JP2020097935A - 内燃機関 - Google Patents
内燃機関 Download PDFInfo
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- JP2020097935A JP2020097935A JP2019222822A JP2019222822A JP2020097935A JP 2020097935 A JP2020097935 A JP 2020097935A JP 2019222822 A JP2019222822 A JP 2019222822A JP 2019222822 A JP2019222822 A JP 2019222822A JP 2020097935 A JP2020097935 A JP 2020097935A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 43
- 239000002737 fuel gas Substances 0.000 claims abstract description 219
- 239000007789 gas Substances 0.000 claims abstract description 54
- 230000002000 scavenging effect Effects 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000010304 firing Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 description 21
- 230000008901 benefit Effects 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000010759 marine diesel oil Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
- 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
-
- 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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
- F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
-
- 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
-
- 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
-
- 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
- F02B69/00—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
- F02B69/02—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel
- F02B69/04—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel for gaseous and non-gaseous fuels
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
-
- 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
-
- 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
-
- 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
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- 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
-
- 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
- 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
- F02M61/162—Means to impart a whirling motion to fuel upstream or near discharging orifices
-
- 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
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- 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
- Y02T10/30—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)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Description
Claims (10)
- 複数のシリンダを有する2ストロークユニフロー掃気クロスヘッド内燃機関(100)であって、
前記2ストローク内燃機関(100)は、燃料ガス供給システムを介して燃料ガスをシリンダ(101)のうちの少なくとも1つに噴射するように構成され、
前記燃料ガス供給システムは、前記少なくとも1つのシリンダに対して、圧縮ストロークの間、前記燃料ガスを前記シリンダ(101)に噴射するように構成されている1つ以上の燃料ガス弁(105)を備え、前記燃料ガスが掃気と混合することを可能にし、発火する前に掃気と燃料ガスとの混合を圧縮することを許容し、
前記1つ以上の燃料ガス弁(105)は、燃料ガスを前記シリンダの内側に提供するための1つ以上のノズル出口(206)を有する燃料ガスノズル(204)を有し、前記燃料ガスノズル(204)は、前記燃料ガス中で回転運動を発生するように構成されることを特徴とする、2ストローク内燃機関。 - 前記燃料ガスノズル(204)は、前記燃料ガス中で回転運動を発生するように構成されているフロー変更要素(205)を備える、請求項1に記載の2ストローク内燃機関。
- 前記フロー変更要素(205)は、第1の方向に前記燃料ガスの第1の部分を誘導するように構成されている、請求項1または2に記載の2ストローク内燃機関。
- 前記フロー変更要素(205)は、第2の方向に前記燃料ガスの第2の部分を誘導するようにさらに構成されている、請求項3に記載の2ストローク内燃機関。
- 前記フロー変更要素(300)は、前記第1の方向に前記燃料ガスの前記第1の部分を誘導するように構成されている第1のチャネル(302)を備える、請求項3または4に記載の2ストローク内燃機関。
- 前記フロー変更要素(400)は、少なくとも5度、少なくとも10度、または、少なくとも20度の前記フロー変更要素の前記燃料ガスの上流のフロー方向に対する入射角を有する第1の表面(401)を備える、請求項2から5のうちのいずれか1項に記載の2ストローク内燃機関。
