JPWO2016072391A1 - ユニフロー掃気式2サイクルエンジン - Google Patents
ユニフロー掃気式2サイクルエンジン Download PDFInfo
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- JPWO2016072391A1 JPWO2016072391A1 JP2016557759A JP2016557759A JPWO2016072391A1 JP WO2016072391 A1 JPWO2016072391 A1 JP WO2016072391A1 JP 2016557759 A JP2016557759 A JP 2016557759A JP 2016557759 A JP2016557759 A JP 2016557759A JP WO2016072391 A1 JPWO2016072391 A1 JP WO2016072391A1
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- JP
- Japan
- Prior art keywords
- scavenging
- fuel
- cylinder
- gas
- 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.)
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Classifications
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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
- 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
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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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
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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
- 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
- F02D19/025—Failure diagnosis or prevention; Safety measures; Testing
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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
- 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
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/029—Determining density, viscosity, concentration or composition
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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
- 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
- F02D19/0697—Arrangement of fuel supply systems on engines or vehicle bodies; Components of the fuel supply system being combined with another device
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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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- 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
- F02B2201/00—Fuels
- F02B2201/06—Dual fuel applications
- F02B2201/064—Liquid and gas
-
- 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
- F02B2710/00—Gas engines
- F02B2710/03—Two stroke engines
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
- F02D2041/225—Leakage detection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/04—Two-stroke combustion engines with electronic control
-
- 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
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
Description
本願は、2014年11月4日に日本に出願された特願2014−224454号に基づき優先権を主張し、その内容をここに援用する。
110 シリンダ
112 ピストン
118 掃気ポート
122 掃気室
124 燃焼室
126 燃料噴射口
128 燃料噴射弁
140 燃料タンク
144 燃料供給路
146 隔離空間
150 ガス検知センサ
Claims (3)
- 内部に燃焼室が形成されるシリンダと、
前記シリンダ内を摺動するピストンと、
前記シリンダのうち、前記ピストンのストローク方向の一端側を囲み、圧縮された活性ガスが導かれる掃気室と、
前記シリンダのうち前記掃気室内に位置する部分に設けられ、前記ピストンの摺動動作に応じて、前記掃気室から前記燃焼室に活性ガスを吸入する掃気ポートと、
前記掃気ポートよりも前記シリンダの径方向外側に設けられ、前記掃気ポートに吸入される前記活性ガスに燃料ガスを噴射する燃料噴射口と、
前記燃料ガスが貯留された燃料タンクから前記燃料噴射口まで連通する燃料供給路を開閉する燃料噴射弁と、
を備え、
前記燃料噴射弁が、前記掃気室と隔離された隔離空間に配されるユニフロー掃気式2サイクルエンジン。 - 前記隔離空間に配置され、前記隔離空間における前記燃料ガスの漏出を検出するガス検知センサをさらに備える請求項1に記載のユニフロー掃気式2サイクルエンジン。
- 前記隔離空間が密閉構造である請求項2に記載のユニフロー掃気式2サイクルエンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014224454 | 2014-11-04 | ||
JP2014224454 | 2014-11-04 | ||
PCT/JP2015/080926 WO2016072391A1 (ja) | 2014-11-04 | 2015-11-02 | ユニフロー掃気式2サイクルエンジン |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2016072391A1 true JPWO2016072391A1 (ja) | 2017-04-27 |
Family
ID=55909116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016557759A Pending JPWO2016072391A1 (ja) | 2014-11-04 | 2015-11-02 | ユニフロー掃気式2サイクルエンジン |
Country Status (7)
Country | Link |
---|---|
