JP6521095B2 - ガスエンジン - Google Patents
ガスエンジン Download PDFInfo
- Publication number
- JP6521095B2 JP6521095B2 JP2017553819A JP2017553819A JP6521095B2 JP 6521095 B2 JP6521095 B2 JP 6521095B2 JP 2017553819 A JP2017553819 A JP 2017553819A JP 2017553819 A JP2017553819 A JP 2017553819A JP 6521095 B2 JP6521095 B2 JP 6521095B2
- Authority
- JP
- Japan
- Prior art keywords
- scavenging
- fuel injection
- opening degree
- pressure
- injection port
- 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
- 230000002000 scavenging effect Effects 0.000 claims description 117
- 238000002347 injection Methods 0.000 claims description 98
- 239000007924 injection Substances 0.000 claims description 98
- 239000000446 fuel Substances 0.000 claims description 91
- 239000007789 gas Substances 0.000 claims description 52
- 239000002737 fuel gas Substances 0.000 claims description 47
- 230000008859 change Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 239000000295 fuel oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- F02B25/06—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke the cylinder-head ports being controlled by working pistons, e.g. by sleeve-shaped extensions thereof
-
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
-
- 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
- F02D19/02—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 gaseous fuels
- F02D19/021—Control of components of the fuel supply system
- F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/024—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
- 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
- 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
- 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
-
- 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
- F02M21/0278—Port fuel injectors for single or multipoint injection into the air intake system
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
110 シリンダ
118 掃気ポート
120 掃気溜(掃気空間)
122 掃気室(掃気空間)
132 排気ポート
144 燃料噴射部
152 燃料噴射口
148 内管
148b 内孔
150 外管
150b 外孔
154 開度調整部
162 受圧部
254 開度調整部
254a アクチュエータ
266 データ取得部
Claims (7)
- 掃気ポートからシリンダの内部に活性ガスが流入し、この活性ガスと混合した燃料ガスが燃焼するガスエンジンであって、
前記シリンダの外側に位置する燃料噴射口を有し、前記掃気ポートから前記シリンダに吸入される前記活性ガスに、前記燃料噴射口から燃料ガスを噴射する燃料噴射部と、
前記掃気圧に応じて、前記燃料噴射口の開度を機械的または電気的に変える開度調整部と、
前記シリンダの一部を囲み、圧縮された活性ガスが導かれる掃気空間のうち、前記燃料噴射口より前記掃気ポートから離れた位置で、掃気圧を受ける受圧部と
を備え、
前記開度調整部は、前記受圧部が受ける掃気圧と大気圧との差圧変化によって、前記燃料噴射口の開度を変えるガスエンジン。 - 前記開度調整部は、前記掃気圧が上昇すると、前記燃料噴射口の開度を大きくし、前記掃気圧が下降すると、前記燃料噴射口の開度を小さくする請求項1に記載のガスエンジン。
- 前記シリンダの一部を囲み、圧縮された活性ガスが導かれる掃気空間のうち、前記燃料噴射口より前記掃気ポートから離れた位置で、掃気圧を受ける受圧部をさらに備え、
前記開度調整部は、前記受圧部が受ける掃気圧と大気圧との差圧変化によって、前記燃料噴射口の開度を変える請求項2に記載のガスエンジン。 - 前記掃気圧を取得するデータ取得部をさらに備え、
前記開度調整部は、前記データ取得部が取得した前記掃気圧に応じて、前記燃料噴射口の開度を変えるアクチュエータを有する請求項1に記載のガスエンジン。 - 前記掃気圧を取得するデータ取得部をさらに備え、
前記開度調整部は、前記データ取得部が取得した前記掃気圧に応じて、前記燃料噴射口の開度を変えるアクチュエータを有する請求項2に記載のガスエンジン。 - 前記燃料噴射部は、
内部と外部を貫通する内孔が形成され、前記内部に燃料ガスが導かれる内管と、
内部と外部を貫通する外孔が形成され、前記内部に前記内管を収容して前記内管とともに二重管を形成する外管と、
を備え、
前記燃料噴射口は、前記内孔および前記外孔で構成され、前記内孔と前記外孔との重なりによって開度が可変となる請求項1から5のいずれか1項に記載のガスエンジン。 - 前記内管と前記外管が周方向に相対回転して、前記燃料噴射口の開度が変更される請求項6に記載のガスエンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015233168 | 2015-11-30 | ||
