JP6866325B2 - 舶用エンジン - Google Patents
舶用エンジン Download PDFInfo
- Publication number
- JP6866325B2 JP6866325B2 JP2018050004A JP2018050004A JP6866325B2 JP 6866325 B2 JP6866325 B2 JP 6866325B2 JP 2018050004 A JP2018050004 A JP 2018050004A JP 2018050004 A JP2018050004 A JP 2018050004A JP 6866325 B2 JP6866325 B2 JP 6866325B2
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- piston
- compression ratio
- stress
- dead center
- crankshaft
- Prior art date
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- 230000006835 compression Effects 0.000 claims description 52
- 238000007906 compression Methods 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 19
- 238000013459 approach Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 description 25
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 230000002000 scavenging effect Effects 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
Images
Classifications
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/21—Control means for engine or transmission, specially adapted for use on marine vessels
-
- 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
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
-
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
-
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
-
- 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
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/047—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of variable crankshaft position
-
- 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
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/085—Safety, indicating, or supervising devices with sensors measuring combustion processes, e.g. knocking, pressure, ionization, combustion flame
-
- 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
- F02D13/028—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation for two-stroke engines
- F02D13/0284—Variable control of exhaust valves only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
- F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
-
- 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
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- 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
- F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/14—Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines
-
- 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
- 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
- F02D19/08—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 simultaneously using pluralities of fuels
- F02D19/10—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 simultaneously using pluralities of fuels peculiar to compression-ignition engines in which the main fuel is gaseous
-
- 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
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/28—Control for reducing torsional vibrations, e.g. at acceleration
-
- 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)
- Ocean & Marine Engineering (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
圧縮比制御部182は、エンジン回転数が共振発生範囲に含まれるか否かを判定する。共振発生範囲に含まれれば、S202に処理を移す。共振発生範囲に含まれなければ、当該下降処理を終了する。
圧縮比制御部182は、パルスカウンタSbによって検出された回転変動から捩り応力を導出する。
圧縮比制御部182は、捩り応力が許容応力を超えない範囲で許容応力に近づくように、ピストン112の上死点位置をフィードバック制御し、当該下降処理を終了する。
112 ピストン
120 クランクシャフト
182 圧縮比制御部
Sb パルスカウンタ(検出部)
Claims (2)
- ピストンと、
エンジン回転数が、予め設定された共振発生範囲に含まれるとき、クランクシャフトの捩り応力が前記クランクシャフトの許容応力を超えないように、前記ピストンの上死点位置を下死点側に移動させる下降処理を遂行する圧縮比制御部と、
を備え、
前記圧縮比制御部は、前記下降処理において、前記捩り応力が前記許容応力を超えない範囲で前記許容応力に近づくように、前記ピストンの上死点位置を制御する舶用エンジン。 - 前記クランクシャフトの回転変動を検出する検出部を備え、
