JP6376289B2 - 内燃機関制御装置及び内燃機関制御方法 - Google Patents
内燃機関制御装置及び内燃機関制御方法 Download PDFInfo
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- JP6376289B2 JP6376289B2 JP2017521435A JP2017521435A JP6376289B2 JP 6376289 B2 JP6376289 B2 JP 6376289B2 JP 2017521435 A JP2017521435 A JP 2017521435A JP 2017521435 A JP2017521435 A JP 2017521435A JP 6376289 B2 JP6376289 B2 JP 6376289B2
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- 238000002485 combustion reaction Methods 0.000 title claims description 83
- 238000000034 method Methods 0.000 title claims description 19
- 239000000446 fuel Substances 0.000 claims description 211
- 238000002347 injection Methods 0.000 claims description 176
- 239000007924 injection Substances 0.000 claims description 176
- 239000000203 mixture Substances 0.000 claims description 23
- 230000003111 delayed effect Effects 0.000 claims description 11
- 239000008240 homogeneous mixture Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 description 24
- 239000007921 spray Substances 0.000 description 17
- 238000000746 purification Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 10
- 230000007423 decrease Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 6
- 230000004913 activation Effects 0.000 description 4
- 101100409308 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) adv-1 gene Proteins 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001052 transient effect Effects 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
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/32—Controlling fuel injection of the low pressure type
- F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/0255—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus to accelerate the warming-up of the exhaust gas treating apparatus at engine start
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
- F02M69/16—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of continuously or intermittently operated injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
図1は、本実施形態を適用する筒内直接燃料噴射式火花点火エンジン(以下、「エンジン」ともいう)の概略構成図である。
Cは単位換算用の定数
ADV=ITex+Tl−Td ・・・(2)
次に、第2実施形態について説明する。本実施形態では、膨張行程成層燃焼の燃焼安定度をより高めるために、点火時期を遅くなるほど、つまり燃焼限界に近づくほど、膨張行程での燃料噴射量を多くする。膨張行程での燃料噴射量を多くすることで燃焼安定度が高まるのは、次の理由による。
次に、第3実施形態について説明する。本実施形態は、基本的には第2実施形態と同様に図13の制御ルーチンを実行するが、ステップS46における吸気行程噴射での燃料噴射量の算出法が異なる。ステップS46以外の処理内容は第2実施形態と同じなので説明を省略する。
Claims (4)
- 筒内に燃料を噴射する燃料噴射弁と、
筒内の混合気に点火を行なう点火プラグと、
を備え、
特定の運転条件時には、膨張行程にて燃料を噴射し、噴射された燃料に膨張行程において点火を行う筒内直接噴射式火花点火内燃機関を制御する内燃機関制御装置において、
点火時期が遅いほど、膨張行程での燃料噴射時期と点火時期との間隔を短くする内燃機関制御装置。 - 請求項1に記載の内燃機関制御装置において、
点火時期が遅いほど、膨張行程での燃料噴射量を増加させる内燃機関制御装置。 - 請求項1または2に記載の内燃機関制御装置において、
前記特定の運転条件時には、膨張行程の他に吸気行程にも燃料を噴射し、
点火時期が所定の時期より遅い場合には、吸気行程で噴射される燃料により筒内全体に形成される均質混合気の空燃比がストイキよりもリッチになるように吸気行程での燃料噴射量を増加させる内燃機関制御装置。 - 筒内に燃料を噴射する燃料噴射弁と、
筒内の混合気に点火を行なう点火プラグと、
を備え、
特定の運転条件時には、膨張行程にて燃料を噴射し、噴射された燃料に膨張行程において点火を行う筒内直接噴射式火花点火内燃機関を制御する内燃機関制御方法において、
点火時期が遅いほど、膨張行程での燃料噴射時期と点火時期との間隔を短くする内燃機関制御方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2015/066086 WO2016194184A1 (ja) | 2015-06-03 | 2015-06-03 | 内燃機関制御装置及び内燃機関制御方法 |
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JPWO2016194184A1 JPWO2016194184A1 (ja) | 2018-03-22 |
JP6376289B2 true JP6376289B2 (ja) | 2018-08-22 |
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Country Status (11)
Country | Link |
---|---|
US (1) | US10436170B2 (ja) |
EP (1) | EP3306063B8 (ja) |
JP (1) | JP6376289B2 (ja) |
KR (1) | KR101824857B1 (ja) |
CN (1) | CN107614856B (ja) |
BR (1) | BR112017025799B1 (ja) |
CA (1) | CA2988048C (ja) |
MX (1) | MX371181B (ja) |
MY (1) | MY167714A (ja) |
RU (1) | RU2656867C1 (ja) |
WO (1) | WO2016194184A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CA3004539C (en) * | 2015-11-10 | 2023-08-22 | Nissan Motor Co., Ltd. | Control method and control device of internal combustion engine |
