JP7463053B2 - 二元燃料システム、該二元燃料システムを有する内燃機関、及び該内燃機関を動作させるための方法 - Google Patents
二元燃料システム、該二元燃料システムを有する内燃機関、及び該内燃機関を動作させるための方法 Download PDFInfo
- Publication number
- JP7463053B2 JP7463053B2 JP2018189962A JP2018189962A JP7463053B2 JP 7463053 B2 JP7463053 B2 JP 7463053B2 JP 2018189962 A JP2018189962 A JP 2018189962A JP 2018189962 A JP2018189962 A JP 2018189962A JP 7463053 B2 JP7463053 B2 JP 7463053B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- needle
- nozzle
- chamber
- dual
- 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 description 230
- 230000009977 dual effect Effects 0.000 title claims description 56
- 238000002485 combustion reaction Methods 0.000 title claims description 36
- 238000000034 method Methods 0.000 title claims description 6
- 238000002347 injection Methods 0.000 claims description 36
- 239000007924 injection Substances 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 32
- 239000010687 lubricating oil Substances 0.000 claims description 28
- 238000005461 lubrication Methods 0.000 claims description 19
- 239000003921 oil Substances 0.000 claims description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 230000001050 lubricating effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0607—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/061—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0689—Injectors for in-cylinder direct injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0694—Injectors operating with a plurality of fuels
-
- 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
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0209—Hydrocarbon fuels, e.g. methane or acetylene
- F02M21/0212—Hydrocarbon fuels, e.g. methane or acetylene comprising at least 3 C-Atoms, e.g. liquefied petroleum gas [LPG], propane or butane
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
- F02M21/026—Lift valves, i.e. stem operated valves
- F02M21/0263—Inwardly opening single or multi nozzle valves, e.g. needle valves
-
- 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
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0275—Injectors for in-cylinder direct injection, e.g. injector combined with spark plug
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0064—Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
-
- 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
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
-
- 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
-
- 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
- F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0647—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being liquefied petroleum gas [LPG], liquefied natural gas [LNG], compressed natural gas [CNG] or dimethyl ether [DME]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
- F02D19/0652—Biofuels, e.g. plant oils
- F02D19/0655—Biofuels, e.g. plant oils at least one fuel being an alcohol, e.g. ethanol
-
- 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
