WO2015088109A1 - 초임계유체 냉각 가스터빈 장치 - Google Patents
초임계유체 냉각 가스터빈 장치 Download PDFInfo
- Publication number
- WO2015088109A1 WO2015088109A1 PCT/KR2014/003547 KR2014003547W WO2015088109A1 WO 2015088109 A1 WO2015088109 A1 WO 2015088109A1 KR 2014003547 W KR2014003547 W KR 2014003547W WO 2015088109 A1 WO2015088109 A1 WO 2015088109A1
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- WO
- WIPO (PCT)
- Prior art keywords
- turbine
- supercritical fluid
- combustor
- gas turbine
- compressor
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 68
- 239000000112 cooling gas Substances 0.000 title claims abstract 4
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 239000000567 combustion gas Substances 0.000 claims abstract description 14
- 239000012809 cooling fluid Substances 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 71
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 48
- 238000010248 power generation Methods 0.000 claims description 36
- 239000001569 carbon dioxide Substances 0.000 claims description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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- 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
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
- F02C1/08—Semi-closed cycles
-
- 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
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- 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
- F02C7/12—Cooling of plants
-
- 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
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
-
- 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
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/08—Cooling thereof; Tube walls
-
- 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
- F23R3/005—Combined with pressure or heat exchangers
-
- 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
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/14—Refrigerants with particular properties, e.g. HFC
Definitions
- the present invention relates to a gas turbine device, and more particularly to a gas turbine device using a supercritical fluid as a cooling fluid.
- a gas turbine consists of a compressor, a combustor, and a turbine as basic elements.
- the gas turbine compresses air with a compressor and directs compressed air to the combustion chamber, where the fuel is dispersed and burned.
- the high-temperature, high-pressure gas generated at this time is blown into the turbine while expanding to rotate the turbine.
- the compressor and the turbine are directly or indirectly connected by one shaft.
- the power for operating the compressor uses 25 to 30% of the output from the turbine. Therefore, the output for rotating the generator, the propeller, etc. with the gas turbine is obtained by subtracting the output required to start the compressor from the output generated from the turbine. Referring to FIG.
- a conventional gas turbine uses compressed air for cooling high-temperature components (combustion chamber, vane, blade, casing, etc.), in which compressed air compressed by the compressor 100 is used.
- compressed cooling fluid since a part of the compressed cooling fluid is sent to the combustor 200 and the turbine 300 for cooling, there is a problem that the efficiency of the entire gas turbine is lowered compared with the case where the entire compressed air is used.
- Embodiments of the present invention provide a gas turbine device having a compressor for compressing air, a combustor for burning fuel and air discharged from the compressor, and a turbine driven by a combustion gas discharged from the combustor, wherein the combustor and the turbine And a supercritical fluid, which is not compressed air compressed by a compressor, is flowed as a cooling fluid to cool the combustor and the turbine to improve the efficiency of the gas turbine.
- the outlet of the supercritical fluid compressor is connected to the inlet of the cooling channel of the gas turbine unit and the inlet of the supercritical fluid turbine is connected to the outlet of the cooling channel of the gas turbine unit And the supercritical fluid is compressed in the supercritical fluid compressor, heated through the cooling passage, and supplied to the supercritical fluid turbine for additional power generation.
- carbon dioxide is captured from the exhaust gas discharged from the gas turbine as a combustion gas and used as supercritical fluid to prevent environmental problems.
- a compressor (100) for compressing air a combustor (200) for burning fuel and air discharged from the compressor (100), and a turbine (200) and a turbine (300) are provided with a cooling channel (400), and the supercritical fluid is flowed as a cooling fluid into the cooling channel (400) ) And the turbine (300) are cooled.
- the turbine 300 may further include a carbon dioxide collecting unit for collecting carbon dioxide from the exhaust gas discharged from the turbine 300 driven by the combustion gas.
- the supercritical fluid may be carbon dioxide.