JP6465142B2 (ja) * | 2017-04-05 | 2019-02-06 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6717776B2 (ja) * | 2017-04-28 | 2020-07-08 | 株式会社Soken | 内燃機関の制御装置 |
EP3633171B1 (en) * | 2017-05-24 | 2022-05-11 | Nissan Motor Co., Ltd. | Method and device for controlling internal combustion engine |
US11391230B2 (en) * | 2019-11-07 | 2022-07-19 | Saudi Arabian Oil Company | Compression ignition engines and methods for operating the same under cold start fast idle conditions |
JP7331785B2 (ja) * | 2020-06-09 | 2023-08-23 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP7310740B2 (ja) * | 2020-07-16 | 2023-07-19 | トヨタ自動車株式会社 | エンジン装置 |
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JP2748686B2 (ja) * | 1990-11-16 | 1998-05-13 | トヨタ自動車株式会社 | 筒内直接噴射式火花点火機関 |
RU2067688C1 (ru) * | 1992-12-21 | 1996-10-10 | Валентин Петрович Сергеев | Способ определения и установки оптимальных моментов воспламенения рабочей смеси в двигателях внутреннего сгорания |
US5483017A (en) * | 1994-11-07 | 1996-01-09 | The United States Of America As Represented By The Secretary Of The Navy | High temperature thermosets and ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers |
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JP3257430B2 (ja) * | 1997-01-29 | 2002-02-18 | 三菱自動車工業株式会社 | 排気昇温装置 |
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JP3769928B2 (ja) * | 1998-03-31 | 2006-04-26 | マツダ株式会社 | 自動車用エンジンの制御装置 |
US7096853B2 (en) * | 2004-01-28 | 2006-08-29 | Nissan Motor Co., Ltd. | Direct fuel injection/spark ignition engine control device |
JP4751584B2 (ja) | 2004-05-26 | 2011-08-17 | 株式会社日本自動車部品総合研究所 | 内燃機関の制御装置 |
JP4432667B2 (ja) | 2004-08-12 | 2010-03-17 | 日産自動車株式会社 | 筒内直接噴射式内燃機関 |
EP1643107B1 (en) * | 2004-09-30 | 2010-10-27 | Nissan Motor Co., Ltd. | Combustion control method and apparatus for a direct injection spark ignition internal combustion engine |
JP4379286B2 (ja) * | 2004-09-30 | 2009-12-09 | 日産自動車株式会社 | 筒内直接噴射式火花点火内燃機関の制御装置 |
US7185631B2 (en) | 2004-10-15 | 2007-03-06 | Nissan Motor Co., Ltd. | Combustion control system and method for direct-injection spark-ignition internal combustion engine |
JP2006177179A (ja) | 2004-12-21 | 2006-07-06 | Nissan Motor Co Ltd | 筒内直接噴射式火花点火内燃機関の制御装置 |
JP2007303428A (ja) * | 2006-05-15 | 2007-11-22 | Nissan Motor Co Ltd | 筒内直接噴射式火花点火内燃機関の制御装置 |
US7418946B2 (en) * | 2006-07-25 | 2008-09-02 | Nissan Motor Co., Ltd. | Engine start control apparatus and method |
JP5195383B2 (ja) | 2008-12-12 | 2013-05-08 | 日産自動車株式会社 | 筒内直接噴射式火花点火内燃機関 |
JP5533732B2 (ja) * | 2011-02-24 | 2014-06-25 | マツダ株式会社 | 火花点火式ガソリンエンジンの制御装置 |
JP5500104B2 (ja) * | 2011-02-24 | 2014-05-21 | マツダ株式会社 | 火花点火式ガソリンエンジンの制御装置 |
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- 2015-06-03 MX MX2017015344A patent/MX371181B/es active IP Right Grant
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- 2015-06-03 EP EP15894217.7A patent/EP3306063B8/en active Active
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- 2015-06-03 CN CN201580080621.8A patent/CN107614856B/zh active Active
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- 2015-06-03 WO PCT/JP2015/066086 patent/WO2016194184A1/ja active Application Filing
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BR112017025799A2 (ja) | 2018-08-07 |
MY167714A (en) | 2018-09-21 |
CN107614856A (zh) | 2018-01-19 |
CA2988048A1 (en) | 2016-12-08 |
US10436170B2 (en) | 2019-10-08 |
EP3306063A1 (en) | 2018-04-11 |
RU2656867C1 (ru) | 2018-06-07 |
EP3306063B8 (en) | 2019-12-11 |
WO2016194184A1 (ja) | 2016-12-08 |
BR112017025799B1 (pt) | 2022-12-27 |
EP3306063B1 (en) | 2019-09-18 |
MX371181B (es) | 2020-01-22 |
EP3306063A4 (en) | 2018-08-01 |
CA2988048C (en) | 2018-04-03 |
JPWO2016194184A1 (ja) | 2018-03-22 |
KR101824857B1 (ko) | 2018-02-01 |
US20180163687A1 (en) | 2018-06-14 |
CN107614856B (zh) | 2019-03-19 |
MX2017015344A (es) | 2018-04-20 |
KR20180002868A (ko) | 2018-01-08 |
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