- F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
2 シリンダ
3 シリンダヘッド
4 ピストン
5 燃焼チャンバ
6 二元燃料噴射装置
7 ノズル弁
8 第1の燃料
9 ノズル弁
10 第2の燃料
11 燃料供給システム
12 リザーバ
13 燃料ポンプ
14 燃料供給システム
15 リザーバ
16 燃料ポンプ
17 リザーバ
18 切換弁
19 シーリングおよび潤滑オイルシステム
20 リザーバ
21 ノズルニードル
22 ニードルガイド
23 基体
24 ニードル燃料チャンバ
25 供給ライン
26 輪郭部
27 弁座
28 オリフィス
29 ニードル潤滑チャンバ
Claims (7)
- 内燃機関の二元燃料システムであって、
前記内燃機関の各シリンダ(2)のそれぞれは、二元燃料噴射装置(6)を有し、
第1の燃料供給システム(11)であって、第1の燃料が前記第1の燃料供給システム(11)を経由して各々の前記二元燃料噴射装置(6)に供給され得る、第1の燃料供給システム(11)を有し、
第2の燃料供給システム(14)であって、第2の燃料が前記第2の燃料供給システム(14)を経由して各々の前記二元燃料噴射装置(6)に供給され得る、第2の燃料供給システム(14)を有し、
シーリングおよび潤滑オイルシステム(19)であって、各々の前記二元燃料噴射装置(6)が前記シーリングおよび潤滑オイルシステム(19)を経由して前記シーリングおよび潤滑オイルの供給を受け得る、シーリングおよび潤滑オイルシステム(19)を有し、
前記第2の燃料供給システム(14)は、所定の燃料圧力を前記第2の燃料に与え、
前記シーリングおよび潤滑オイルシステム(19)は、前記第2の燃料の前記燃料圧力よりも低い所定のオイル圧力を前記シーリングおよび潤滑オイルに与える、内燃機関の二元燃料システムにおいて、
前記二元燃料噴射装置(6)が、
少なくとも1つの第1のノズル弁(7)であって、第1の燃料が、前記少なくとも1つの第1のノズル弁(7)を経由して前記各シリンダ(2)の燃焼チャンバ(5)内に導入されることが可能である、少なくとも1つの第1のノズル弁(7)と、
前記第1のノズル弁(7)の周囲に配置された複数の第2のノズル弁(9)であって、第2の燃料が、前記複数の第2のノズル弁(9)を経由して前記各シリンダ(2)の前記燃焼チャンバ(5)内に導入されることが可能である、複数の第2のノズル弁(9)と、を有し、
各々の前記複数の第2のノズル弁(9)の領域において、各々の前記複数の第2のノズル弁(9)のノズルニードル(21)が、前記第2のノズル弁(9)のニードルガイド(22)内で案内され、前記ニードルガイド(22)が、ニードル燃料チャンバ(24)を少なくともいくつかのセクションにおいて画定し、前記ニードル燃料チャンバ(24)は、供給ライン(25)を経由して所定の燃料圧力を有する前記第2の燃料の供給を受けることが可能であり、
各々の前記複数の第2のノズル弁(9)の前記領域において、前記ニードルガイド(22)は、一方では前記第2の燃料が前記ニードルガイド(22)を経由して周囲に漏れ入るのを回避し、他方では前記ニードルガイド(22)内で前記ノズルニードル(21)を潤滑化するために、シーリングおよび潤滑オイルの供給を受け得る、二元燃料システム。 - 各々の前記複数の第2のノズル弁(9)には、切換弁(18)が割り当てられ、前記切換弁(18)は、前記供給ライン(25)を経由して前記各シリンダ(2)の噴射サイクルに応じて前記第2の燃料を各々の前記複数の第2のノズル弁(9)の前記ニードル燃料チャンバ(24)に供給し、それにより前記第2の燃料の燃料圧力が、前記噴射サイクルに応じて前記ニードル燃料チャンバ(24)内に発生し、
各々の前記複数の第2のノズル弁(9)の前記ニードルガイド(22)は、前記シーリングおよび潤滑オイルの供給を受け得るニードル潤滑チャンバ(29)を少なくともいくつかのセクションにおいて画定し、前記ニードル潤滑チャンバ(29)は、前記ニードル燃料チャンバ(24)内で前記噴射サイクルに応じた前記燃料圧力が発生する場合に、前記第2の燃料が前記ニードル潤滑チャンバ(29)の領域に進入しないように寸法設定された、前記ニードル燃料チャンバ(24)からの距離(X)を有することを特徴とする、請求項1に記載の二元燃料システム。 - 単一の中央の第1のノズル弁(7)を備えることを特徴とする、請求項1または2に記載の二元燃料システム。
- 前記複数の第2のノズル弁(9)には、共通切換弁(18)が割り当てられていることを特徴とする、請求項1~3のいずれか一項に記載の二元燃料システム。
- 前記切換弁(18)は、前記二元燃料噴射装置(6)の基体(23)の外部に配置されることを特徴とする、請求項1から4のいずれか一項に記載の二元燃料システム。
- 少なくとも1つのシリンダ(2)を有し、
請求項1から5のいずれか一項に記載の二元燃料システムを有する、内燃機関。 - 請求項6に記載の内燃機関を動作させるための方法であって、各々の前記複数の第2のノズル弁(9)は、各々の前記シリンダ(2)の噴射サイクルに応じて前記第2の燃料の供給を受ける、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017123315.6A DE102017123315A1 (de) | 2017-10-09 | 2017-10-09 | Dual-Fuel-Injektor, Dual-Fuel-Kraftstoffsystem, Brennkraftmaschine und Verfahren zum Betreiben derselben |
DE102017123315.6 | 2017-10-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019070387A JP2019070387A (ja) | 2019-05-09 |
JP7463053B2 true JP7463053B2 (ja) | 2024-04-08 |
Family
ID=65817185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018189962A Active JP7463053B2 (ja) | 2017-10-09 | 2018-10-05 | 二元燃料システム、該二元燃料システムを有する内燃機関、及び該内燃機関を動作させるための方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP7463053B2 (ja) |
KR (1) | KR102595693B1 (ja) |
CN (1) | CN109630335B (ja) |
DE (1) | DE102017123315A1 (ja) |
