FR3047777B1 - ANNULAR CASING OF TURBOMACHINE - Google Patents

ANNULAR CASING OF TURBOMACHINE Download PDF

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Publication number
FR3047777B1
FR3047777B1 FR1651182A FR1651182A FR3047777B1 FR 3047777 B1 FR3047777 B1 FR 3047777B1 FR 1651182 A FR1651182 A FR 1651182A FR 1651182 A FR1651182 A FR 1651182A FR 3047777 B1 FR3047777 B1 FR 3047777B1
Authority
FR
France
Prior art keywords
wall
annular
turbomachine
bosses
sampling means
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
FR1651182A
Other languages
French (fr)
Other versions
FR3047777A1 (en
Inventor
Nicolas Xavier TRAPPIER
Nadege HUGON
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
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Filing date
Publication date
Application filed by Safran Aircraft Engines SAS, SNECMA SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1651182A priority Critical patent/FR3047777B1/en
Publication of FR3047777A1 publication Critical patent/FR3047777A1/en
Application granted granted Critical
Publication of FR3047777B1 publication Critical patent/FR3047777B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Carter annulaire (112) de turbomachine, comprenant une paroi de révolution autour d'un axe (A) et présentant une surface annulaire radialement interne et une surface annulaire radialement externe, ladite paroi comportant sur sa surface externe des bossages (130) de fixation de moyens de prélèvement d'air, lesdits bossages comportant des orifices radiaux (126, 126') traversants débouchant sur ladite surface interne et destinés à être en communication fluidique avec lesdits moyens de prélèvement, ladite paroi étant reliée à une virole annulaire qui s'étend radialement vers l'intérieur depuis ladite surface interne, et à distance d'extrémités longitudinales de la paroi, caractérisé en ce que ladite virole a une forme non axisymétrique et est reliée à ladite paroi par une ligne de liaison (136) non circulaire et qui sépare deux zones annulaires (Z1, Z2) de ladite paroi sur lesquelles sont répartis lesdits bossages.A turbomachine annular casing (112) comprising a wall of revolution about an axis (A) and having a radially inner annular surface and a radially outer annular surface, said wall having on its outer surface projections (130) for fixing air sampling means, said bosses having radial orifices (126, 126 ') passing through said inner surface and intended to be in fluid communication with said sampling means, said wall being connected to an annular ring which extends radially inwardly from said inner surface, and at a distance from longitudinal ends of the wall, characterized in that said ferrule has a non-axisymmetrical shape and is connected to said wall by a noncircular connecting line (136) and which separates two annular zones (Z1, Z2) of said wall on which said bosses are distributed.

FR1651182A 2016-02-15 2016-02-15 ANNULAR CASING OF TURBOMACHINE Active FR3047777B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1651182A FR3047777B1 (en) 2016-02-15 2016-02-15 ANNULAR CASING OF TURBOMACHINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1651182A FR3047777B1 (en) 2016-02-15 2016-02-15 ANNULAR CASING OF TURBOMACHINE
FR1651182 2016-02-15

Publications (2)

Publication Number Publication Date
FR3047777A1 FR3047777A1 (en) 2017-08-18
FR3047777B1 true FR3047777B1 (en) 2019-05-10

Family

ID=55542985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1651182A Active FR3047777B1 (en) 2016-02-15 2016-02-15 ANNULAR CASING OF TURBOMACHINE

Country Status (1)

Country Link
FR (1) FR3047777B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2616889B1 (en) * 1987-06-18 1992-07-31 Snecma TURBOJET COMBUSTION CHAMBER HOUSING HAVING AIR TAKE-OFFS
FR2829193B1 (en) * 2001-08-30 2005-04-08 Snecma Moteurs AIR COLLECTION SYSTEM OF A COMPRESSOR
FR2895020B1 (en) * 2005-12-16 2010-12-03 Snecma ARRANGEMENT FOR GAS SAMPLING FROM A TURBOMACHINE CASING, CASTING THE COMPONENT, AND AN AIRCRAFT ENGINE WHILE MUNIED

Also Published As

Publication number Publication date
FR3047777A1 (en) 2017-08-18

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