- a compressor 100 for compressing air a combustor 200 for burning fuel and air discharged from the compressor 100, and a turbine (for example, The combustor 200 and the turbine 300 are provided with a cooling passage 400 and the supercritical fluid is flowed into the cooling passage 400 as a cooling fluid to be supplied to the combustor 200, And a main power generation gas turbine (10) for cooling the turbine (300)
- the supercritical fluid compressor 500 and the supercritical fluid turbine 600 are connected to an inlet of the supercritical fluid compressor 500 and the supercritical fluid turbine 600, The supercritical fluid is compressed in the supercritical fluid compressor 500 and heated through the cooling passage 400 to be supplied to the supercritical fluid turbine 600.
- the supercritical fluid may be carbon dioxide.
- the main power generation gas turbine 10 may further include a carbon dioxide collecting unit for collecting carbon dioxide from the exhaust gas emitted from the turbine 300 driven by the combustion gas.
- the carbon dioxide trapped by the carbon dioxide trapping unit may be cooled and supplied to the supercritical fluid compressor (500) of the sub-generation gas turbine (20).
- the sub power generation gas turbine 20 may be connected to the cooling passage 400 installed in the combustor 200 and the turbine 300, respectively.
- One sub power generation gas turbine 20 is coupled to a coupling inlet portion of the combustor 200 and an inlet of the cooling passage 400 installed in the turbine 300, .
- Embodiments of the present invention provide a gas turbine device having a compressor for compressing air, a combustor for burning fuel and air discharged from the compressor, and a turbine driven by a combustion gas discharged from the combustor, wherein the combustor and the turbine
- the efficiency of the gas turbine can be improved by cooling the combustor and the turbine by flowing a supercritical fluid, which is not compressed air compressed by the compressor, into the cooling flow path as a cooling fluid.
- the outlet of the supercritical fluid compressor is connected to the inlet of the cooling flow passage.
- the inlet of the supercritical fluid turbine is connected to the outlet of the cooling flow passage.
- the supercritical fluid compressor is connected to the outlet of the supercritical fluid compressor. Is compressed in the critical fluid compressor, heated through the cooling passage, and supplied to the supercritical fluid turbine to further generate electricity.
- FIG. 1 shows a method of cooling a combustor and a turbine in a conventional gas turbine.
- FIG. 2 illustrates a method of cooling a combustor and a turbine using a supercritical fluid according to an embodiment of the present invention.
- FIG 3 illustrates a power generation system using a main power generation gas turbine and a sub power generation gas turbine according to an embodiment of the present invention.
- FIG. 4 illustrates a power generation system using a main power generation gas turbine and a sub power generation gas turbine according to another embodiment of the present invention.
- FIG. 5 is a simulation result obtained by using a conventional GE system gatecycle program.
- FIG. 6 is a simulation result obtained by using a GE gatecycle program according to an embodiment of the present invention.
- Figure 7 compares power and efficiency of a conventional scheme versus a scheme according to an embodiment of the present invention.
- FIG. 2 illustrates a method of cooling the combustor 200 and the turbine 300 using a supercritical fluid according to an embodiment of the present invention.
- a supercritical fluid cooled gas turbine apparatus according to an embodiment of the present invention includes a compressor 100 for compressing air, a combustor 200 for combusting air and fuel discharged from the compressor 100, And a turbine 300 driven by a combustion gas discharged from the combustor 200.
- the combustor 200 and the turbine 300 are provided with a cooling passage 400 and the cooling passage 400 is provided with a supercritical fluid Is cooled as a cooling fluid to cool the combustor (200) and the turbine (300).
- Supercritical fluid refers to a fluid at a point where it can not distinguish a liquid from a gas by reaching a state exceeding a certain high temperature and a high pressure limit.
- the density of the molecule is close to the liquid, but the viscosity is low.
- the gas and the liquid become a state where the vapor and the liquid can not be distinguished from each other because the evaporation process does not occur when the gas and the liquid become beyond a certain high temperature and high pressure limit called a critical point.
- the state of matter is called supercritical fluid.
- the carbon dioxide is used as an embodiment of the supercritical fluid because the critical temperature is relatively close to room temperature.
- a cooling channel 400 is installed in the combustor 200 and the turbine 300, which are required to be cooled, so that the compressed air is not compressed by the compressor 100 It is possible to increase the power generation efficiency by cooling by using a separate supercritical fluid.
- FIG. 3 illustrates a power generation system using a main power generation gas turbine 10 and a sub power generation gas turbine 20 according to an embodiment of the present invention.
