JP6248579B2 - 直噴ガソリンエンジン - Google Patents
直噴ガソリンエンジン Download PDFInfo
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- JP6248579B2 JP6248579B2 JP2013244883A JP2013244883A JP6248579B2 JP 6248579 B2 JP6248579 B2 JP 6248579B2 JP 2013244883 A JP2013244883 A JP 2013244883A JP 2013244883 A JP2013244883 A JP 2013244883A JP 6248579 B2 JP6248579 B2 JP 6248579B2
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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
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/403—Multiple injections with pilot injections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
- F02B1/14—Methods of operating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0203—Variable control of intake and exhaust valves
- F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
- F02D13/0219—Variable control of intake and exhaust valves changing the valve timing only by shifting the phase, i.e. the opening periods of the valves are constant
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
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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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
- F02M25/12—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone the apparatus having means for generating such gases
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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
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/04—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by electric means, ionisation, polarisation or magnetism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0269—Controlling the valves to perform a Miller-Atkinson cycle
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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
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
- F02D2200/501—Vehicle speed
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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
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
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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
- F02D41/0002—Controlling intake air
-
- 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
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/182—Circuit arrangements for generating control signals by measuring intake air flow for the control of a fuel injection device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
- F05C2251/048—Heat transfer
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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)
- Chemical Kinetics & Catalysis (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
以下、例示的な実施形態を図面に基づいて詳細に説明する。
続いて、実施形態2に係る直噴ガソリンエンジン201について説明する。
以上のように、本出願において開示する技術の例示として、上記実施形態を説明した。しかしながら、本開示における技術は、これに限定されず、適宜、変更、置き換え、付加、省略などを行った実施の形態にも適用可能である。また、上記実施形態で説明した各構成要素を組み合わせて、新たな実施の形態とすることも可能である。また、添付図面および詳細な説明に記載された構成要素の中には、課題解決のために必須な構成要素だけでなく、上記技術を例示するために、課題解決のためには必須でない構成要素も含まれ得る。そのため、それらの必須ではない構成要素が添付図面や詳細な説明に記載されていることをもって、直ちに、それらの必須ではない構成要素が必須であるとの認定をするべきではない。
31 オゾン発生器
33 インジェクタ
100,200 エンジン制御器(制御部)
Claims (8)
- インジェクタにより気筒内に噴射された、少なくともガソリンを含有する燃料を自己着火させる直噴ガソリンエンジンにおいて、
上記エンジンの幾何学的圧縮比は、15以上であり、
上記インジェクタによる燃料噴射を制御する制御部を備え、
上記制御部は、
燃料が熱炎反応に至らずに酸化反応をする量の燃料を噴射して、圧縮上死点以降の筒内温度の変動を所定の温度幅に収める前段噴射と、
該前段噴射よりも後に燃料を噴射して、圧縮上死点以降であって筒内温度の変動が上記所定の温度幅に収まっている間に該燃料を自己着火燃焼させる主噴射とを上記インジェクタに行わせ、
上記制御部は、上記前段噴射として、圧縮行程終期に実行する第1前段噴射と、該第1前段噴射の後でかつ、圧縮上死点後に燃料を噴射する第2前段噴射とを上記インジェクタに行わせると共に、上記第2前段噴射よりも後の膨張行程初期に上記主噴射を実行することにより、主燃焼の燃焼期間をモータリング時の気筒内の圧力上昇率が負の最大値となる時点と重複させ、
上記主燃焼のリタード量は、上記主噴射の噴射タイミングによって調整されると共に、上記制御部は、上記主燃焼のリタード量が多いときには、少ないときよりも上記第2前段噴射の噴射量を多くする直噴ガソリンエンジン。
- 請求項1に記載の直噴ガソリンエンジンにおいて、
上記温度幅は、100度である直噴ガソリンエンジン。 - 請求項1又は2に記載の直噴ガソリンエンジンにおいて、
筒内温度の変動が上記所定の温度幅に収められている間の筒内温度は、1000〜1100Kである直噴ガソリンエンジン。 - 請求項1乃至3の何れか1つに記載の直噴ガソリンエンジンにおいて、
筒内温度の変動が上記所定の温度幅に収められている間は、筒内圧力が圧縮上死点における筒内圧力よりも低下している直噴ガソリンエンジン。 - 請求項1乃至4の何れか1つに記載の直噴ガソリンエンジンにおいて、
上記前段噴射は、空気過剰率が8以上となる量の燃料を噴射する直噴ガソリンエンジン。 - 請求項5に記載の直噴ガソリンエンジンにおいて、
上記前段噴射及び上記主噴射による燃料の合計の噴射量に対する該主噴射による燃料の噴射量の比は、3/4以上である直噴ガソリンエンジン。 - 請求項1乃至6の何れか1つに記載の直噴ガソリンエンジンにおいて、
上記制御部は、上記主噴射による燃焼を、上記エンジンの回転数が高くなるほど進角させる直噴ガソリンエンジン。 - 請求項1乃至7の何れか1つに記載の直噴ガソリンエンジンにおいて、
上記気筒内にオゾンを発生させるオゾン発生器をさらに備え、
