JP2014227958A - 燃料噴射弁 - Google Patents
燃料噴射弁 Download PDFInfo
- Publication number
- JP2014227958A JP2014227958A JP2013109472A JP2013109472A JP2014227958A JP 2014227958 A JP2014227958 A JP 2014227958A JP 2013109472 A JP2013109472 A JP 2013109472A JP 2013109472 A JP2013109472 A JP 2013109472A JP 2014227958 A JP2014227958 A JP 2014227958A
- Authority
- JP
- Japan
- Prior art keywords
- anchor
- valve
- fixed core
- valve body
- fuel injection
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 130
- 238000002347 injection Methods 0.000 title claims abstract description 96
- 239000007924 injection Substances 0.000 title claims abstract description 96
- 238000007747 plating Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 28
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 14
- 230000004044 response Effects 0.000 description 7
- 230000004907 flux Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
- F02M51/0671—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature having an elongated valve body attached thereto
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
-
- 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
- F02M51/066—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
- F02M63/0021—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures
- F02M63/0022—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of mobile armatures the armature and the valve being allowed to move relatively to each other
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
さらに従来の燃料噴射弁では、弁体が完全に開弁位置に到達した後、アンカーの端面と固定コアの端面との間の衝突面が互いに貼りつき、弁体を閉弁位置に戻すべく電磁コイルへの通電を終了させ、磁気通路の磁力が消滅した後でも、アンカーが初期位置、つまり両者が完全に離れて、弁体が弁座に押付けられた状態に復帰するまでの時間が長くなるという問題を有する。
23…ノズルホルダ大径筒状部
39…弁座
43A…コネクタ
101…ノズルホルダ
102…アンカー
103…ハウジング
104…コイルボビン
105…電磁コイル
107…固定コア
107D…固定コア貫通孔(燃料通路)
109…導体
110…スプリング
112…ゼロスプリング
113…肩部
114…可動子
114A…プランジャロッド
114B…弁体
114C…プランジャロッド頭部
115…ガイド部材
116…オリフィスカップ
118…燃料通路
121…樹脂成形体
126…燃料通路
128…貫通孔
130…サイドギャップ(燃料通路)
150…第二のコア
151…凹部
152…第二の弁体
201…非圧入部
250…面取り部位
300…本実施例の燃料噴射弁のアンカーの変位
301…従来の燃料噴射弁のアンカーの変位
501…メッキ
502…磁気ギャップ
503…凸部
Claims (4)
- 固定コアと、前記固定コアの外周側に配置されたソレノイドと、前記固定コアの下端部に対面するアンカーと、前記アンカーに係合した弁体と、前記ソレノイドに通電することにより磁気吸引力を発生させて、前記アンカーと前記弁体を前記固定コアへ吸引し開弁するよう構成した燃料噴射弁において、
前記弁体は、閉弁時には、前記アンカーの上面と第2の弁体の下面が当接し、前記アンカーの上面と第1の弁体の上部にある太径部の下面の間には所定の隙間が設けられ、開弁時には前記第2の弁体の上面が固定コアの内周に配置されたストロークストッパの下面と当接し、前記アンカーの上面には前記第2の弁体の下面と前記第1の弁体の上部にある太径部の下面が当接し、前記アンカーの上面と前記固定コアの下面には所定の隙間が設けられることを特徴とする燃料噴射弁。 - 固定コアと、前記固定コアの外周側に配置されたソレノイドと、前記固定コアの下端部に対面するアンカーと、前記アンカーに係合した弁体と、前記ソレノイドに通電することにより磁気吸引力を発生させて、前記アンカーと前記弁体を前記固定コアへ吸引し開弁するよう構成した燃料噴射弁において、
前記弁体は、閉弁時には、前記アンカーの上面と当接している第2の弁体と、開弁途中で前記アンカーの上面と当接する第1の弁体からなり、開弁時には前記第2の弁体の上面が固定コアの内周に配置されたストロークストッパと当接し、前記アンカーの上面と前記固定コアの下面には所定の隙間が設けられることを特徴とする燃料噴射弁。 - 請求項1に記載の燃料噴射弁において、前記アンカーの上面と固定コアの下面にメッキ処理等の表面硬化処理が施されていないことを特徴とする燃料噴射弁。
- 請求項2に記載の燃料噴射弁において、前記アンカーの上面と固定コアの下面にメッキ処理等の表面硬化処理が施されていないことを特徴とする燃料噴射弁。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013109472A JP6087210B2 (ja) | 2013-05-24 | 2013-05-24 | 燃料噴射弁 |
PCT/JP2014/056390 WO2014188765A1 (ja) | 2013-05-24 | 2014-03-12 | 燃料噴射弁 |
EP14801701.5A EP3006720A4 (en) | 2013-05-24 | 2014-03-12 | Fuel injection valve |
US14/892,948 US20160097358A1 (en) | 2013-05-24 | 2014-03-12 | Fuel Injection Valve |