- the main power generation gas turbine 10 includes a compressor 100 for compressing air, a combustor 200 for burning the air and the fuel discharged from the compressor 100, And a gas turbine 300 apparatus having a turbine 300 driven by a combustion gas, wherein the combustor 200 and the turbine 300 are provided with a cooling passage 400,
- the critical fluid is flowed as a cooling fluid to cool the combustor 200 and the turbine 300 while the main power generation gas turbine 10 is configured as an open loop,
- a sub-generation gas turbine (20) coupled to a main generation gas turbine (10) includes a supercritical fluid compressor (500) and a supercritical fluid turbine (600)
- the inlet of the supercritical fluid turbine 600 is connected to the outlet of the cooling passage 400 and the supercritical fluid is compressed in the supercritical fluid compressor 500, Is heated through the cooling passage 400 and supplied to the supercritical fluid turbine 300 to generate the sub power generation gas turbine 20 to constitute a closed loop.
- carbon dioxide may be used as a supercritical fluid.
- the carbon dioxide discharged from the turbine 300 driven by the combustion gas in the main generation gas turbine 300 is used as a supercritical fluid, which is collected in a carbon dioxide collecting unit , And the collected carbon dioxide is cooled and supplied to the supercritical fluid compressor (500) of the sub power generation gas turbine (20) and circulated.
- the sub power generation gas turbine 20 can be used by connecting the combustor 200 and the turbine 300 individually in such a manner that the portions B and C are connected to each other as shown in FIG. (A is connected) in which carbon dioxide is captured from the exhaust gas generated in the main power generation turbine 20 and supplied to the sub power generation gas turbine 20.
- an inlet port of the cooling channel 400 is connected to an inlet port of the turbine 300, 20 may be combined and used.
- FIG. 6 is a simulation result obtained by using a GE GateCycle program according to an embodiment of the present invention
- FIG. 7 is a simulation result obtained by using the conventional method and the present invention To compare the power and efficiency of the scheme according to the embodiment of FIG.
- the power and efficiency of a conventional gas turbine and the combined gas turbine apparatus of the main power generation gas turbine 10 and the sub power generation gas turbine 20 according to the embodiment of the present invention Is compared with simulation results obtained by using GE's gatecycle program, it can be confirmed that the output and efficiency of the gas turbine device according to the embodiment of the present invention are improved compared to the conventional gas turbine based on the same fuel amount.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims (9)
- 공기를 압축하는 압축기(100), 상기 압축기(100)로부터 배출된 공기와 연료가 연소되는 연소기(200) 및 상기 연소기(200)로부터 배출되는 연소 가스로 구동되는 터빈(300)을 구비한 가스 터빈(300) 장치에 있어서, 상기 연소기(200) 및 터빈(300)에는 냉각유로(400)가 설치되고, 상기 냉각유로(400)로 초임계유체를 냉각유체로서 흘려 연소기(200) 및 터빈(300)을 냉각하는 것을 특징으로 하는 초임계유체 냉각 가스터빈 장치.
- 제 1 항에 있어서,연소 가스로 구동되는 터빈(300)에서 배출되는 배기가스로부터 이산화탄소를 포집하는 이산화탄소포집부를 더 포함하는 초임계유체 냉각 가스터빈 장치.
- 제 1 항에 있어서,상기 초임계유체는 이산화탄소인 것을 특징으로 하는 초임계유체 냉각 가스터빈 장치.
- 공기를 압축하는 압축기(100), 상기 압축기(100)로부터 배출된 공기와 연료가 연소되는 연소기(200) 및 상기 연소기(200)로부터 배출되는 연소 가스로 구동되는 터빈(300)을 구비한 가스 터빈(300) 장치에 있어서,상기 연소기(200) 및 터빈(300)에는 냉각유로(400)가 설치되고, 상기 냉각유로(400)로 초임계유체를 냉각유체로서 흘려 연소기(200) 및 터빈(300)을 냉각하는 주발전가스터빈(10)과초임계유체압축기(500)와 초임계유체터빈(600)을 포함하며, 상기 초임계유체압축기(500)의 출구는 상기 냉각유로(400)의 입구에 연결되며, 상기 초임계유체터빈(300)의 입구는 상기 냉각유로(400)의 출구에 연결되며, 상기 초임계유체는 상기 초임계유체압축기(500)에서 압축되고, 상기 냉각유로(400)를 거치며 가열되어 상기 초임계유체터빈(600)에 공급되는 부발전가스터빈(20)을 포함하는 초임계유체 냉각 가스터빈 장치.