上記制御部は、上記主噴射の後に上記オゾン発生器にオゾンを発生させる直噴ガソリンエンジン。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013244883A JP6248579B2 (ja) | 2013-11-27 | 2013-11-27 | 直噴ガソリンエンジン |
US14/548,185 US9546617B2 (en) | 2013-11-27 | 2014-11-19 | Gasoline direct-injection engine |
DE102014017163.9A DE102014017163B4 (de) | 2013-11-27 | 2014-11-20 | Benzindirekteinspritzungsmotor, Verfahren zum Steuern eines Motors und Computerprogrammprodukt |
Applications Claiming Priority (1)
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JP2013244883A JP6248579B2 (ja) | 2013-11-27 | 2013-11-27 | 直噴ガソリンエンジン |
Publications (2)
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JP2015102058A JP2015102058A (ja) | 2015-06-04 |
JP6248579B2 true JP6248579B2 (ja) | 2017-12-20 |
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US (1) | US9546617B2 (ja) |
JP (1) | JP6248579B2 (ja) |
DE (1) | DE102014017163B4 (ja) |
Families Citing this family (8)
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US9970407B2 (en) * | 2014-09-08 | 2018-05-15 | GM Global Technology Operations LLC | Method and apparatus for controlling operation of an internal combustion engine |
JP6056895B2 (ja) * | 2015-03-23 | 2017-01-11 | マツダ株式会社 | 直噴エンジンの燃料噴射制御装置 |
US20170101967A1 (en) * | 2015-10-13 | 2017-04-13 | Caterpillar Inc. | Prechamber internal reformer catalyst |
BR112021022895A2 (pt) | 2019-05-15 | 2022-01-18 | Clearflame Engines Inc | Partida a frio para combustíveis de alta octanagem em uma arquitetura de motor a diesel |
MX2022010464A (es) | 2020-02-26 | 2022-12-13 | Clearflame Engines Inc | Motor agnostico de encendido por compresion de combustible. |
JP2023533965A (ja) | 2020-07-09 | 2023-08-07 | クリアフレーム エンジンズ,インコーポレイテッド | 高温混合制御エンジンにおける気筒休止のシステム及び方法 |
CN113756973B (zh) * | 2021-08-27 | 2023-05-12 | 东风商用车有限公司 | 一种汽车发动机最小扭矩自适应控制方法 |
CN115355113A (zh) * | 2022-07-27 | 2022-11-18 | 清华大学 | 氨气-聚甲氧基二甲醚双燃料发动机燃烧系统及其燃烧控制方法 |
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JP3911912B2 (ja) * | 1999-06-23 | 2007-05-09 | 株式会社日立製作所 | エンジン制御システム及び制御方法 |
JP3817977B2 (ja) * | 1999-07-06 | 2006-09-06 | 株式会社日立製作所 | 圧縮着火式エンジンの制御方法 |
JP3885524B2 (ja) * | 2001-06-25 | 2007-02-21 | 日産自動車株式会社 | 圧縮自己着火内燃機関 |
JP2007032473A (ja) * | 2005-07-28 | 2007-02-08 | Mitsubishi Motors Corp | 筒内噴射自着火式エンジンの燃焼制御装置 |
US7464689B2 (en) * | 2005-10-12 | 2008-12-16 | Gm Global Technology Operations, Inc. | Method and apparatus for controlling fuel injection into an engine |
EP3404253A1 (en) * | 2006-09-20 | 2018-11-21 | Imagineering, Inc. | Ignition apparatus and internal-combustion engine |
JP5029501B2 (ja) * | 2008-06-10 | 2012-09-19 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP5257168B2 (ja) * | 2009-03-13 | 2013-08-07 | 日産自動車株式会社 | 内燃機関の着火制御装置 |
JP5115651B2 (ja) * | 2009-04-22 | 2013-01-09 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
WO2011061851A1 (ja) * | 2009-11-20 | 2011-05-26 | トヨタ自動車株式会社 | 内燃機関の燃料種類判別装置及び燃料噴射制御装置 |
JP5062340B2 (ja) * | 2011-03-11 | 2012-10-31 | 株式会社豊田自動織機 | 燃料噴射装置 |
JP5582076B2 (ja) * | 2011-03-18 | 2014-09-03 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP5136721B2 (ja) * | 2011-03-30 | 2013-02-06 | トヨタ自動車株式会社 | 内燃機関の燃料噴射制御装置 |
JP5834681B2 (ja) * | 2011-09-20 | 2015-12-24 | マツダ株式会社 | 火花点火式直噴エンジン及び火花点火式直噴エンジンの制御方法 |
DE112012003727B4 (de) * | 2011-09-07 | 2019-08-08 | Mazda Motor Corporation | Benzineinspritzmotor und Verfahren zur Kontrolle des Benzineinspritzmotors |
JP5899727B2 (ja) | 2011-09-07 | 2016-04-06 | マツダ株式会社 | 直噴ガソリンエンジン |
JP5796503B2 (ja) * | 2012-02-01 | 2015-10-21 | トヨタ自動車株式会社 | 燃料噴射制御装置 |
JP2013204521A (ja) * | 2012-03-28 | 2013-10-07 | Toyota Motor Corp | 内燃機関の制御装置 |
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2013
- 2013-11-27 JP JP2013244883A patent/JP6248579B2/ja active Active
-
2014
- 2014-11-19 US US14/548,185 patent/US9546617B2/en active Active
- 2014-11-20 DE DE102014017163.9A patent/DE102014017163B4/de active Active
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Publication number | Publication date |
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US9546617B2 (en) | 2017-01-17 |
DE102014017163A1 (de) | 2015-05-28 |
DE102014017163B4 (de) | 2017-10-19 |
US20150144095A1 (en) | 2015-05-28 |
JP2015102058A (ja) | 2015-06-04 |
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