FR2999642B1 - Ensemble statorique dont les bosses comportent des portions en creux ou en saillie - Google Patents

Ensemble statorique dont les bosses comportent des portions en creux ou en saillie Download PDF

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Publication number
FR2999642B1
FR2999642B1 FR1262131A FR1262131A FR2999642B1 FR 2999642 B1 FR2999642 B1 FR 2999642B1 FR 1262131 A FR1262131 A FR 1262131A FR 1262131 A FR1262131 A FR 1262131A FR 2999642 B1 FR2999642 B1 FR 2999642B1
Authority
FR
France
Prior art keywords
wall
statoric
hollow
damage
duct
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
FR1262131A
Other languages
English (en)
Other versions
FR2999642A1 (fr
Inventor
Tangi Brusq
Jean-Luc Bacha
Emmanuel Berche
Jean Pierre Mareix
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
SNECMA 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, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1262131A priority Critical patent/FR2999642B1/fr
Publication of FR2999642A1 publication Critical patent/FR2999642A1/fr
Application granted granted Critical
Publication of FR2999642B1 publication Critical patent/FR2999642B1/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
    • F01D11/08—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
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/14—Two-dimensional elliptical
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/14—Two-dimensional elliptical
    • F05D2250/141—Two-dimensional elliptical circular
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/711—Shape curved convex
    • 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
    • F05D2250/00—Geometry
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/712—Shape curved concave
    • 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
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention propose un ensemble statorique (18) de turbomachine, qui comporte des moyens de réglage dynamique de la position radiale de secteurs d'anneau (20), par l'injection contrôlée d'air sur une bosse (34) faisant saillie par rapport à une paroi annulaire (24) par l'intermédiaire d'au moins un conduit (32) tubulaire annulaire d'injection d'air, qui est situé en vis-à-vis et à distance d'au moins une paroi (34a) d'une bosse (34), le conduit (32) comportant une pluralité d'orifices (36) par lesquels l'air est injecté en direction de ladite paroi (34a) de la bosse (34), caractérisé en ce que ladite paroi (34a) de la bosse (34) comporte une portion en relief (40) située au droit de chaque orifice (36) du conduit (32) tubulaire.
FR1262131A 2012-12-17 2012-12-17 Ensemble statorique dont les bosses comportent des portions en creux ou en saillie Active FR2999642B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1262131A FR2999642B1 (fr) 2012-12-17 2012-12-17 Ensemble statorique dont les bosses comportent des portions en creux ou en saillie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262131A FR2999642B1 (fr) 2012-12-17 2012-12-17 Ensemble statorique dont les bosses comportent des portions en creux ou en saillie
FR1262131 2012-12-17

Publications (2)

Publication Number Publication Date
FR2999642A1 FR2999642A1 (fr) 2014-06-20
FR2999642B1 true FR2999642B1 (fr) 2018-09-28

Family

ID=47882240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1262131A Active FR2999642B1 (fr) 2012-12-17 2012-12-17 Ensemble statorique dont les bosses comportent des portions en creux ou en saillie

Country Status (1)

Country Link
FR (1) FR2999642B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816352B1 (fr) * 2000-11-09 2003-01-31 Snecma Moteurs Ensemble de ventilation d'un anneau de stator
US7165937B2 (en) * 2004-12-06 2007-01-23 General Electric Company Methods and apparatus for maintaining rotor assembly tip clearances

Also Published As

Publication number Publication date
FR2999642A1 (fr) 2014-06-20

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