- 前記燃料ガス供給システムは、前記シリンダのうちの少なくとも1つに対して、第1のノズル出口および第2のノズル出口を備え、前記燃料ガス供給システムは、前記第1のノズル出口と前記第2のノズル出口とを出る前記燃料ガス中で回転運動を発生するように構成され、前記第1のノズル出口を出る前記燃料ガスの回転運動は、前記第2のノズル出口を出る前記燃料ガスの回転運動よりも強い、請求項1から6のうちのいずれか1項に記載の2ストローク内燃機関。
- 前記燃料ガス供給システムは、前記シリンダのうちの少なくとも1つに対して、第1の燃料ガス弁と第2の燃料ガス弁とを備え、前記第1の燃料ガス弁と前記第2の燃料ガス弁は、前記圧縮ストロークの間、燃料ガスを前記シリンダに噴射するように構成され、前記燃料ガスが掃気と混合することを可能にし、発火する前に掃気と燃料ガスとの混合を圧縮することを許容し、
前記第1の燃料ガス弁と前記第2の燃料ガス弁は、燃料ガスノズルを有し、
前記第1のノズル出口は、前記第1の燃料ガス弁の前記燃料ガスノズルのノズル出口であり、前記第2のノズル出口は、前記第2の燃料ガス弁の前記燃料ガスノズルのノズル出口である、請求項7に記載の2ストローク内燃機関。 - 前記燃料ガス供給システムは、前記シリンダのうちの少なくとも1つに対して、前記圧縮ストロークの間、前記燃料ガスを前記シリンダに噴射するように構成されている第1の燃料ガス弁を備え、前記燃料ガスが掃気と混合することを可能にし、発火する前に掃気と燃料ガスとの混合を圧縮することを許容し、
前記第1の燃料ガス弁は、燃料ガスノズルを有し、
前記第1のノズル出口と前記第2のノズル出口の両方は、前記第1の燃料ガス弁の前記燃料ガスノズルのノズル出口である、請求項7に記載の2ストローク内燃機関。 - 前記燃料ガス弁(105)は、前記圧縮ストロークの間、燃料ガスを前記シリンダに噴射するように適合され、前記燃料ガスが掃気と混合することを可能にし、発火する前に掃気と燃料ガスとの混合を圧縮することを許容し、
前記燃料ガス弁(105)は燃料ガスノズル(204)を有し、前記燃料ガスノズル(204)は燃料ガスを前記シリンダの内側に提供するための1つ以上のノズル出口(206)を有し、
前記燃料ガスノズル(204)は、前記燃料ガス中で回転運動を発生するように構成される、請求項1から9のうちのいずれか1項に記載の2ストローク内燃機関に対する燃料ガス弁。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA201870806A DK180103B1 (en) | 2018-12-11 | 2018-12-11 | Internal combustion engine |
DKPA201870806 | 2018-12-11 |
Publications (2)
Publication Number | Publication Date |
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JP2020097935A true JP2020097935A (ja) | 2020-06-25 |
JP6866462B2 JP6866462B2 (ja) | 2021-04-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019222822A Active JP6866462B2 (ja) | 2018-12-11 | 2019-12-10 | 内燃機関 |
Country Status (4)
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JP (1) | JP6866462B2 (ja) |
KR (1) | KR102272824B1 (ja) |
CN (1) | CN111305976B (ja) |
DK (1) | DK180103B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2022091731A (ja) * | 2020-12-09 | 2022-06-21 | マン・エナジー・ソリューションズ、フィリアル・エフ・マン・エナジー・ソリューションズ・エスイー、ティスクランド | 内燃機関 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DK180798B1 (en) * | 2020-07-15 | 2022-04-01 | Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland | Internal combustion engine |
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GB201001562D0 (en) * | 2010-01-29 | 2010-03-17 | Ricardo Uk Ltd | Direct injection diesel |
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2018
- 2018-12-11 DK DKPA201870806A patent/DK180103B1/en active IP Right Grant
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2019
- 2019-11-22 CN CN201911154514.1A patent/CN111305976B/zh active Active
- 2019-12-10 JP JP2019222822A patent/JP6866462B2/ja active Active
- 2019-12-11 KR KR1020190164558A patent/KR102272824B1/ko active IP Right Grant
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JPH11193734A (ja) * | 1986-08-01 | 1999-07-21 | Orbital Engine Co Pty Ltd | 内燃機関の燃料噴射方法 |
JPH0254365U (ja) * | 1988-10-12 | 1990-04-19 | ||
JPH0849634A (ja) * | 1994-07-15 | 1996-02-20 | New Sulzer Diesel Ag | 燃料噴射ノズル用ノズルヘッド及び燃料噴射方法 |
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Cited By (2)
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JP7159430B2 (ja) | 2020-12-09 | 2022-10-24 | マン・エナジー・ソリューションズ、フィリアル・エフ・マン・エナジー・ソリューションズ・エスイー、ティスクランド | 内燃機関 |
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CN111305976B (zh) | 2022-04-05 |
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