CN201480030004.2A CN105431626A (zh) | 2013-05-24 | 2014-03-12 | 燃料喷射阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013109472A JP6087210B2 (ja) | 2013-05-24 | 2013-05-24 | 燃料噴射弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014227958A true JP2014227958A (ja) | 2014-12-08 |
JP6087210B2 JP6087210B2 (ja) | 2017-03-01 |
Family
ID=51933331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013109472A Active JP6087210B2 (ja) | 2013-05-24 | 2013-05-24 | 燃料噴射弁 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160097358A1 (ja) |
EP (1) | EP3006720A4 (ja) |
JP (1) | JP6087210B2 (ja) |
CN (1) | CN105431626A (ja) |
WO (1) | WO2014188765A1 (ja) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016031125A1 (ja) * | 2014-08-26 | 2016-03-03 | 株式会社デンソー | 燃料噴射弁 |
JP2016125362A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
JP2016125360A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
JP2017002807A (ja) * | 2015-06-10 | 2017-01-05 | 株式会社デンソー | 燃料噴射装置 |
JP2017020478A (ja) * | 2015-07-15 | 2017-01-26 | 株式会社デンソー | 内燃機関の燃料噴射制御装置 |
JP2017031963A (ja) * | 2015-08-06 | 2017-02-09 | 株式会社デンソー | 燃料噴射装置 |
JP2017044096A (ja) * | 2015-08-25 | 2017-03-02 | 株式会社デンソー | 燃料噴射装置 |
WO2017037973A1 (ja) * | 2015-09-02 | 2017-03-09 | 株式会社デンソー | 燃料噴射装置 |
JP2017053253A (ja) * | 2015-09-08 | 2017-03-16 | 株式会社デンソー | 燃料噴射装置 |
JP2017067055A (ja) * | 2015-10-02 | 2017-04-06 | 株式会社デンソー | 燃料噴射装置 |
CN107923548A (zh) * | 2015-08-25 | 2018-04-17 | 日立汽车***株式会社 | 电磁阀 |
JP2018162791A (ja) * | 2018-07-26 | 2018-10-18 | 株式会社デンソー | 燃料噴射装置 |
JP2019074093A (ja) * | 2019-01-21 | 2019-05-16 | 株式会社デンソー | 燃料噴射装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170254304A1 (en) * | 2014-09-17 | 2017-09-07 | Denso Corporation | Fuel injection valve |
JP6327191B2 (ja) | 2015-04-07 | 2018-05-23 | 株式会社デンソー | 燃料噴射弁 |
EP3263884B8 (en) * | 2016-06-30 | 2019-12-18 | CPT Group GmbH | Injection valve with a magnetic ring element |
CN110945231B (zh) * | 2017-09-15 | 2021-09-14 | 罗伯特·博世有限公司 | 燃油喷射器及其控制阀 |
JP6708236B2 (ja) * | 2017-09-29 | 2020-06-10 | 株式会社デンソー | 燃料噴射弁 |
WO2019065412A1 (ja) | 2017-09-29 | 2019-04-04 | 株式会社デンソー | 燃料噴射弁 |
JP6741052B2 (ja) | 2017-09-29 | 2020-08-19 | 株式会社デンソー | 燃料噴射弁 |
JP6708235B2 (ja) | 2017-09-29 | 2020-06-10 | 株式会社デンソー | 燃料噴射弁 |
WO2019163383A1 (ja) * | 2018-02-23 | 2019-08-29 | 日立オートモティブシステムズ株式会社 | 燃料噴射弁及びその組立方法 |
JP6945078B2 (ja) * | 2018-08-24 | 2021-10-06 | 日立Astemo株式会社 | 燃料噴射弁 |
US11428196B1 (en) * | 2021-11-30 | 2022-08-30 | Caterpillar Inc. | Fuel system and control strategy limiting component separation in pushrod actuation train |
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JPH08218970A (ja) * | 1995-02-08 | 1996-08-27 | Nippondenso Co Ltd | 電磁弁 |
JP2011241701A (ja) * | 2010-05-14 | 2011-12-01 | Keihin Corp | 電磁式燃料噴射弁 |
JP2012097728A (ja) * | 2010-10-05 | 2012-05-24 | Denso Corp | 燃料噴射弁 |
JP2012149648A (ja) * | 2010-02-17 | 2012-08-09 | Denso Corp | 燃料噴射弁 |
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-
2013
- 2013-05-24 JP JP2013109472A patent/JP6087210B2/ja active Active
-
2014
- 2014-03-12 EP EP14801701.5A patent/EP3006720A4/en not_active Withdrawn