FI (1) | FI129990B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020116707A1 (de) | 2020-06-25 | 2021-12-30 | Man Energy Solutions Se | Kraftstoffinjektor einer Dual-Fuel Brennkraftmaschine und Dual-Fuel Brennkraftmaschine |
DE102020116709B4 (de) | 2020-06-25 | 2024-03-07 | Man Energy Solutions Se | Dual-Fuel Brennkraftmaschine |
DE102020116710A1 (de) | 2020-06-25 | 2021-12-30 | Man Energy Solutions Se | Dual-Fuel Brennkraftmaschine |
DE102020127782A1 (de) | 2020-10-22 | 2022-04-28 | Man Energy Solutions Se | Kraftstoffinjektor einer Dual-Fuel Brennkraftmaschine, Dual-Fuel Brennkraftmaschine und Verfahren zu Betreiben derselben |
CN113291446B (zh) * | 2021-06-29 | 2022-04-19 | 广船国际有限公司 | 一种甲醇双燃料船舶日用柜的补给系统及其使用方法 |
KR20230110019A (ko) * | 2022-01-14 | 2023-07-21 | 현대자동차주식회사 | 자동차의 내연 기관 내로 개선제로 농축된 연료를 직접 분사하기 위한 방법 및 시스템 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001280223A (ja) | 2000-03-31 | 2001-10-10 | Denso Corp | 燃料噴射ノズル |
US20170130685A1 (en) | 2014-07-19 | 2017-05-11 | L'orange Gmbh | Dual fuel fuel-injector |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61138873A (ja) * | 1984-12-08 | 1986-06-26 | Mitsubishi Heavy Ind Ltd | 蓄圧管制弁式燃料噴射系 |
JPS6255456A (ja) * | 1985-09-03 | 1987-03-11 | Mitsui Eng & Shipbuild Co Ltd | 燃料噴射装置 |
JPS6238867A (ja) * | 1985-08-13 | 1987-02-19 | Mitsui Eng & Shipbuild Co Ltd | 燃料噴射弁 |
JPH0233463A (ja) * | 1988-07-21 | 1990-02-02 | Mitsubishi Heavy Ind Ltd | 二元燃料噴射弁 |
FI88333C (fi) * | 1991-06-25 | 1993-04-26 | Waertsilae Diesel Int | Foerbaettrat insprutningsventilarrangemang foer braensle |
JPH07259687A (ja) * | 1994-03-16 | 1995-10-09 | Unisia Jecs Corp | 2流体噴射弁 |
FI101168B (fi) * | 1994-12-23 | 1998-04-30 | Waertsilae Nsd Oy Ab | Ruiskutusjärjestely ja menetelmä sen käyttämiseksi polttomoottorissa |
JP4454567B2 (ja) * | 2005-11-14 | 2010-04-21 | 株式会社デンソー | 燃料噴射ノズル |
US8596561B2 (en) * | 2011-08-31 | 2013-12-03 | Caterpillar Inc. | Dual fuel injector with hydraulic lock seal |
DK177623B1 (en) * | 2012-06-29 | 2013-12-16 | Man Diesel & Turbo Deutschland | An internal combustion engine with variable fuel gas injection pressure and duration |
US20140069387A1 (en) * | 2012-09-07 | 2014-03-13 | Caterpillar Inc. | Dual fuel injector and common rail fuel system using same |
JP5925104B2 (ja) * | 2012-10-19 | 2016-05-25 | 三菱重工業株式会社 | 燃料ガス噴射弁、デュアルフューエルガスエンジン及び燃料ガス噴射弁の噴射方法 |
DE102012022498A1 (de) * | 2012-11-19 | 2014-05-22 | L'orange Gmbh | Zweistoff-Injektor |
DE102013017853B4 (de) * | 2013-10-26 | 2021-03-04 | Woodward L'orange Gmbh | Verfahren zur Ausführung mit einem Dual-Fuel-Kraftstoffeinspritzsystem |
DE102014014452B4 (de) | 2014-09-26 | 2016-07-14 | L'orange Gmbh | Dual-Fuel-Injektor, Verfahren zur Ausführung damit sowie Dual-Fuel-Kraftstoffeinspritzsystem |
DK178656B1 (en) * | 2015-03-20 | 2016-10-17 | Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland | Fuel valve for injecting a low flashpoint fuel into a combustion chamber of a large self-igniting turbocharged two-stroke internal combustion engine |
