FR2936293B1 - Ensemble de soupape pour moduler le debit du carburant vers un moteur a turbine a gaz - Google Patents

Ensemble de soupape pour moduler le debit du carburant vers un moteur a turbine a gaz

Info

Publication number
FR2936293B1
FR2936293B1 FR0904069A FR0904069A FR2936293B1 FR 2936293 B1 FR2936293 B1 FR 2936293B1 FR 0904069 A FR0904069 A FR 0904069A FR 0904069 A FR0904069 A FR 0904069A FR 2936293 B1 FR2936293 B1 FR 2936293B1
Authority
FR
France
Prior art keywords
modulating
fuel
flow
gas turbine
valve assembly
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.)
Expired - Fee Related
Application number
FR0904069A
Other languages
English (en)
Other versions
FR2936293A1 (fr
Inventor
Nicholas R Overman
Jerry Lee Goeke
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.)
Collins Engine Nozzles Inc
Original Assignee
Delavan Inc
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 Delavan Inc filed Critical Delavan Inc
Publication of FR2936293A1 publication Critical patent/FR2936293A1/fr
Application granted granted Critical
Publication of FR2936293B1 publication Critical patent/FR2936293B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F23K5/142—Fuel pumps
    • 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
    • F02C7/232—Fuel valves; Draining valves or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0682—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with an articulated or pivot armature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/005—Regulating fuel supply using electrical or electromechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/14—Fuel valves electromagnetically operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/16—Fuel valves variable flow or proportional valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/18—Groups of two or more valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00—Valves, nozzles or pumps
    • F23N2235/12—Fuel valves
    • F23N2235/24—Valve details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/20—Gas turbines
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87096—Valves with separate, correlated, actuators
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
FR0904069A 2008-09-22 2009-08-27 Ensemble de soupape pour moduler le debit du carburant vers un moteur a turbine a gaz Expired - Fee Related FR2936293B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/284,380 US8162287B2 (en) 2005-12-29 2008-09-22 Valve assembly for modulating fuel flow to a gas turbine engine

Publications (2)

Publication Number Publication Date
FR2936293A1 FR2936293A1 (fr) 2010-03-26
FR2936293B1 true FR2936293B1 (fr) 2016-07-29

Family

ID=41203189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0904069A Expired - Fee Related FR2936293B1 (fr) 2008-09-22 2009-08-27 Ensemble de soupape pour moduler le debit du carburant vers un moteur a turbine a gaz

Country Status (4)

Country Link
US (1) US8162287B2 (fr)
DE (1) DE102009042117A1 (fr)
FR (1) FR2936293B1 (fr)
GB (1) GB2463559B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775052B2 (en) 2004-05-07 2010-08-17 Delavan Inc Active combustion control system for gas turbine engines
US8162287B2 (en) 2005-12-29 2012-04-24 Delavan Inc Valve assembly for modulating fuel flow to a gas turbine engine
US7665305B2 (en) * 2005-12-29 2010-02-23 Delavan Inc Valve assembly for modulating fuel flow to a gas turbine engine
US20090077945A1 (en) * 2007-08-24 2009-03-26 Delavan Inc Variable amplitude double binary valve system for active fuel control
JP2009191846A (ja) * 2008-02-12 2009-08-27 Delavan Inc ガスタービン・エンジンの燃焼安定性制御方法及び装置
US8200410B2 (en) 2008-03-12 2012-06-12 Delavan Inc Active pattern factor control for gas turbine engines
US20090277185A1 (en) * 2008-05-07 2009-11-12 Goeke Jerry L Proportional fuel pressure amplitude control in gas turbine engines
US8650880B1 (en) 2009-02-13 2014-02-18 Jansen's Aircraft Systems Controls, Inc. Active combustion control for turbine engine
US8434310B2 (en) * 2009-12-03 2013-05-07 Delavan Inc Trim valves for modulating fluid flow
US20140165576A1 (en) * 2012-12-13 2014-06-19 General Electric Company Active control fuel nozzle system
US10330321B2 (en) 2013-10-24 2019-06-25 United Technologies Corporation Circumferentially and axially staged can combustor for gas turbine engine
WO2015108583A2 (fr) 2013-10-24 2015-07-23 United Technologies Corporation Chambre de combustion annulaire étagée circonférentiellement et axialement pour chambre de combustion de moteur à turbine à gaz
CN106195345B (zh) * 2015-05-05 2018-12-07 Dh控制股份有限公司 三向控制阀
US20180163635A1 (en) * 2016-12-13 2018-06-14 Delavan Inc Fluid valves
US11396848B2 (en) 2019-07-10 2022-07-26 General Electric Company Modulating fuel for a turbine engine