US (1) | US10502120B2 (ja) |
EP (1) | EP3216994B1 (ja) |
JP (1) | JPWO2016072391A1 (ja) |
KR (1) | KR101982658B1 (ja) |
CN (1) | CN107002549B (ja) |
DK (1) | DK3216994T3 (ja) |
WO (1) | WO2016072391A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3303822B1 (en) * | 2015-05-29 | 2021-05-19 | Bombardier Recreational Products Inc. | Internal combustion engine having two fuel injectors per cylinder and control method therefor |
JP6536541B2 (ja) * | 2016-11-16 | 2019-07-03 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JPWO2018135191A1 (ja) * | 2017-01-18 | 2019-06-27 | 本田技研工業株式会社 | 2ストロークエンジン |
JP7090433B2 (ja) * | 2018-02-21 | 2022-06-24 | 株式会社ジャパンエンジンコーポレーション | 舶用ディーゼルエンジンの掃気整流構造 |
JP7326175B2 (ja) * | 2020-01-30 | 2023-08-15 | 川崎重工業株式会社 | 判定装置、船陸間通信システムおよび判定方法 |
DK180809B1 (en) * | 2020-12-09 | 2022-04-07 | Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland | Internal combustion engine |
JP2023097540A (ja) * | 2021-12-28 | 2023-07-10 | 川崎重工業株式会社 | ガスエンジン |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6282355U (ja) * | 1985-11-13 | 1987-05-26 | ||
JP2005214090A (ja) * | 2004-01-30 | 2005-08-11 | Tokyo Gas Co Ltd | 定置式内燃機関 |
JP2007332800A (ja) * | 2006-06-12 | 2007-12-27 | Yamaha Motor Powered Products Co Ltd | 発電装置 |
JP2012154189A (ja) * | 2011-01-24 | 2012-08-16 | Ihi Corp | 2サイクルエンジン |
US20140238350A1 (en) * | 2013-02-25 | 2014-08-28 | Caterpillar Inc. | Fuel Injection System and Method for a Combustion Engine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07224741A (ja) * | 1994-02-15 | 1995-08-22 | Yamaha Motor Co Ltd | 燃料噴射式2サイクルエンジン |
JPH10325321A (ja) * | 1997-05-24 | 1998-12-08 | Honda Motor Co Ltd | 2サイクル内燃機関 |
DE102011003909B4 (de) * | 2011-02-10 | 2018-05-30 | Man Diesel & Turbo Se | Zweitaktbrennkraftmaschine und Verfahren zum Betreiben derselben |
JP5395848B2 (ja) | 2011-06-24 | 2014-01-22 | 三井造船株式会社 | 低速2サイクルガスエンジン |
JP5998671B2 (ja) * | 2012-06-27 | 2016-09-28 | 株式会社Ihi | 2サイクルエンジン |
JP6115045B2 (ja) | 2012-08-31 | 2017-04-19 | 株式会社Ihi | ユニフロー掃気式2サイクルエンジン |
FI124874B (fi) * | 2012-11-13 | 2015-02-27 | Wärtsilä Finland Oy | Kaasunsyöttöjärjestelmä mäntämoottorille ja asennusmenetelmä |
JP6075086B2 (ja) * | 2013-01-28 | 2017-02-08 | 株式会社Ihi | ユニフロー掃気式2サイクルエンジンおよびユニフロー掃気式2サイクルエンジンの燃料噴射方法 |
-
2015
- 2015-11-02 CN CN201580059152.1A patent/CN107002549B/zh active Active
- 2015-11-02 KR KR1020177007113A patent/KR101982658B1/ko active IP Right Grant
- 2015-11-02 JP JP2016557759A patent/JPWO2016072391A1/ja active Pending
- 2015-11-02 EP EP15857242.0A patent/EP3216994B1/en active Active
- 2015-11-02 WO PCT/JP2015/080926 patent/WO2016072391A1/ja active Application Filing
- 2015-11-02 DK DK15857242.0T patent/DK3216994T3/da active
-
2017
- 2017-03-30 US US15/474,556 patent/US10502120B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6282355U (ja) * | 1985-11-13 | 1987-05-26 | ||
JP2005214090A (ja) * | 2004-01-30 | 2005-08-11 | Tokyo Gas Co Ltd | 定置式内燃機関 |
JP2007332800A (ja) * | 2006-06-12 | 2007-12-27 | Yamaha Motor Powered Products Co Ltd | 発電装置 |
JP2012154189A (ja) * | 2011-01-24 | 2012-08-16 | Ihi Corp | 2サイクルエンジン |
US20140238350A1 (en) * | 2013-02-25 | 2014-08-28 | Caterpillar Inc. | Fuel Injection System and Method for a Combustion Engine |
Also Published As
Publication number | Publication date |
---|---|
US10502120B2 (en) | 2019-12-10 |
EP3216994A4 (en) | 2018-06-20 |
CN107002549A (zh) | 2017-08-01 |
DK3216994T3 (da) | 2020-06-15 |
WO2016072391A1 (ja) | 2016-05-12 |
KR101982658B1 (ko) | 2019-05-27 |
EP3216994B1 (en) | 2020-04-22 |
CN107002549B (zh) | 2020-01-31 |
KR20170036800A (ko) | 2017-04-03 |
EP3216994A1 (en) | 2017-09-13 |
US20170204778A1 (en) | 2017-07-20 |
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