DE102016002228B4 (de) * | 2016-02-25 | 2017-12-14 | L'orange Gmbh | Kraftstoffinjektor |
CN106762276A (zh) * | 2017-01-05 | 2017-05-31 | 江苏大学 | 一种防空蚀新型双燃料喷射器及共轨燃料系统 |
-
2017
- 2017-10-09 DE DE102017123315.6A patent/DE102017123315A1/de active Pending
-
2018
- 2018-09-20 KR KR1020180112723A patent/KR102595693B1/ko active IP Right Grant
- 2018-10-04 FI FI20185834A patent/FI129990B/en active
- 2018-10-05 JP JP2018189962A patent/JP7463053B2/ja active Active
- 2018-10-09 CN CN201811172697.5A patent/CN109630335B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001280223A (ja) | 2000-03-31 | 2001-10-10 | Denso Corp | 燃料噴射ノズル |
US20170130685A1 (en) | 2014-07-19 | 2017-05-11 | L'orange Gmbh | Dual fuel fuel-injector |
Also Published As
Publication number | Publication date |
---|---|
KR102595693B1 (ko) | 2023-10-27 |
DE102017123315A1 (de) | 2019-04-11 |
JP2019070387A (ja) | 2019-05-09 |
CN109630335B (zh) | 2022-03-08 |
CN109630335A (zh) | 2019-04-16 |
KR20190040114A (ko) | 2019-04-17 |
FI129990B (en) | 2022-12-15 |
FI20185834A1 (fi) | 2019-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7463053B2 (ja) | 二元燃料システム、該二元燃料システムを有する内燃機関、及び該内燃機関を動作させるための方法 | |
EP2487353B1 (en) | Dual fuel common rail system | |
US9605635B2 (en) | Two-phase fuel injection valve for diesel engine and gas engine including nozzle having pumping function | |
KR20130136495A (ko) | 연료 분사 유닛, 그 연료 분사 유닛과 내연 엔진의 작동 방법 | |
US9562497B2 (en) | Engine system having piezo actuated gas injector | |
KR101978012B1 (ko) | 연료 분사 장치 | |
US10539107B2 (en) | Fuel injection unit and fuel feeding arrangement | |
RU2689239C1 (ru) | Топливный клапан и способ впрыска газообразного топлива в камеру сгорания большого двухтактного двигателя внутреннего сгорания с турбонаддувом с воспламенением от сжатия | |
EP3440338B1 (en) | Injection system and method for injecting supplementary liquid into cylinders of piston engine | |
JP2010133328A (ja) | エンジンの燃料供給装置 | |
US11384721B1 (en) | Dual fuel system having dual fuel injector and engine operating method | |
ATE434126T1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
KR102034334B1 (ko) | 연료 주입 배열체 | |
EP3032091B1 (en) | Fuel injection arrangement | |
WO2023137515A1 (en) | Hydrogen-diesel direct injection dual-fuel system for internal combustion engines | |
CN114382623A (zh) | 双燃料内燃机的燃料喷射器、双燃料内燃机及其操作方法 | |
JP2010038047A (ja) | 燃料噴射装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210702 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220817 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220905 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221028 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230313 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230526 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230925 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240304 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240327 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7463053 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |