FR2774455B1 - Systeme de combustion pour moteur a turbine a gaz et son procede de mise en oeuvre - Google Patents
Systeme de combustion pour moteur a turbine a gaz et son procede de mise en oeuvreInfo
- Publication number
- FR2774455B1 FR2774455B1 FR9901039A FR9901039A FR2774455B1 FR 2774455 B1 FR2774455 B1 FR 2774455B1 FR 9901039 A FR9901039 A FR 9901039A FR 9901039 A FR9901039 A FR 9901039A FR 2774455 B1 FR2774455 B1 FR 2774455B1
- Authority
- FR
- France
- Prior art keywords
- gas turbine
- turbine engine
- implementation method
- combustion system
- combustion
- 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 - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
- F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/76—Protecting flame and burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- 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
- F23R3/36—Supply of different fuels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2202/00—Fluegas recirculation
- F23C2202/40—Inducing local whirls around flame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2206/00—Burners for specific applications
- F23D2206/10—Turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2214/00—Cooling
-
- 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
- F23D2900/00015—Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9802021A GB2333832A (en) | 1998-01-31 | 1998-01-31 | Multi-fuel gas turbine engine combustor |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2774455A1 FR2774455A1 (fr) | 1999-08-06 |
FR2774455B1 true FR2774455B1 (fr) | 2000-11-24 |
Family
ID=10826176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9901039A Expired - Lifetime FR2774455B1 (fr) | 1998-01-31 | 1999-01-29 | Systeme de combustion pour moteur a turbine a gaz et son procede de mise en oeuvre |
Country Status (6)
Country | Link |
---|---|
US (1) | US6532726B2 (fr) |
JP (2) | JPH11257100A (fr) |
DE (1) | DE19903770B4 (fr) |
FR (1) | FR2774455B1 (fr) |
GB (2) | GB2333832A (fr) |
IT (1) | IT1307122B1 (fr) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10064893A1 (de) * | 2000-12-23 | 2002-11-14 | Alstom Switzerland Ltd | Brenner mit gestufter Brennstoffeindüsung |
US6427447B1 (en) * | 2001-02-06 | 2002-08-06 | United Technologies Corporation | Bulkhead for dual fuel industrial and aeroengine gas turbines |
SE521293C2 (sv) * | 2001-02-06 | 2003-10-21 | Volvo Aero Corp | Förfarande och anordning för tillförsel av bränsle till en brännkammare |
FR2824625B1 (fr) * | 2001-05-10 | 2003-08-15 | Inst Francais Du Petrole | Dispositif et procede d'injection d'un combustible liquide dans un flux d'air pour une chambre de combustion |
US6968692B2 (en) * | 2002-04-26 | 2005-11-29 | Rolls-Royce Corporation | Fuel premixing module for gas turbine engine combustor |
DE50313028D1 (de) * | 2002-05-02 | 2010-10-14 | Alstom Technology Ltd | Katalytischer Brenner |
GB0230070D0 (en) * | 2002-12-23 | 2003-01-29 | Bowman Power Systems Ltd | A combustion device |
US6935116B2 (en) * | 2003-04-28 | 2005-08-30 | Power Systems Mfg., Llc | Flamesheet combustor |
US6986254B2 (en) * | 2003-05-14 | 2006-01-17 | Power Systems Mfg, Llc | Method of operating a flamesheet combustor |
DE10348604A1 (de) * | 2003-10-20 | 2005-07-28 | Rolls-Royce Deutschland Ltd & Co Kg | Kraftstoffeinspritzdüse mit filmartiger Kraftstoffplatzierung |
