FR3010139B1 - DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE - Google Patents

DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE Download PDF

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Publication number
FR3010139B1
FR3010139B1 FR1358457A FR1358457A FR3010139B1 FR 3010139 B1 FR3010139 B1 FR 3010139B1 FR 1358457 A FR1358457 A FR 1358457A FR 1358457 A FR1358457 A FR 1358457A FR 3010139 B1 FR3010139 B1 FR 3010139B1
Authority
FR
France
Prior art keywords
injection system
fuel
estimating
fuel injection
clamps
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
FR1358457A
Other languages
French (fr)
Other versions
FR3010139A1 (en
Inventor
Sebastien CHALAUD
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 FR1358457A priority Critical patent/FR3010139B1/en
Publication of FR3010139A1 publication Critical patent/FR3010139A1/en
Application granted granted Critical
Publication of FR3010139B1 publication Critical patent/FR3010139B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/22—Fuel supply systems
    • 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
    • F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
    • F02C9/26—Control of fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F23K5/06—Liquid fuel from a central source to a plurality of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F23K5/14—Details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/002—Regulating fuel supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/242—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electronic means
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/607—Preventing clogging or obstruction of flow paths by dirt, dust, or foreign particles
    • 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
    • F05D2260/80—Diagnostics
    • 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
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/301—Pressure
    • F05D2270/3015—Pressure differential pressure
    • 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
    • F23D2900/00016—Preventing or reducing deposit build-up on burner parts, e.g. from carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/04—Measuring pressure
    • F23N2225/06—Measuring pressure for determining flow
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)

Abstract

Dispositif d'estimation d'un niveau de colmatage dans un système d'injection de carburant comportant au moins deux circuits de carburant, l'un à débit permanent et l'autre à débit intermittent, et un organe de répartition du carburant entre les au moins deux circuits de carburant, l'organe de répartition comportant un tiroir égaliseur de pression, caractérisé en ce qu'il comporte: - des moyens de mesure de la position courante du tiroir égaliseur de pression (51) pour le débit de carburant courant, au cours du fonctionnement du système d'injection, - des moyens de comparaison entre la position courante du tiroir égaliseur de pression pour le débit de carburant courant, et une position du tiroir égaliseur de pression, pour le débit courant, donnée par une loi déterminée avant cokéfaction dans le système d'injection de carburant.Device for estimating a level of clogging in a fuel injection system comprising at least two fuel circuits, one with a constant flow rate and one with an intermittent flow rate, and a fuel distribution member between minus two fuel circuits, the distribution member comprising a pressure equalizing spool, characterized in that it comprises: - means for measuring the current position of the pressure equalizing spool (51) for the current fuel flow, during the operation of the injection system, - means for comparing the current position of the pressure equalizing spool for the current fuel flow, and a position of the pressure equalizing spool, for the current flow, given by a given law. before coking in the fuel injection system.

FR1358457A 2013-09-04 2013-09-04 DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE Active FR3010139B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1358457A FR3010139B1 (en) 2013-09-04 2013-09-04 DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1358457 2013-09-04
FR1358457A FR3010139B1 (en) 2013-09-04 2013-09-04 DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE

Publications (2)

Publication Number Publication Date
FR3010139A1 FR3010139A1 (en) 2015-03-06
FR3010139B1 true FR3010139B1 (en) 2019-05-17

Family

ID=49551623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1358457A Active FR3010139B1 (en) 2013-09-04 2013-09-04 DEVICE AND METHOD FOR ESTIMATING CLAMPS IN A FUEL INJECTION SYSTEM IN A COMBUSTION CHAMBER OF AN ENGINE

Country Status (1)

Country Link
FR (1) FR3010139B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2891314B1 (en) * 2005-09-28 2015-04-24 Snecma INJECTOR ARM ANTI-COKEFACTION.
FR2919898B1 (en) * 2007-08-10 2014-08-22 Snecma MULTIPOINT INJECTOR FOR TURBOMACHINE
US8464740B2 (en) * 2011-06-13 2013-06-18 Honeywell International Inc. Combustor fuel control systems with flow divider assemblies

Also Published As

Publication number Publication date
FR3010139A1 (en) 2015-03-06

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