JP2015233168 | 2015-11-30 | ||
PCT/JP2016/084989 WO2017094616A1 (ja) | 2015-11-30 | 2016-11-25 | ガスエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017094616A1 JPWO2017094616A1 (ja) | 2018-07-12 |
JP6521095B2 true JP6521095B2 (ja) | 2019-05-29 |
Family
ID=58796776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017553819A Active JP6521095B2 (ja) | 2015-11-30 | 2016-11-25 | ガスエンジン |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3385530B1 (ja) |
JP (1) | JP6521095B2 (ja) |
KR (1) | KR102074477B1 (ja) |
CN (1) | CN108291500B (ja) |
DK (1) | DK3385530T3 (ja) |
WO (1) | WO2017094616A1 (ja) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9002862A (nl) * | 1990-12-21 | 1992-07-16 | Necam Bv | Inrichting voor het inspuiten van een gasvormige brandstof in een verbrandingsmotor, alsmede doseermiddel en drukregelklep daarvoor. |
JPH06323156A (ja) * | 1993-05-18 | 1994-11-22 | Isuzu Motors Ltd | 回転電機付ターボチャージャの制御装置 |
US5546919A (en) * | 1993-08-31 | 1996-08-20 | Yamaha Hatsudoki Kabushiki Kaisha | Operating arrangement for gaseous fueled engine |
DK176118B1 (da) | 1997-04-29 | 2006-09-04 | Man B & W Diesel As | Fremgangsmåde til drift af en trykladet dual fuel forbrændingsmotor af dieseltypen og en sådan motor |
JP4101738B2 (ja) * | 2003-12-03 | 2008-06-18 | 三菱重工業株式会社 | ガス燃料供給装置を備えたガスエンジン |
JP5618803B2 (ja) * | 2010-12-09 | 2014-11-05 | 日立造船株式会社 | 2ストロークエンジンおよび4ストロークエンジン |
JP5811538B2 (ja) * | 2011-01-24 | 2015-11-11 | 株式会社Ihi | 2サイクルエンジン |
US9689306B2 (en) * | 2011-06-14 | 2017-06-27 | Wsc Three S.A. | Method for supercritical diesel combustion |
JP5983196B2 (ja) * | 2012-08-31 | 2016-08-31 | 株式会社Ihi | ユニフロー掃気式2サイクルエンジン |
JP5480961B1 (ja) * | 2012-12-14 | 2014-04-23 | 川崎重工業株式会社 | ガスエンジン駆動システムおよび船舶 |
US9181883B2 (en) * | 2013-01-18 | 2015-11-10 | Nagesh S. Mavinahally | Four cycle engine carburetors |
DK2995795T3 (da) * | 2013-05-10 | 2019-08-05 | Ihi Corp | Totaktsmotor med længdeskylning |
US9316558B2 (en) * | 2013-06-04 | 2016-04-19 | GM Global Technology Operations LLC | System and method to diagnose fuel system pressure sensor |
JP6222244B2 (ja) * | 2013-12-24 | 2017-11-01 | 株式会社Ihi | ユニフロー掃気式2サイクルエンジン |
-
2016
- 2016-11-25 WO PCT/JP2016/084989 patent/WO2017094616A1/ja active Application Filing
- 2016-11-25 EP EP16870553.1A patent/EP3385530B1/en active Active
- 2016-11-25 DK DK16870553.1T patent/DK3385530T3/da active
- 2016-11-25 JP JP2017553819A patent/JP6521095B2/ja active Active
- 2016-11-25 CN CN201680069389.2A patent/CN108291500B/zh active Active
- 2016-11-25 KR KR1020187011045A patent/KR102074477B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP3385530A1 (en) | 2018-10-10 |
DK3385530T3 (da) | 2021-10-18 |
KR20180054792A (ko) | 2018-05-24 |
WO2017094616A1 (ja) | 2017-06-08 |
CN108291500B (zh) | 2021-01-01 |
EP3385530A4 (en) | 2019-06-26 |
EP3385530B1 (en) | 2021-09-08 |
JPWO2017094616A1 (ja) | 2018-07-12 |
CN108291500A (zh) | 2018-07-17 |
KR102074477B1 (ko) | 2020-02-06 |
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