US8104285B2 (en) * | 2005-09-30 | 2012-01-31 | Ansaldo Energia S.P.A. | Gas turbine equipped with a gas burner and axial swirler for the burner |
GB2432655A (en) * | 2005-11-26 | 2007-05-30 | Siemens Ag | Combustion apparatus |
US7640725B2 (en) * | 2006-01-12 | 2010-01-05 | Siemens Energy, Inc. | Pilot fuel flow tuning for gas turbine combustors |
EP1835231A1 (fr) * | 2006-03-13 | 2007-09-19 | Siemens Aktiengesellschaft | Brûleur pour une chambre de combustion de turbine à gaz et procédé d'opération du brûleur |
EP1835229A1 (fr) | 2006-03-13 | 2007-09-19 | Siemens Aktiengesellschaft | Chambre de combustion et procédé pour son fonctionnement |
US7690203B2 (en) * | 2006-03-17 | 2010-04-06 | Siemens Energy, Inc. | Removable diffusion stage for gas turbine engine fuel nozzle assemblages |
EP1843098A1 (fr) * | 2006-04-07 | 2007-10-10 | Siemens Aktiengesellschaft | Chambre de combustion pour turbine à gaz |
US7631500B2 (en) * | 2006-09-29 | 2009-12-15 | General Electric Company | Methods and apparatus to facilitate decreasing combustor acoustics |
GB2444737B (en) * | 2006-12-13 | 2009-03-04 | Siemens Ag | Improvements in or relating to burners for a gas turbine engine |
EP1970629A1 (fr) * | 2007-03-15 | 2008-09-17 | Siemens Aktiengesellschaft | Alimentation étagée pour un brûleur |
DE102007043626A1 (de) | 2007-09-13 | 2009-03-19 | Rolls-Royce Deutschland Ltd & Co Kg | Gasturbinenmagerbrenner mit Kraftstoffdüse mit kontrollierter Kraftstoffinhomogenität |
GB2454247A (en) * | 2007-11-02 | 2009-05-06 | Siemens Ag | A Combustor for a Gas-Turbine Engine Has a Burner Head with Fuel Delivered at a Compound Angle |
US7617684B2 (en) * | 2007-11-13 | 2009-11-17 | Opra Technologies B.V. | Impingement cooled can combustor |
GB2455289B (en) * | 2007-12-03 | 2010-04-07 | Siemens Ag | Improvements in or relating to burners for a gas-turbine engine |
US20090165435A1 (en) * | 2008-01-02 | 2009-07-02 | Michal Koranek | Dual fuel can combustor with automatic liquid fuel purge |
US8096132B2 (en) * | 2008-02-20 | 2012-01-17 | Flexenergy Energy Systems, Inc. | Air-cooled swirlerhead |
US20090241547A1 (en) * | 2008-03-31 | 2009-10-01 | Andrew Luts | Gas turbine fuel injector for lower heating capacity fuels |
EP2107313A1 (fr) * | 2008-04-01 | 2009-10-07 | Siemens Aktiengesellschaft | Alimentation étagée de combustible dans un brûleur |
DE102008019117A1 (de) * | 2008-04-16 | 2009-10-22 | Man Turbo Ag | Verfahren zum Betreiben eines Vormischbrenners und ein Vormischbrenner zur Durchführung des Verfahrens |
EP2112433A1 (fr) * | 2008-04-23 | 2009-10-28 | Siemens Aktiengesellschaft | Chambre de mélange |
EP2169312A1 (fr) * | 2008-09-25 | 2010-03-31 | Siemens Aktiengesellschaft | Agitateur à gradins pour contrôle dynamique |
US8220270B2 (en) * | 2008-10-31 | 2012-07-17 | General Electric Company | Method and apparatus for affecting a recirculation zone in a cross flow |
US8453425B2 (en) * | 2009-01-23 | 2013-06-04 | Lockheed Martin Corporation | Soot reduction by combustor conditioning |
US20100232930A1 (en) * | 2009-03-16 | 2010-09-16 | Terry Lynn Gregory | Gas turbine engine |
ATE540265T1 (de) * | 2009-04-06 | 2012-01-15 | Siemens Ag | Drallvorrichtung, brennkammer und gasturbine mit verbessertem drall |
EP2246617B1 (fr) * | 2009-04-29 | 2017-04-19 | Siemens Aktiengesellschaft | Brûleur pour moteur de turbine à gaz |