Family Cites Families (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US374072A (en) * 1887-11-29 johnson
US579249A (en) * 1897-03-23 Frank w
US2468584A (en) * 1946-05-23 1949-04-26 Gen Electric Dishwashing apparatus
US2975785A (en) * 1957-09-26 1961-03-21 Bausch & Lomb Optical viewing instrument
FR1417308A (fr) * 1964-09-30 1965-11-12 Rochar Electronique Interrupteurs hydrauliques pour capteurs débitmétriques
US3532121A (en) * 1969-01-15 1970-10-06 Bell Aerospace Corp Latching valve
US3689773A (en) * 1971-02-01 1972-09-05 Bailey Miters & Controls Ltd Flame monitor system and method using multiple radiation sensors
US3762442A (en) * 1972-01-14 1973-10-02 Parker Hannifin Corp Directional control valve with portative electromagnetic latch mechanism
US3772540A (en) * 1972-07-19 1973-11-13 New Process Ind Inc Electromechanical latching actuator
DE3321028A1 (de) * 1982-06-17 1983-12-22 Smiths Industries Public Ltd. Co., London Optisches bauteil
US4709155A (en) * 1984-11-22 1987-11-24 Babcock-Hitachi Kabushiki Kaisha Flame detector for use with a burner
JPS61153075A (ja) * 1984-12-26 1986-07-11 Nippon Denso Co Ltd ロ−タリ弁切換装置
JP2690977B2 (ja) * 1988-03-18 1997-12-17 株式会社日立製作所 内燃機関用電子制御式スロットルバルブ
FR2628667A1 (fr) * 1988-03-21 1989-09-22 Donze Michel Chalumeau a gaz equipe d'un dispositif d'observation visuelle
US4976227A (en) * 1990-04-16 1990-12-11 Draper David J Internal combustion engine intake and exhaust valve control apparatus
US5051631A (en) * 1990-07-16 1991-09-24 Spx Corporation Electromagnetic solenoid valve with variable force motor
US5257496A (en) * 1992-05-05 1993-11-02 General Electric Company Combustion control for producing low NOx emissions through use of flame spectroscopy
US5242150A (en) * 1992-09-30 1993-09-07 The United States Of America As Represented By The Secretary Of The Navy Rotary hydraulic servo or throttle valve
US5499497A (en) 1993-08-06 1996-03-19 Simmonds Precision Engine Systems Temperature detector and control for an igniter
US5345757A (en) * 1993-09-20 1994-09-13 General Electric Company Combustor apparatus for use in a gas turbine engine
US5474234A (en) * 1994-03-22 1995-12-12 Caterpillar Inc. Electrically controlled fluid control valve of a fuel injector system
US5488340A (en) * 1994-05-20 1996-01-30 Caterpillar Inc. Hard magnetic valve actuator adapted for a fuel injector
US5450727A (en) 1994-05-27 1995-09-19 Hughes Aircraft Company Thermoelectric cooler controller, thermal reference source and detector
FR2726603B1 (fr) * 1994-11-09 1996-12-13 Snecma Dispositif de controle actif des instabilites de combustion et de decokefaction d'un injecteur de carburant
US5719791A (en) * 1995-03-17 1998-02-17 Georgia Tech Research Corporation Methods, apparatus and systems for real time identification and control of modes of oscillation
US5608515A (en) * 1995-04-20 1997-03-04 General Electric Company Double window for protecting optical sensors from hazardous environments
US5791889A (en) * 1996-04-26 1998-08-11 The United States Of America As Represented By The United States Department Of Energy Combustor oscillating pressure stabilization and method
US5828797A (en) * 1996-06-19 1998-10-27 Meggitt Avionics, Inc. Fiber optic linked flame sensor
US6071114A (en) 1996-06-19 2000-06-06 Meggitt Avionics, Inc. Method and apparatus for characterizing a combustion flame
JPH1082526A (ja) 1996-06-24 1998-03-31 General Electric Co <Ge> 予混合燃焼器システムにおけるフラッシュバックの発生を検出する装置
DE19628960B4 (de) * 1996-07-18 2005-06-02 Alstom Technology Ltd Temperaturmeßvorrichtung
US6058709A (en) * 1996-11-06 2000-05-09 The United States Of America Represented By The United States Department Of Energy Dynamically balanced fuel nozzle and method of operation
US5809769A (en) * 1996-11-06 1998-09-22 The United States Of America As Represented By The United States Department Of Energy Combustor oscillation attenuation via the control of fuel-supply line dynamics
US5857320A (en) * 1996-11-12 1999-01-12 Westinghouse Electric Corporation Combustor with flashback arresting system
DE19704540C1 (de) * 1997-02-06 1998-07-23 Siemens Ag Verfahren zur aktiven Dämpfung einer Verbrennungsschwingung und Verbrennungsvorrichtung
US6059560A (en) * 1997-03-04 2000-05-09 The United States Of America As Represented By The United States Department Of Energy Periodic equivalence ratio modulation method and apparatus for controlling combustion instability