- 제 4 항에 있어서,상기 초임계유체는 이산화탄소인 것을 특징으로 초임계유체 냉각 가스터빈 장치.
- 제 5 항에 있어서,상기 주발전가스터터빈(10)에서 연소 가스로 구동되는 터빈(300)에서 배출되는 배기가스로부터 이산화탄소를 포집하는 이산화탄소포집부를 더 포함하는 초임계유체 냉각 가스터빈 장치.
- 제 6 항에 있어서,상기 이산화탄소포집부에서 포집된 이산화탄소를 냉각하여 상기 부발전가스터빈(20)의 초임계유체압축기(500)로 공급하는 것을 특징으로 하는 초임계유체 냉각 가스터빈 장치.
- 제 4 항에 있어서,상기 부발전가스터빈(20)이 상기 연소기(200) 및 터빈(300)에 설치된 냉각유로(400) 마다 각각 연결되어 설치되는 것을 특징으로 하는 초임계유체 냉각 가스터빈 장치.
- 제 4 항에 있어서,상기 연소기(200) 및 터빈(300)에 설치된 냉각유로(400)의 입구가 모두 연결된 결합입구부와 출구가 모두 연결된 결합출구부에 하나의 부발전가스터빈(20)이 결합되는 것을 특징으로 하는 초임계유체 냉각 가스터빈 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP14869101.7A EP3081782B1 (en) | 2013-12-12 | 2014-04-29 | Supercritical fluid cooling gas turbine apparatus |
JP2016539128A JP6239123B2 (ja) | 2013-12-12 | 2014-04-29 | 超臨界流体冷却ガスタービン装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2013-0154771 | 2013-12-12 | ||
KR20130154771A KR101485020B1 (ko) | 2013-12-12 | 2013-12-12 | 초임계유체 냉각 가스터빈 장치 |
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WO2015088109A1 true WO2015088109A1 (ko) | 2015-06-18 |
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PCT/KR2014/003547 WO2015088109A1 (ko) | 2013-12-12 | 2014-04-29 | 초임계유체 냉각 가스터빈 장치 |
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US (1) | US9638104B2 (ko) |
EP (1) | EP3081782B1 (ko) |
JP (1) | JP6239123B2 (ko) |
KR (1) | KR101485020B1 (ko) |
WO (1) | WO2015088109A1 (ko) |
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US9540999B2 (en) * | 2012-01-17 | 2017-01-10 | Peregrine Turbine Technologies, Llc | System and method for generating power using a supercritical fluid |
KR101617705B1 (ko) * | 2015-04-29 | 2016-05-03 | 연세대학교 산학협력단 | 복합냉각유체를 이용한 가스터빈 베인 및 블레이드 냉각시스템, 이에 의해 냉각되는 가스터빈 베인 및 블레이드 구조, 및 이를 이용하여 가스터빈 베인 및 블레이드를 냉각하는 냉각방법 |
AU2016315932B2 (en) | 2015-09-01 | 2020-04-09 | 8 Rivers Capital, Llc | Systems and methods for power production using nested CO2 cycles |
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KR101682639B1 (ko) * | 2016-03-11 | 2016-12-06 | 연세대학교 산학협력단 | 다공성 미세구조를 가지는 최외곽 유로를 포함하는 가스터빈 베인 및 블레이드 |
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KR101485020B1 (ko) | 2015-01-29 |
EP3081782A1 (en) | 2016-10-19 |
EP3081782A4 (en) | 2017-08-30 |
US9638104B2 (en) | 2017-05-02 |
EP3081782B1 (en) | 2019-06-12 |
US20150167554A1 (en) | 2015-06-18 |
JP6239123B2 (ja) | 2017-11-29 |
JP2017508908A (ja) | 2017-03-30 |
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