- 2014-03-12 CN CN201480030004.2A patent/CN105431626A/zh active Pending
- 2014-03-12 US US14/892,948 patent/US20160097358A1/en not_active Abandoned
- 2014-03-12 WO PCT/JP2014/056390 patent/WO2014188765A1/ja active Application Filing
Patent Citations (4)
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JPH08218970A (ja) * | 1995-02-08 | 1996-08-27 | Nippondenso Co Ltd | 電磁弁 |
JP2012149648A (ja) * | 2010-02-17 | 2012-08-09 | Denso Corp | 燃料噴射弁 |
JP2011241701A (ja) * | 2010-05-14 | 2011-12-01 | Keihin Corp | 電磁式燃料噴射弁 |
JP2012097728A (ja) * | 2010-10-05 | 2012-05-24 | Denso Corp | 燃料噴射弁 |
Cited By (29)
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WO2016031125A1 (ja) * | 2014-08-26 | 2016-03-03 | 株式会社デンソー | 燃料噴射弁 |
JP2016125362A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
JP2016125360A (ja) * | 2014-12-26 | 2016-07-11 | 株式会社日本自動車部品総合研究所 | 燃料噴射弁 |
JP2017002807A (ja) * | 2015-06-10 | 2017-01-05 | 株式会社デンソー | 燃料噴射装置 |
JP2017020478A (ja) * | 2015-07-15 | 2017-01-26 | 株式会社デンソー | 内燃機関の燃料噴射制御装置 |
JP2017031963A (ja) * | 2015-08-06 | 2017-02-09 | 株式会社デンソー | 燃料噴射装置 |
WO2017022163A1 (ja) * | 2015-08-06 | 2017-02-09 | 株式会社デンソー | 燃料噴射装置 |
DE112016003592T5 (de) | 2015-08-06 | 2018-05-30 | Denso Corporation | Kraftstoffeinspritzvorrichtung |
CN107923548A (zh) * | 2015-08-25 | 2018-04-17 | 日立汽车***株式会社 | 电磁阀 |
JPWO2017033645A1 (ja) * | 2015-08-25 | 2018-04-19 | 日立オートモティブシステムズ株式会社 | 電磁弁 |
DE112016003860B4 (de) | 2015-08-25 | 2024-02-01 | Denso Corporation | Kraftstoffeinspritzvorrichtung |
US10690097B2 (en) | 2015-08-25 | 2020-06-23 | Hitachi Automotive Systems, Ltd. | Electromagnetic valve |
US10302057B2 (en) | 2015-08-25 | 2019-05-28 | Denso Corporation | Fuel injection device |
JP2017044096A (ja) * | 2015-08-25 | 2017-03-02 | 株式会社デンソー | 燃料噴射装置 |
WO2017033370A1 (ja) * | 2015-08-25 | 2017-03-02 | 株式会社デンソー | 燃料噴射装置 |
CN107923355A (zh) * | 2015-08-25 | 2018-04-17 | 株式会社电装 | 燃料喷射装置 |
DE112016003860T5 (de) | 2015-08-25 | 2018-05-17 | Denso Corporation | Kraftstoffeinspritzvorrichtung |
DE112016003999T5 (de) | 2015-09-02 | 2018-05-24 | Denso Corporation | Kraftstoffeinspritzvorrichtung |
CN107923356A (zh) * | 2015-09-02 | 2018-04-17 | 株式会社电装 | 燃料喷射装置 |
WO2017037973A1 (ja) * | 2015-09-02 | 2017-03-09 | 株式会社デンソー | 燃料噴射装置 |
CN107923356B (zh) * | 2015-09-02 | 2020-10-30 | 株式会社电装 | 燃料喷射装置 |
JP2017048731A (ja) * | 2015-09-02 | 2017-03-09 | 株式会社デンソー | 燃料噴射装置 |
JP2017053253A (ja) * | 2015-09-08 | 2017-03-16 | 株式会社デンソー | 燃料噴射装置 |
WO2017056940A1 (ja) * | 2015-10-02 | 2017-04-06 | 株式会社デンソー | 燃料噴射装置 |
CN108138713A (zh) * | 2015-10-02 | 2018-06-08 | 株式会社电装 | 燃料喷射装置 |
DE112016004490T5 (de) | 2015-10-02 | 2018-06-21 | Denso Corporation | Kraftstoffeinspritzvorrichtung |
JP2017067055A (ja) * | 2015-10-02 | 2017-04-06 | 株式会社デンソー | 燃料噴射装置 |
JP2018162791A (ja) * | 2018-07-26 | 2018-10-18 | 株式会社デンソー | 燃料噴射装置 |
JP2019074093A (ja) * | 2019-01-21 | 2019-05-16 | 株式会社デンソー | 燃料噴射装置 |
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US20160097358A1 (en) | 2016-04-07 |
WO2014188765A1 (ja) | 2014-11-27 |
JP6087210B2 (ja) | 2017-03-01 |
EP3006720A4 (en) | 2017-01-25 |
CN105431626A (zh) | 2016-03-23 |
EP3006720A1 (en) | 2016-04-13 |
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