US8607570B2 (en) * | 2009-05-06 | 2013-12-17 | General Electric Company | Airblown syngas fuel nozzle with diluent openings |
US20100281872A1 (en) * | 2009-05-06 | 2010-11-11 | Mark Allan Hadley | Airblown Syngas Fuel Nozzle With Diluent Openings |
US20100281869A1 (en) * | 2009-05-06 | 2010-11-11 | Mark Allan Hadley | Airblown Syngas Fuel Nozzle With Diluent Openings |
WO2011018115A1 (fr) * | 2009-08-13 | 2011-02-17 | Siemens Aktiengesellschaft | Appareil de combustion |
EP2327933A1 (fr) * | 2009-11-30 | 2011-06-01 | Siemens Aktiengesellschaft | Agencement de brûleur |
DE102009054669A1 (de) * | 2009-12-15 | 2011-06-16 | Man Diesel & Turbo Se | Brenner für eine Turbine |
US8650851B2 (en) * | 2010-01-05 | 2014-02-18 | General Electric Company | Systems and methods for controlling fuel flow within a machine |
EP2400222A1 (fr) * | 2010-06-28 | 2011-12-28 | Siemens Aktiengesellschaft | Appareil de combustion |
US8511092B2 (en) * | 2010-08-13 | 2013-08-20 | General Electric Company | Dimpled/grooved face on a fuel injection nozzle body for flame stabilization and related method |
EP2489939A1 (fr) | 2011-02-18 | 2012-08-22 | Siemens Aktiengesellschaft | Chambre de combustion dotée d'une section de paroi et d'un élément de bord |
GB201106116D0 (en) * | 2011-04-12 | 2011-05-25 | Rolls Royce Plc | Fuel supply arrangement |
US20120282558A1 (en) * | 2011-05-05 | 2012-11-08 | General Electric Company | Combustor nozzle and method for supplying fuel to a combustor |
ITMI20111576A1 (it) * | 2011-09-02 | 2013-03-03 | Alstom Technology Ltd | Metodo per commutare un dispositivo di combustione |
US9279370B2 (en) | 2011-10-28 | 2016-03-08 | General Electric Company | Turbomachine and method of operating a turbomachine to perform a fuel change over at a high load |
EP2629008A1 (fr) * | 2012-02-15 | 2013-08-21 | Siemens Aktiengesellschaft | Injection de carburant inclinée dans une fente de tourbillonnement |
JP5924066B2 (ja) * | 2012-03-27 | 2016-05-25 | いすゞ自動車株式会社 | ディーゼルエンジンの始動装置及び始動方法 |
WO2013147632A1 (fr) * | 2012-03-29 | 2013-10-03 | General Electric Company | Capot d'extrémité bidirectionnelle à capacité d'extraction pour dispositif combustor de turbine à gaz |
US9212609B2 (en) | 2012-11-20 | 2015-12-15 | Solar Turbines Incoporated | Combination air assist and pilot gaseous fuel circuit |
EP2743581A1 (fr) * | 2012-12-11 | 2014-06-18 | Siemens Aktiengesellschaft | Injection de carburant à air dirigé |
EP2772689A1 (fr) * | 2013-02-27 | 2014-09-03 | Siemens Aktiengesellschaft | Tir laser supplémentaire pour la stabilité de combustion |
DE102013016202A1 (de) * | 2013-09-28 | 2015-04-02 | Dürr Systems GmbH | "Brennerkopf eines Brenners und Gasturbine mit einem solchen Brenner" |
JP6366259B2 (ja) * | 2013-11-18 | 2018-08-01 | 三菱日立パワーシステムズ株式会社 | 2軸ガスタービンの制御装置及び制御方法 |
EP2905535A1 (fr) | 2014-02-06 | 2015-08-12 | Siemens Aktiengesellschaft | Chambre à combustion |
WO2015121063A1 (fr) * | 2014-02-11 | 2015-08-20 | Siemens Aktiengesellschaft | Coupelle de turbulence pour brûleur de turbine à gaz |
EP2942563A1 (fr) | 2014-05-09 | 2015-11-11 | Siemens Aktiengesellschaft | Élément de tourbillonnement d'un brûleur de moteur de turbine à gaz, brûleur de moteur de turbine à gaz et moteur de turbine à gaz |
JP6325930B2 (ja) * | 2014-07-24 | 2018-05-16 | 三菱日立パワーシステムズ株式会社 | ガスタービン燃焼器 |