US5961314A (en) * 1997-05-06 1999-10-05 Rosemount Aerospace Inc. Apparatus for detecting flame conditions in combustion systems
US6599028B1 (en) * 1997-06-17 2003-07-29 General Electric Company Fiber optic sensors for gas turbine control
US6125884A (en) * 1997-10-15 2000-10-03 Hughes; Richard E. Process sampling selection valves
EP0926325A3 (fr) 1997-12-23 2001-04-25 United Technologies Corporation Dispositif pour une chambre de combustion à combustible liquide
GB2342504B (en) 1998-10-08 2003-04-23 Wladyslaw Wygnanski Magnetic drives
US6264439B1 (en) * 1998-06-18 2001-07-24 Wilson Greatbatch Ltd. Low power electromagnetic pump
UA67804C2 (uk) * 1998-10-02 2004-07-15 Роналд Нортедж Клапан
JP4359395B2 (ja) * 1998-10-08 2009-11-04 カムコン・リミテッド 磁気駆動装置
GB2380064B (en) 1998-10-08 2003-05-14 Camcon Ltd Magnetic drives
US6205765B1 (en) * 1999-10-06 2001-03-27 General Electric Co. Apparatus and method for active control of oscillations in gas turbine combustors
US6688534B2 (en) * 2001-03-07 2004-02-10 Delavan Inc Air assist fuel nozzle
AT5153U1 (de) * 2001-03-22 2002-03-25 Avl List Gmbh Optischer sensor zur erfassung von verbrennungsvorgängen
GB0109975D0 (en) 2001-04-24 2001-06-13 Camcon Ltd Electromagnetically operated valve
US6566158B2 (en) * 2001-08-17 2003-05-20 Rosemount Aerospace Inc. Method of preparing a semiconductor using ion implantation in a SiC layer
US6640548B2 (en) * 2001-09-26 2003-11-04 Siemens Westinghouse Power Corporation Apparatus and method for combusting low quality fuel
US6672071B2 (en) * 2001-09-27 2004-01-06 General Electric Company Methods for operating gas turbine engines
US6543232B1 (en) * 2001-09-27 2003-04-08 United Technologies Corporation Valve assembly for use in a gas fuel nozzle
WO2003042612A2 (fr) * 2001-11-13 2003-05-22 Barton John C Distributeur de boissons/glaçons automatique, sans contact, a fibre optique
US7137613B2 (en) * 2002-02-28 2006-11-21 Jansen's Aircraft Systems Controls, Inc. Pattern factor control valve
US6918569B2 (en) * 2002-02-28 2005-07-19 Jansen's Aircraft Systems Controls, Inc. Active combustion fuel valve
CN100380037C (zh) 2002-05-31 2008-04-09 坎姆康有限公司 枢转的电磁致动器以及集成的致动器和流体流动控制阀
US7252114B2 (en) * 2003-05-30 2007-08-07 Camcon Limited Electromagnetic fluid flow control valve
JP2005155590A (ja) * 2003-10-30 2005-06-16 Mitsubishi Heavy Ind Ltd ガスタービン制御装置、ガスタービンシステム、ガスタービンの制御方法
US7188465B2 (en) 2003-11-10 2007-03-13 General Electric Company Method and apparatus for actuating fuel trim valves in a gas turbine
US7007661B2 (en) * 2004-01-27 2006-03-07 Woodward Governor Company Method and apparatus for controlling micro pilot fuel injection to minimize NOx and UHC emissions
US7775052B2 (en) * 2004-05-07 2010-08-17 Delavan Inc Active combustion control system for gas turbine engines
US7484369B2 (en) * 2004-05-07 2009-02-03 Rosemount Aerospace Inc. Apparatus for observing combustion conditions in a gas turbine engine
US7334413B2 (en) * 2004-05-07 2008-02-26 Rosemount Aerospace Inc. Apparatus, system and method for observing combustion conditions in a gas turbine engine
US6928878B1 (en) * 2004-09-28 2005-08-16 Rosemount Aerospace Inc. Pressure sensor
US7269939B2 (en) * 2004-11-24 2007-09-18 General Electric Company Method and apparatus for automatically actuating fuel trim valves in a gas
US7406820B2 (en) * 2005-03-25 2008-08-05 Honeywell International Inc. System and method for turbine engine adaptive control for mitigation of instabilities
US8162287B2 (en) 2005-12-29 2012-04-24 Delavan Inc Valve assembly for modulating fuel flow to a gas turbine engine
US7665305B2 (en) * 2005-12-29 2010-02-23 Delavan Inc Valve assembly for modulating fuel flow to a gas turbine engine
US9568197B2 (en) * 2007-07-09 2017-02-14 United Technologies Corporation Integrated fuel nozzle with feedback control for a gas turbine engine
US7603915B2 (en) * 2007-08-23 2009-10-20 Rosemount Aerospace Inc. Force balanced impeller flow meter for mass flow rate control
US20090077945A1 (en) * 2007-08-24 2009-03-26 Delavan Inc Variable amplitude double binary valve system for active fuel control

Also Published As

Publication number Publication date
GB0915455D0 (en) 2009-10-07
DE102009042117A1 (de) 2010-04-01
GB2463559B (en) 2013-03-27
US8162287B2 (en) 2012-04-24
FR2936293A1 (fr) 2010-03-26
GB2463559A (en) 2010-03-24
US20090026398A1 (en) 2009-01-29

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