FR3105985B1 - Circuit multipoint d’injecteur amélioré - Google Patents

Circuit multipoint d’injecteur amélioré Download PDF

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Publication number
FR3105985B1
FR3105985B1 FR2000034A FR2000034A FR3105985B1 FR 3105985 B1 FR3105985 B1 FR 3105985B1 FR 2000034 A FR2000034 A FR 2000034A FR 2000034 A FR2000034 A FR 2000034A FR 3105985 B1 FR3105985 B1 FR 3105985B1
Authority
FR
France
Prior art keywords
fuel
gas
multipoint
combustion chamber
injection orifice
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
FR2000034A
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English (en)
Other versions
FR3105985A1 (fr
Inventor
Normand Kevin Didier Pierre Le
Hugo Charles Deneuville
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 FR2000034A priority Critical patent/FR3105985B1/fr
Publication of FR3105985A1 publication Critical patent/FR3105985A1/fr
Application granted granted Critical
Publication of FR3105985B1 publication Critical patent/FR3105985B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
    • F23D11/102—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet in an internal mixing chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/24—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
    • F23R3/34—Feeding into different combustion zones
    • F23R3/343—Pilot flames, i.e. fuel nozzles or injectors using only a very small proportion of the total fuel to insure continuous combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/11002—Liquid fuel burners with more than one nozzle

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L’invention concerne un circuit multipoint (M) d’injecteur de carburant, en particulier pour une turbomachine d’aéronef comportant une chambre de combustion (10), ledit circuit multipoint (M) comportant au moins un orifice d’injection (20) destiné à injecter du carburant dans la chambre de combustion (10), l’au moins un orifice d’injection (20) étant alimenté en carburant par des moyens (22) d’alimentation en carburant, caractérisé en ce que l’au moins un orifice d’injection (20) est alimenté en gaz par des moyens (24) d’alimentation en gaz de manière à réaliser un mélange gaz/carburant en amont de la chambre de combustion (10) et à injecter le mélange gaz/carburant dans la chambre (10). Figure pour l'abrégé : Figure 2
FR2000034A 2020-01-03 2020-01-03 Circuit multipoint d’injecteur amélioré Active FR3105985B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2000034A FR3105985B1 (fr) 2020-01-03 2020-01-03 Circuit multipoint d’injecteur amélioré

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2000034 2020-01-03
FR2000034A FR3105985B1 (fr) 2020-01-03 2020-01-03 Circuit multipoint d’injecteur amélioré

Publications (2)

Publication Number Publication Date
FR3105985A1 FR3105985A1 (fr) 2021-07-09
FR3105985B1 true FR3105985B1 (fr) 2023-11-24

Family

ID=69903614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2000034A Active FR3105985B1 (fr) 2020-01-03 2020-01-03 Circuit multipoint d’injecteur amélioré

Country Status (1)

Country Link
FR (1) FR3105985B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653059A1 (de) * 1996-12-19 1998-06-25 Asea Brown Boveri Verfahren zum Betrieb eines Brenners
FR2875585B1 (fr) * 2004-09-23 2006-12-08 Snecma Moteurs Sa Systeme aerodynamique a effervescence d'injection air/carburant dans une chambre de combustion de turbomachine
FR2919672B1 (fr) 2007-07-30 2014-02-14 Snecma Injecteur de carburant dans une chambre de combustion de turbomachine
EP2434221A1 (fr) * 2010-09-22 2012-03-28 Siemens Aktiengesellschaft Procédé et agencement pour injecter une émulsion dans une flamme
FR2996287B1 (fr) 2012-09-28 2018-03-02 Safran Aircraft Engines Dispositif d'injection pour une chambre de combustion de turbomachine
EP3133343A1 (fr) * 2015-08-18 2017-02-22 General Electric Technology GmbH Turbine à gaz à combustible liquide dilué

Also Published As

Publication number Publication date
FR3105985A1 (fr) 2021-07-09

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