20140105731A1 (en) 2014-04-17

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