CN102959206B - 燃气轮机燃烧器的燃料供给系统及燃气轮机燃烧器的燃料供给方法 - Google Patents
燃气轮机燃烧器的燃料供给系统及燃气轮机燃烧器的燃料供给方法 Download PDFInfo
- Publication number
- CN102959206B CN102959206B CN201180031424.9A CN201180031424A CN102959206B CN 102959206 B CN102959206 B CN 102959206B CN 201180031424 A CN201180031424 A CN 201180031424A CN 102959206 B CN102959206 B CN 102959206B
- Authority
- CN
- China
- Prior art keywords
- gas turbine
- supply system
- fuel supply
- fuel
- valve
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 182
- 238000000034 method Methods 0.000 title claims description 19
- 238000004140 cleaning Methods 0.000 claims description 44
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 156
- 239000000571 coke Substances 0.000 abstract description 16
- 230000000903 blocking effect Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/26—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C3/28—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension using a separate gas producer for gasifying the fuel before combustion
-
- 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
-
- 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
- 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
- F02C7/26—Starting; Ignition
-
- 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
- F02C9/32—Control of fuel supply characterised by throttling of fuel
- F02C9/34—Joint control of separate flows to main and auxiliary burners
-
- 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
- F02C9/40—Control of fuel supply specially adapted to the use of a special fuel or a plurality of fuels
-
- 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
- F23K5/002—Gaseous 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
-
- 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
- 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
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/75—Application in combination with equipment using fuel having a low calorific value, e.g. low BTU fuel, waste end, syngas, biomass fuel or flare gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2400/00—Pretreatment and supply of gaseous fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/08—Controlling two or more different types of fuel simultaneously
-
- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00002—Gas turbine combustors adapted for fuels having low heating value [LHV]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010184794A JP5529676B2 (ja) | 2010-08-20 | 2010-08-20 | ガスタービン燃焼器の燃料供給系統およびガスタービン燃焼器の燃料供給方法 |
JP2010-184794 | 2010-08-20 | ||
PCT/JP2011/055307 WO2012023302A1 (ja) | 2010-08-20 | 2011-03-08 | ガスタービン燃焼器の燃料供給系統およびガスタービン燃焼器の燃料供給方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102959206A CN102959206A (zh) | 2013-03-06 |
CN102959206B true CN102959206B (zh) | 2015-04-01 |
Family
ID=45592970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180031424.9A Active CN102959206B (zh) | 2010-08-20 | 2011-03-08 | 燃气轮机燃烧器的燃料供给系统及燃气轮机燃烧器的燃料供给方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9222414B2 (zh) |
EP (1) | EP2607669B1 (zh) |
JP (1) | JP5529676B2 (zh) |
KR (1) | KR101398381B1 (zh) |
CN (1) | CN102959206B (zh) |
WO (1) | WO2012023302A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2551470A1 (de) * | 2011-07-26 | 2013-01-30 | Siemens Aktiengesellschaft | Verfahren zum Hochfahren einer stationären Gasturbine |
US20140000274A1 (en) * | 2012-06-29 | 2014-01-02 | Ram Srinivasan | Methods and apparatus for co-firing fuel |
