FR2994718B1 - Carter a traitements de carter arasants - Google Patents

Carter a traitements de carter arasants

Info

Publication number
FR2994718B1
FR2994718B1 FR1258002A FR1258002A FR2994718B1 FR 2994718 B1 FR2994718 B1 FR 2994718B1 FR 1258002 A FR1258002 A FR 1258002A FR 1258002 A FR1258002 A FR 1258002A FR 2994718 B1 FR2994718 B1 FR 2994718B1
Authority
FR
France
Prior art keywords
arasant
carter
treatments
casting
casting treatments
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
FR1258002A
Other languages
English (en)
Other versions
FR2994718A1 (fr
Inventor
Benjamin Lafargue
Mohamed Moustapha Gueye
Eric Pierre Maurice Lippinois
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
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR1258002A priority Critical patent/FR2994718B1/fr
Publication of FR2994718A1 publication Critical patent/FR2994718A1/fr
Application granted granted Critical
Publication of FR2994718B1 publication Critical patent/FR2994718B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01D11/122—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 erodable or abradable material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • F05D2250/15—Two-dimensional spiral
    • 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
    • F05D2250/20—Three-dimensional
    • F05D2250/25—Three-dimensional helical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1258002A 2012-08-27 2012-08-27 Carter a traitements de carter arasants Active FR2994718B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1258002A FR2994718B1 (fr) 2012-08-27 2012-08-27 Carter a traitements de carter arasants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1258002A FR2994718B1 (fr) 2012-08-27 2012-08-27 Carter a traitements de carter arasants

Publications (2)

Publication Number Publication Date
FR2994718A1 FR2994718A1 (fr) 2014-02-28
FR2994718B1 true FR2994718B1 (fr) 2017-04-21

Family

ID=47003128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1258002A Active FR2994718B1 (fr) 2012-08-27 2012-08-27 Carter a traitements de carter arasants

Country Status (1)

Country Link
FR (1) FR2994718B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11136895B2 (en) 2019-02-06 2021-10-05 Raytheon Technologies Corporation Spiraling grooves as a hub treatment for cantilevered stators in compressors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558900B1 (fr) * 1984-02-01 1988-05-27 Snecma Dispositif d'etancheite peripherique d'aubage de compresseur axial
GB0526011D0 (en) * 2005-12-22 2006-02-01 Rolls Royce Plc Fan or compressor casing
DE102007053135A1 (de) * 2007-11-08 2009-05-14 Mtu Aero Engines Gmbh Gasturbinenbauteil, insbesondere Flugtriebwerksbauteil bzw. Verdichterbauteil
US8602720B2 (en) * 2010-06-22 2013-12-10 Honeywell International Inc. Compressors with casing treatments in gas turbine engines
GB2487900B (en) * 2011-02-03 2013-02-06 Rolls Royce Plc A turbomachine comprising an annular casing and a bladed rotor

Also Published As

Publication number Publication date
FR2994718A1 (fr) 2014-02-28

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