EP3317585B1 (fr) * | 2015-06-30 | 2021-08-04 | H2 Ip Uk Limited | Ensemble de cartouche de combustible pour une turbine à gaz |
EP3184898A1 (fr) * | 2015-12-23 | 2017-06-28 | Siemens Aktiengesellschaft | Chambre de combustion pour turbine à gaz |
US10502425B2 (en) * | 2016-06-03 | 2019-12-10 | General Electric Company | Contoured shroud swirling pre-mix fuel injector assembly |
EP3301374A1 (fr) * | 2016-09-29 | 2018-04-04 | Siemens Aktiengesellschaft | Ensemble de bruleur pilote dote d'une alimentation d'air pilote |
JP6779097B2 (ja) * | 2016-10-24 | 2020-11-04 | 三菱パワー株式会社 | ガスタービン燃焼器及びその運転方法 |
DE102017114362A1 (de) * | 2017-06-28 | 2019-01-03 | Man Diesel & Turbo Se | Brennkammer einer Gasturbine, Gasturbine und Verfahren zum Betreiben derselben |
DE102018112540A1 (de) * | 2018-05-25 | 2019-11-28 | Kueppers Solutions Gmbh | Brennstoffdüsensystem |
US11149941B2 (en) * | 2018-12-14 | 2021-10-19 | Delavan Inc. | Multipoint fuel injection for radial in-flow swirl premix gas fuel injectors |
US20210207541A1 (en) * | 2020-01-08 | 2021-07-08 | United Technologies Corporation | Method of using a primary fuel to pilot liquid fueled combustors |
US11326521B2 (en) * | 2020-06-30 | 2022-05-10 | General Electric Company | Methods of igniting liquid fuel in a turbomachine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB217993A (en) * | 1923-03-26 | 1924-06-26 | Thomas Crane | Improvements in tobacco pipes |
CA1178452A (fr) * | 1981-07-23 | 1984-11-27 | Robie L. Faulkner | Turbines a gaz |
DE3241162A1 (de) | 1982-11-08 | 1984-05-10 | Kraftwerk Union AG, 4330 Mülheim | Vormischbrenner mit integriertem diffusionsbrenner |
GB2175993B (en) * | 1985-06-07 | 1988-12-21 | Rolls Royce | Improvements in or relating to dual fuel injectors |
JP2758301B2 (ja) * | 1991-11-29 | 1998-05-28 | 株式会社東芝 | ガスタービン燃焼器 |
US5359847B1 (en) * | 1993-06-01 | 1996-04-09 | Westinghouse Electric Corp | Dual fuel ultra-flow nox combustor |
US5404711A (en) * | 1993-06-10 | 1995-04-11 | Solar Turbines Incorporated | Dual fuel injector nozzle for use with a gas turbine engine |
US5450724A (en) | 1993-08-27 | 1995-09-19 | Northern Research & Engineering Corporation | Gas turbine apparatus including fuel and air mixer |
GB2297151B (en) * | 1995-01-13 | 1998-04-22 | Europ Gas Turbines Ltd | Fuel injector arrangement for gas-or liquid-fuelled turbine |
DE69617290T2 (de) * | 1995-01-13 | 2002-06-13 | European Gas Turbines Ltd., Lincoln | Verbrennungsgerät für Gasturbinenmotor |
-
1998
- 1998-01-31 GB GB9802021A patent/GB2333832A/en not_active Withdrawn
-
1999
- 1999-01-19 JP JP11010087A patent/JPH11257100A/ja active Pending
- 1999-01-28 GB GB9901797A patent/GB2336663B/en not_active Expired - Lifetime
- 1999-01-29 US US09/240,245 patent/US6532726B2/en not_active Expired - Lifetime
- 1999-01-29 JP JP02132699A patent/JP4346724B2/ja not_active Expired - Lifetime
- 1999-01-29 IT IT1999TO000062A patent/IT1307122B1/it active
- 1999-01-29 FR FR9901039A patent/FR2774455B1/fr not_active Expired - Lifetime
- 1999-01-30 DE DE19903770A patent/DE19903770B4/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP4346724B2 (ja) | 2009-10-21 |
GB2336663B (en) | 2000-10-04 |
JPH11270357A (ja) | 1999-10-05 |
GB2336663A (en) | 1999-10-27 |
IT1307122B1 (it) | 2001-10-29 |
GB9901797D0 (en) | 1999-03-17 |
DE19903770A1 (de) | 1999-09-23 |
FR2774455A1 (fr) | 1999-08-06 |