US10107190B2 (en) | 2012-11-21 | 2018-10-23 | Mitsubishi Hitachi Power Systems, Ltd. | Power generation system, driving method for power generation system, and combustor |
CN103277197B (zh) * | 2013-03-09 | 2015-05-13 | 马钢(集团)控股有限公司 | 一种燃气轮机发电机组低热值燃烧控制方法 |
CN104075344B (zh) * | 2013-03-25 | 2016-07-06 | 通用电气公司 | 用低热值燃料启动和运作燃气轮机的燃料喷嘴系统和方法 |
AU2015233563B2 (en) | 2014-03-18 | 2018-11-01 | Nuovo Pignone Srl | Method for starting a gas turbine |
FR3019583B1 (fr) * | 2014-04-08 | 2019-09-13 | Safran Aircraft Engines | Isolation d'un reservoir de fluide combustible relativement a une partie aval de systeme d'alimentation pour turbomachine en cas d'incendie |
US10012148B2 (en) * | 2014-05-23 | 2018-07-03 | General Electric Company | Method of purging a combustor |
JP6285807B2 (ja) * | 2014-06-04 | 2018-02-28 | 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 |
CN104727946B (zh) * | 2015-01-04 | 2018-10-16 | 北京华清燃气轮机与煤气化联合循环工程技术有限公司 | 燃气轮机多燃料燃烧室燃料切换装置及其控制方法 |
KR102514594B1 (ko) | 2015-08-13 | 2023-03-27 | 삼성전자주식회사 | 유연한 전기화학소자용 외장 포장재 및 이를 포함하는 전기화학소자 |
US11603794B2 (en) | 2015-12-30 | 2023-03-14 | Leonard Morgensen Andersen | Method and apparatus for increasing useful energy/thrust of a gas turbine engine by one or more rotating fluid moving (agitator) pieces due to formation of a defined steam region |
US11459959B2 (en) | 2016-09-16 | 2022-10-04 | General Electric Company | Method for starting a gas turbine |
US20210207541A1 (en) * | 2020-01-08 | 2021-07-08 | United Technologies Corporation | Method of using a primary fuel to pilot liquid fueled combustors |
JP7337005B2 (ja) * | 2020-02-26 | 2023-09-01 | 三菱重工業株式会社 | ガスタービンプラント |
WO2024084922A1 (ja) * | 2022-10-17 | 2024-04-25 | 三菱重工業株式会社 | ガスタービン制御装置、ガスタービン制御方法、及び、ガスタービン制御プログラム |
JP7458541B1 (ja) | 2023-08-04 | 2024-03-29 | 三菱重工業株式会社 | ガスタービン制御装置、ガスタービン制御方法、及び、ガスタービン改造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385960B1 (en) * | 1999-10-14 | 2002-05-14 | General Electric Company | Methods and apparatus for operation of gas turbines |
CN101526217A (zh) * | 2008-03-05 | 2009-09-09 | 株式会社日立制作所 | 燃气轮机及燃烧器的燃料供给方法 |
CN101793197A (zh) * | 2009-01-07 | 2010-08-04 | 通用电气公司 | 用于控制低能量燃料的热值的方法和设备 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833878A (en) * | 1987-04-09 | 1989-05-30 | Solar Turbines Incorporated | Wide range gaseous fuel combustion system for gas turbine engines |
JPH07102998A (ja) | 1993-10-05 | 1995-04-18 | Mitsubishi Heavy Ind Ltd | ガスタービンの燃料供給制御方法 |
JP3110300B2 (ja) | 1995-11-27 | 2000-11-20 | 三菱重工業株式会社 | 燃焼器 |
DE19549141A1 (de) * | 1995-12-29 | 1997-07-03 | Asea Brown Boveri | Verfahren zum Betrieb einer Gasturbogruppe mit niederkalorischem Brennstoff |
JP3788071B2 (ja) * | 1997-11-04 | 2006-06-21 | 株式会社日立製作所 | ガスタービン |
EP0915242B1 (en) * | 1997-11-04 | 2003-09-03 | Hitachi, Ltd. | Gas turbine |
EP1277920A1 (de) * | 2001-07-19 | 2003-01-22 | Siemens Aktiengesellschaft | Verfahren zum Betrieb eines Brenners einer Gasturbine sowie Kraftwerksanlage |
US6640548B2 (en) * | 2001-09-26 | 2003-11-04 | Siemens Westinghouse Power Corporation | Apparatus and method for combusting low quality fuel |
JP4206908B2 (ja) | 2003-11-14 | 2009-01-14 | 株式会社日立製作所 | ガスタービン燃焼器 |
JP2006125255A (ja) * | 2004-10-27 | 2006-05-18 | Ebara Corp | ガスタービン装置およびガスタービン発電システム |
JP2006161603A (ja) | 2004-12-03 | 2006-06-22 | Ebara Corp | ガスタービン装置およびガスタービン発電システム |
US8375696B2 (en) | 2008-05-05 | 2013-02-19 | General Electric Company | Independent manifold dual gas turbine fuel system |
