FR3059041B1 - Dispositif de pilotage rotor/stator avec lechette a ressort - Google Patents

Dispositif de pilotage rotor/stator avec lechette a ressort Download PDF

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Publication number
FR3059041B1
FR3059041B1 FR1661320A FR1661320A FR3059041B1 FR 3059041 B1 FR3059041 B1 FR 3059041B1 FR 1661320 A FR1661320 A FR 1661320A FR 1661320 A FR1661320 A FR 1661320A FR 3059041 B1 FR3059041 B1 FR 3059041B1
Authority
FR
France
Prior art keywords
rotor
steering device
spring sleeve
base
stator
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.)
Active
Application number
FR1661320A
Other languages
English (en)
Other versions
FR3059041A1 (fr
Inventor
Arnaud Fabien Lambert Olivier
Jose Pierre Amoedo Simon
Luc Florent Sicard Josselin
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
Safran Aircraft Engines 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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1661320A priority Critical patent/FR3059041B1/fr
Publication of FR3059041A1 publication Critical patent/FR3059041A1/fr
Application granted granted Critical
Publication of FR3059041B1 publication Critical patent/FR3059041B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/441—Free-space packings with floating ring
    • F16J15/442—Free-space packings with floating ring segmented
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/445—Free-space packings with means for adjusting the clearance
    • 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
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/16—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/501—Elasticity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Il est proposé un dispositif (18) destiné à être interposé entre une première pièce (16) et une deuxième pièce en rotation par rapport à la première pièce (16), comportant : une base (20) solidaire de la deuxième pièce ; au moins une léchette (19) qui s'étend sensiblement perpendiculairement à la base (20) jusqu'à une extrémité (19c) ; caractérisé en ce que la léchette (19) comprend : une première partie (19a) solidaire de la base; une deuxième partie (19b) mobile radialement par rapport à la première partie (19a) entre une position rétractée dans laquelle l'extrémité (19c) est écartée de la première pièce (16), et une position déployée (P2) dans laquelle l'extrémité (19c) est au contact de la première pièce (16) ; et au moins un moyen de rappel (21) interposé entre la première partie (19a) et la deuxième partie (19b) et sollicitant celle-ci vers sa position déployée.
FR1661320A 2016-11-21 2016-11-21 Dispositif de pilotage rotor/stator avec lechette a ressort Active FR3059041B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1661320A FR3059041B1 (fr) 2016-11-21 2016-11-21 Dispositif de pilotage rotor/stator avec lechette a ressort

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1661320 2016-11-21
FR1661320A FR3059041B1 (fr) 2016-11-21 2016-11-21 Dispositif de pilotage rotor/stator avec lechette a ressort

Publications (2)

Publication Number Publication Date
FR3059041A1 FR3059041A1 (fr) 2018-05-25
FR3059041B1 true FR3059041B1 (fr) 2020-05-08

Family

ID=58501474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1661320A Active FR3059041B1 (fr) 2016-11-21 2016-11-21 Dispositif de pilotage rotor/stator avec lechette a ressort

Country Status (1)

Country Link
FR (1) FR3059041B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220389825A1 (en) * 2021-06-04 2022-12-08 General Electric Company Turbine engine with a rotor seal assembly
US12116896B1 (en) 2023-03-24 2024-10-15 General Electric Company Seal support assembly for a turbine engine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3082873B1 (fr) * 2018-06-21 2020-10-02 Safran Aircraft Engines Ensemble de turbomachine, aube de turbomachine et turbomachine
FR3088954B1 (fr) * 2018-11-22 2021-01-22 Safran Aircraft Engines Ensemble d’etancheite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839843C2 (de) * 1988-11-25 1995-04-06 Mtu Muenchen Gmbh Wellendichtung für Turbomaschinen, insbesondere Gasturbinentriebwerke
DE29510123U1 (de) * 1995-06-22 1996-10-31 Föhl, Artur, 73614 Schorndorf Dichteinrichtung am Kolben einer Kreiskolbenmaschine
JPH1113404A (ja) * 1997-06-25 1999-01-19 Mitsubishi Heavy Ind Ltd 動翼の翼端シール機構
US7645117B2 (en) * 2006-05-05 2010-01-12 General Electric Company Rotary machines and methods of assembling
US8360712B2 (en) * 2010-01-22 2013-01-29 General Electric Company Method and apparatus for labyrinth seal packing rings
DE102012005771B4 (de) * 2011-03-25 2022-06-30 General Electric Technology Gmbh Dichtvorrichtung für drehende Turbinenschaufeln
EP2818642A1 (fr) * 2013-06-28 2014-12-31 Siemens Aktiengesellschaft Elément de bague d'étanchéité pour le stator d'une turbine
FR3025555B1 (fr) * 2014-09-09 2019-08-16 Safran Aircraft Engines Aube de turbine et turbomachine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220389825A1 (en) * 2021-06-04 2022-12-08 General Electric Company Turbine engine with a rotor seal assembly
US11821320B2 (en) * 2021-06-04 2023-11-21 General Electric Company Turbine engine with a rotor seal assembly
US12116896B1 (en) 2023-03-24 2024-10-15 General Electric Company Seal support assembly for a turbine engine

Also Published As

Publication number Publication date
FR3059041A1 (fr) 2018-05-25

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