US6532726B2 (en) | 2003-03-18 |
GB9802021D0 (en) | 1998-03-25 |
ITTO990062A1 (it) | 2000-07-29 |
JPH11257100A (ja) | 1999-09-21 |
US20010027637A1 (en) | 2001-10-11 |
DE19903770B4 (de) | 2009-11-12 |
GB2333832A (en) | 1999-08-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2774455B1 (fr) | Systeme de combustion pour moteur a turbine a gaz et son procede de mise en oeuvre | |
FR2741385B1 (fr) | Procede de mise en oeuvre d'un moteur diesel | |
GB2348090B (en) | A system and method for controlling an internal combustion engine | |
GB2339032B (en) | Apparatus for controlling a fuel system of an internal combustion engine | |
FR2777039B1 (fr) | Systeme de purification de gaz d'echappement pour moteur a combustion interne | |
FR2730011B1 (fr) | Moteur a combustion interne a plusieurs cylindres a turbocompresseur avec reinjection des gaz d'echappement et procede pour la mise en oeuvre d'un tel moteur a combustion interne | |
FR2722533B1 (fr) | Systeme de recyclage des gaz d'echappement pour un moteur a combustion interne | |
GB2368144B (en) | A control system and method for shutting down an internal combustion engine | |
FR2830287B1 (fr) | Procede et moyens pour la mise en oeuvre d'un moteur a combustion interne | |
FR2771137B1 (fr) | Procede de commande d'un turbocompresseur a gaz d'echappement de suralimentation a geometrie de turbine variable | |
EP0969190A4 (fr) | Procede et appareil de regulation du refroidissement pour moteurs a combustion interne | |
GB2339307B (en) | Method for operating an internal combustion engine | |
FR2719082B1 (fr) | Procédé de refroidissement des gaz d'échappement d'un moteur Diesel, et dispositif pour la mise en Óoeuvre dudit procédé. | |
EP0723805A3 (fr) | Procédé pour la purification de gaz de combustion | |
FR2752440B1 (fr) | Systeme de refroidissement pour un moteur a combustion interne | |
FR2745033B1 (fr) | Systeme de refroidissement pour un moteur a combustion interne | |
DK111996A (da) | Cylindersmøreenhed til en flercylindret forbrændingsmotor, og fremgangsmåde til styring af leveringsmængden fra en cylindersmøreenhed | |
AU2001296340A1 (en) | Computerized system and method for synchronizing engine speed of a plurality of internal combustion engines | |
FR2771774B1 (fr) | Procede de surveillance du systeme d'epuration des gaz d'echappement d'un moteur a combustion interne a allumage exterieur | |
GB9919141D0 (en) | Method and apparatus for rejecting waste heat from a system including a combustion engine | |
GB2274681B (en) | Method for operation of an exhaust system for an internal combustion engine and exhaust system therefor | |
FR2831923B1 (fr) | Systeme et procede de purification de gaz d'echappement destines a un moteur a combustion interne | |
DE59811055D1 (de) | Verfahren zur Synchronisation einer mehrzylindrigen Brennkraftmaschine | |
FR2796986B1 (fr) | Systeme et procede de traitement des gaz d'echappement d'un moteur a combustion | |
FR2795453B1 (fr) | Procede de mise en oeuvre d'un moteur a combustion interne |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 17 |
|
TP | Transmission of property |
Owner name: SIEMENS AKTIENGESELLSCHAFT, DE Effective date: 20151130 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
PLFP | Fee payment |
Year of fee payment: 19 |
|
PLFP | Fee payment |
Year of fee payment: 20 |