US7921651B2 (en) * | 2008-05-05 | 2011-04-12 | General Electric Company | Operation of dual gas turbine fuel system |
US8438830B2 (en) * | 2008-05-05 | 2013-05-14 | General Electric Company | Primary manifold dual gas turbine fuel system |
US8381506B2 (en) * | 2009-03-10 | 2013-02-26 | General Electric Company | Low heating value fuel gas blending control |
-
2010
- 2010-08-20 JP JP2010184794A patent/JP5529676B2/ja active Active
-
2011
- 2011-03-08 KR KR1020127031141A patent/KR101398381B1/ko active IP Right Grant
- 2011-03-08 WO PCT/JP2011/055307 patent/WO2012023302A1/ja active Application Filing
- 2011-03-08 EP EP11817951.4A patent/EP2607669B1/en active Active
- 2011-03-08 CN CN201180031424.9A patent/CN102959206B/zh active Active
- 2011-03-29 US US13/064,509 patent/US9222414B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385960B1 (en) * | 1999-10-14 | 2002-05-14 | General Electric Company | Methods and apparatus for operation of gas turbines |
CN101526217A (zh) * | 2008-03-05 | 2009-09-09 | 株式会社日立制作所 | 燃气轮机及燃烧器的燃料供给方法 |
CN101793197A (zh) * | 2009-01-07 | 2010-08-04 | 通用电气公司 | 用于控制低能量燃料的热值的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
EP2607669A4 (en) | 2014-12-17 |
JP5529676B2 (ja) | 2014-06-25 |
WO2012023302A1 (ja) | 2012-02-23 |
EP2607669B1 (en) | 2016-10-19 |
US9222414B2 (en) | 2015-12-29 |
EP2607669A1 (en) | 2013-06-26 |
CN102959206A (zh) | 2013-03-06 |
JP2012041882A (ja) | 2012-03-01 |
KR101398381B1 (ko) | 2014-05-23 |
US20120042658A1 (en) | 2012-02-23 |
KR20130002357A (ko) | 2013-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102959206B (zh) | 燃气轮机燃烧器的燃料供给系统及燃气轮机燃烧器的燃料供给方法 | |
JP4979615B2 (ja) | 燃焼器及び燃焼器の燃料供給方法 | |
US7617687B2 (en) | Methods and systems of variable extraction for gas turbine control | |
US6779346B2 (en) | Control of gas turbine combustion temperature by compressor bleed air | |
US7712317B2 (en) | Flow control systems | |
CN104373219A (zh) | 具有改进部分负载排放性能的燃气涡轮 | |
US10066632B2 (en) | Inlet bleed heat control system | |
EP1411226A1 (en) | Gas turbine engine control system | |
US20090223201A1 (en) | Methods of Injecting Diluent Into A Gas Turbine Assembly | |
WO2015022378A1 (en) | Purge system and method for a gas turbine | |
US8047005B2 (en) | Water injection manifold pressure relief vent | |
CN105986903A (zh) | 具有产生过量空气流的压缩机和涡轮膨胀器的发电系统 | |
US9279365B2 (en) | Power augmentation systems and methods for grid frequency control | |
US20200102913A1 (en) | Auxiliary device for three air flow path gas turbine engine | |
CN102767431A (zh) | 用于运行带有废气再循环的燃气轮机发电装置的方法 | |
CN104919159B (zh) | 燃气轮机系统、燃气轮机的燃烧器控制装置以及燃气轮机的燃烧器控制方法 | |
US20110167782A1 (en) | Systems and apparatus for a fuel control assembly for use in a gas turbine engine | |
CN216429701U (zh) | 一种基于废弃矿井的压缩空气储能及煤层瓦斯利用系统 | |
JP7349320B2 (ja) | ガスタービン装置及びその製造方法並びにガスタービン装置の運転方法 | |
CN114810358B (zh) | 燃气轮机低排放双燃料系统及其控制方法 | |
CN114110641A (zh) | 磨煤机出口粉管吹扫装置及磨煤机燃烧器投停控制方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MITSUBISHI HITACHI POWER SYSTEM LTD. Free format text: FORMER OWNER: MITSUBISHI JUKOGIO KK Effective date: 20150310 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150310 Address after: Kanagawa Patentee after: Mitsubishi Hitachi Power System Ltd. Address before: Tokyo, Japan, Japan Patentee before: Mit-subishi Heavy Industries Ltd. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa Prefecture, Japan Patentee after: Mitsubishi Power Co., Ltd Address before: Kanagawa Prefecture, Japan Patentee before: MITSUBISHI HITACHI POWER SYSTEMS, Ltd. |
|
CP01 | Change in the name or title of a patent holder |