FR3109177B1 - Grille de conduit de décharge à chevrons. - Google Patents

Grille de conduit de décharge à chevrons. Download PDF

Info

Publication number
FR3109177B1
FR3109177B1 FR2003662A FR2003662A FR3109177B1 FR 3109177 B1 FR3109177 B1 FR 3109177B1 FR 2003662 A FR2003662 A FR 2003662A FR 2003662 A FR2003662 A FR 2003662A FR 3109177 B1 FR3109177 B1 FR 3109177B1
Authority
FR
France
Prior art keywords
orifices
herringbone
grille
perforated plate
diameter
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
FR2003662A
Other languages
English (en)
Other versions
FR3109177A1 (fr
Inventor
Norman Bruno André Jodet
Jéremy Paul Francisco Gonzalez
Josselin David Florian Regnard
Paul Clément Guillaume Laffay
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 FR2003662A priority Critical patent/FR3109177B1/fr
Publication of FR3109177A1 publication Critical patent/FR3109177A1/fr
Application granted granted Critical
Publication of FR3109177B1 publication Critical patent/FR3109177B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
    • F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/105—Final actuators by passing part of the fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/075—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type controlling flow ratio between flows
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/025—Influencing flow of fluids in pipes or conduits by means of orifice or throttle elements
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Details Of Valves (AREA)
  • Lift Valve (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Grille de conduit de décharge à chevrons Une grille (22) de traitement acoustique destinée à être montée à l’intérieur ou en sortie d’un conduit (21) d’une vanne de décharge (20) d’une turbomachine (1) destinée à acheminer un flux gazeux (F), la grille (22) comprenant une plaque perforée (23) circulaire définissant une direction axiale (DA) et une direction radiale (DR) et ayant un premier diamètre et des orifices (230) traversant la plaque perforée (23). La plaque perforée (23) comprend une première partie (25) dépourvue d’orifices (230) et une seconde partie (24) comportant lesdits orifices (230),la frontière (240) entre la première partie (25) et la seconde partie (24) ayant la forme d’une figure géométrique plane fermée inscrite dans un cercle (C1) ayant un second diamètre inférieur au premier diamètre de ladite plaque perforée (23),la figure géométrique plane fermée ayant au moins trois portions en saillie (241) vers l’extérieur selon la direction radiale (DR) comprenant au moins trois extrémités radiales externes (242) et au moins trois extrémités radiales internes (244), chaque extrémité radiale interne (244) séparant deux extrémités radiales externes (242). Figure pour l’abrégé : Fig. 3.
FR2003662A 2020-04-10 2020-04-10 Grille de conduit de décharge à chevrons. Active FR3109177B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2003662A FR3109177B1 (fr) 2020-04-10 2020-04-10 Grille de conduit de décharge à chevrons.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003662A FR3109177B1 (fr) 2020-04-10 2020-04-10 Grille de conduit de décharge à chevrons.
FR2003662 2020-04-10

Publications (2)

Publication Number Publication Date
FR3109177A1 FR3109177A1 (fr) 2021-10-15
FR3109177B1 true FR3109177B1 (fr) 2023-05-12

Family

ID=70738764

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2003662A Active FR3109177B1 (fr) 2020-04-10 2020-04-10 Grille de conduit de décharge à chevrons.

Country Status (1)

Country Link
FR (1) FR3109177B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2405241A (en) * 1944-09-20 1946-08-06 Henry J Smith Silencer for drains
AU2002339198A1 (en) * 2001-11-21 2003-06-10 Dunlop Aerospace Limited Noise attenuator arrangement
FR3016654B1 (fr) 2014-01-21 2019-06-07 Safran Aircraft Engines Turbomachine a prelevement de flux d'air comprime
US10221773B2 (en) * 2016-10-07 2019-03-05 General Electric Company Bleed valve assembly for a gas turbine engine

Also Published As

Publication number Publication date
FR3109177A1 (fr) 2021-10-15

Similar Documents

Publication Publication Date Title
FR2937098B1 (fr) Etancheite entre une chambre de combustion et un distributeur de turbine dans une turbomachine
JP2006242184A5 (fr)
FR2965845A1 (fr) Grille d'acceleration d'air pour systeme de turbine a gaz
JP2018128015A (ja) ウエイストゲートタービンハウジング内のディフューザー
US10215068B2 (en) Muffler for construction machine
FR3093128B1 (fr) Carter de turbomachine
MA32825B1 (fr) Procede, ensemble moule pour moulage par rotation d'une partie de tuyau a bout uni et partie de tuyau obtenue au moyen du procede
FR3109177B1 (fr) Grille de conduit de décharge à chevrons.
FR2525279A1 (fr) Systeme de refroidissement pour turbines
EP1881180A3 (fr) Système de ventilation de paroi de chambre de combustion
FR2934009A1 (fr) Diffuseur d'echappement pour turbine a gaz
JP2015526678A (ja) 改善された下方流空洞を有する弁体
JP2002201964A5 (fr)
EP0869302A2 (fr) Robinet à tournant sphérique
JPH11173296A (ja) ポンプのディフューザ装置
JP6651564B2 (ja) フランジの締結構造
FR3109179B1 (fr) Grille de conduit de décharge optimisée et vanne de décharge optimisée
JPS58156794A (ja) 継手装置
ATE404782T1 (de) Eingangsflansch eines gebogenen rohres eines abgaskrümmers und brennkraftmaschine mit einem solchen flansch
US20090032763A1 (en) Fixed Cone Sleeve Valve Having Ribs Downstream of the Gate for Supporting the Cone and Other Components of the Valve
FR3119426B1 (fr) roulement de roue équipé d’un dispositif d’étanchéité à gouttière et chicane
US10584627B2 (en) Manifold
FR3109174B1 (fr) Grille de conduit de décharge à canaux acoustiquement optimisée
FR2682159A1 (fr) Dispositif d'aspiration permettant l'evacuation, dans la ligne d'echappement d'un moteur a combustion interne, de poussieres contenues dans l'air d'admission de ce moteur, et ligne d'echappement comportant un tel dispositif.
JP2001113148A (ja) 静止型混合装置およびそれを用いた脱酸素システム

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20211015

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5