PL3865666T3 - Łopatka dla turbomaszyny z osłoną - Google Patents

Łopatka dla turbomaszyny z osłoną

Info

Publication number
PL3865666T3
PL3865666T3 PL21152941.7T PL21152941T PL3865666T3 PL 3865666 T3 PL3865666 T3 PL 3865666T3 PL 21152941 T PL21152941 T PL 21152941T PL 3865666 T3 PL3865666 T3 PL 3865666T3
Authority
PL
Poland
Prior art keywords
turbomachine
shroud
blade
Prior art date
Application number
PL21152941.7T
Other languages
English (en)
Inventor
Krzysztof Skura
Christian Eichler
Lutz Friedrich
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
Publication of PL3865666T3 publication Critical patent/PL3865666T3/pl

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
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F05D2260/00—Function
    • F05D2260/94—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF]
    • F05D2260/941—Functionality given by mechanical stress related aspects such as low cycle fatigue [LCF] of high cycle fatigue [HCF] particularly aimed at mechanical or thermal stress reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PL21152941.7T 2020-02-11 2021-01-22 Łopatka dla turbomaszyny z osłoną PL3865666T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20156506.6A EP3865665A1 (en) 2020-02-11 2020-02-11 Blade for a turbomachine with a shroud

Publications (1)

Publication Number Publication Date
PL3865666T3 true PL3865666T3 (pl) 2024-08-12

Family

ID=69570601

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21152941.7T PL3865666T3 (pl) 2020-02-11 2021-01-22 Łopatka dla turbomaszyny z osłoną

Country Status (4)

Country Link
US (1) US11585225B2 (pl)
EP (2) EP3865665A1 (pl)
ES (1) ES2985663T3 (pl)
PL (1) PL3865666T3 (pl)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083903A (en) * 1990-07-31 1992-01-28 General Electric Company Shroud insert for turbomachinery blade
EP1413712A1 (de) 2002-10-21 2004-04-28 Siemens Aktiengesellschaft Turbinenschaufel mit Deckband und Dichtrippe
US8192166B2 (en) * 2009-05-12 2012-06-05 Siemens Energy, Inc. Tip shrouded turbine blade with sealing rail having non-uniform thickness
DE102009030566A1 (de) * 2009-06-26 2010-12-30 Mtu Aero Engines Gmbh Deckbandsegment zur Anordnung an einer Schaufel
FR2985759B1 (fr) * 2012-01-17 2014-03-07 Snecma Aube mobile de turbomachine
EP2938832B1 (en) 2012-12-28 2019-02-06 United Technologies Corporation Shrouded turbine blade with cut corner
FR3001758B1 (fr) * 2013-02-01 2016-07-15 Snecma Aube de rotor de turbomachine
US9683446B2 (en) * 2013-03-07 2017-06-20 Rolls-Royce Energy Systems, Inc. Gas turbine engine shrouded blade
US9879550B2 (en) 2014-07-31 2018-01-30 Pratt & Whitney Canada Corp. Outer shroud with gusset
EP3034790B1 (en) * 2014-12-16 2020-06-24 Ansaldo Energia Switzerland AG Rotating blade for a gas turbine
PL3056677T3 (pl) * 2015-02-12 2020-06-01 MTU Aero Engines AG Łopatka i maszyna przepływowa
JP6461382B2 (ja) 2015-06-29 2019-01-30 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ シュラウド付きタービンブレード
US10156145B2 (en) * 2015-10-27 2018-12-18 General Electric Company Turbine bucket having cooling passageway
EP3269932A1 (en) * 2016-07-13 2018-01-17 MTU Aero Engines GmbH Shrouded gas turbine blade
FR3077600B1 (fr) * 2018-02-08 2020-03-06 Safran Aircraft Engines Aube de turbomachine d'aeronef

Also Published As

Publication number Publication date
EP3865666B1 (en) 2024-06-05
US11585225B2 (en) 2023-02-21
US20210246794A1 (en) 2021-08-12
ES2985663T3 (es) 2024-11-06
EP3865665A1 (en) 2021-08-18
EP3865666A1 (en) 2021-08-18

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