前記圧縮比制御部は、前記下降処理において、検出された前記回転変動から特定される前記捩り応力が前記許容応力を超えない範囲で前記許容応力に近づくように、前記ピストンの上死点位置をフィードバック制御する請求項1に記載の舶用エンジン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018050004A JP6866325B2 (ja) | 2018-03-16 | 2018-03-16 | 舶用エンジン |
CN201980019829.7A CN111836955B (zh) | 2018-03-16 | 2019-03-14 | 船舶用发动机 |
EP19767911.1A EP3767094A4 (en) | 2018-03-16 | 2019-03-14 | MARINE ENGINE |
KR1020207021327A KR102312788B1 (ko) | 2018-03-16 | 2019-03-14 | 선박용 엔진 |
PCT/JP2019/010588 WO2019177108A1 (ja) | 2018-03-16 | 2019-03-14 | 舶用エンジン |
US16/894,749 US11131254B2 (en) | 2018-03-16 | 2020-06-05 | Marine engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018050004A JP6866325B2 (ja) | 2018-03-16 | 2018-03-16 | 舶用エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019157843A JP2019157843A (ja) | 2019-09-19 |
JP6866325B2 true JP6866325B2 (ja) | 2021-04-28 |
Family
ID=67907208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018050004A Active JP6866325B2 (ja) | 2018-03-16 | 2018-03-16 | 舶用エンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US11131254B2 (ja) |
EP (1) | EP3767094A4 (ja) |
JP (1) | JP6866325B2 (ja) |
KR (1) | KR102312788B1 (ja) |
CN (1) | CN111836955B (ja) |
WO (1) | WO2019177108A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7127003B2 (ja) * | 2019-10-30 | 2022-08-29 | 株式会社Ihi原動機 | エンジン |
NO20200639A1 (no) * | 2020-05-29 | 2021-11-30 | Lars Harald Heggen | Gassveksling i forbrenningsmotorer for økt virkningsgrad |
JP7507698B2 (ja) | 2021-01-13 | 2024-06-28 | 株式会社三井E&S Du | エンジン |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS575236A (en) | 1980-06-13 | 1982-01-12 | Hitachi Ltd | Electron gun frame body for color picture tube |
JP3004307B2 (ja) | 1990-03-23 | 2000-01-31 | 三菱重工業株式会社 | ディーゼル機関のクランク軸ねじり振動抑制装置 |
JP3004307U (ja) | 1994-05-17 | 1994-11-15 | 幸子 横田 | 靴の汚損防止具 |
JP2001123857A (ja) * | 1996-07-18 | 2001-05-08 | Toyota Motor Corp | 駆動装置 |
JP3250483B2 (ja) | 1996-07-18 | 2002-01-28 | トヨタ自動車株式会社 | 駆動装置 |
JP2007032388A (ja) * | 2005-07-26 | 2007-02-08 | Denso Corp | 内燃機関の始動制御装置 |
JP2007170198A (ja) * | 2005-12-19 | 2007-07-05 | Toyota Motor Corp | 内燃機関のトルク制御装置 |
JP4640236B2 (ja) | 2006-04-05 | 2011-03-02 | 日産自動車株式会社 | 内燃機関の始動装置 |
KR100921806B1 (ko) * | 2007-11-29 | 2009-10-16 | 현대자동차주식회사 | 가변 압축비 장치 |
JP2010223068A (ja) * | 2009-03-23 | 2010-10-07 | Hitachi Automotive Systems Ltd | 内燃機関の制御装置 |
JP4788797B2 (ja) * | 2009-03-31 | 2011-10-05 | マツダ株式会社 | 過給機付き直噴エンジン |
JP5040951B2 (ja) * | 2009-03-31 | 2012-10-03 | マツダ株式会社 | 直噴エンジンの制御方法および直噴エンジン |
DE112009004622B4 (de) * | 2009-04-02 | 2014-01-16 | Toyota Jidosha Kabushiki Kaisha | Motorsteuerungssystem |
JP2010242690A (ja) * | 2009-04-09 | 2010-10-28 | Nissan Motor Co Ltd | 可変圧縮比内燃機関の制御装置 |
JP5621761B2 (ja) * | 2011-12-12 | 2014-11-12 | トヨタ自動車株式会社 | 可変圧縮比機構を備える内燃機関を搭載する車両 |
JP5795731B2 (ja) * | 2011-12-16 | 2015-10-14 | 川崎重工業株式会社 | ねじり振動応力低減制御装置、これを備えた船舶、及びねじり振動応力低減方法 |
JP5942805B2 (ja) * | 2012-11-16 | 2016-06-29 | トヨタ自動車株式会社 | 火花点火式内燃機関 |
JP6025640B2 (ja) * | 2013-03-28 | 2016-11-16 | 三菱重工業株式会社 | エンジンの失火時負荷制御方法およびその失火時負荷制御システム |
DE102014002368B4 (de) * | 2013-11-14 | 2015-11-12 | Audi Ag | Mehrgelenkskurbeltrieb einer Brennkraftmaschine sowie entsprechende Brennkraftmaschine |
JP6137340B2 (ja) * | 2014-01-20 | 2017-05-31 | 株式会社Ihi | クロスヘッド型エンジン |
CN105899781B (zh) * | 2014-01-20 | 2018-06-15 | 株式会社 Ihi | 十字头型发动机 |
CN107002563B (zh) * | 2014-12-09 | 2020-06-12 | 日产自动车株式会社 | 内燃机的控制装置 |
JP6451486B2 (ja) * | 2015-05-11 | 2019-01-16 | 株式会社Ihi | 油圧発生装置およびクロスヘッド型エンジン |
JP6515710B2 (ja) * | 2015-07-07 | 2019-05-22 | 日産自動車株式会社 | 内燃機関の制御装置 |
JP2018050004A (ja) | 2016-09-23 | 2018-03-29 | 東芝メモリ株式会社 | 半導体装置の製造方法 |
-
2018
- 2018-03-16 JP JP2018050004A patent/JP6866325B2/ja active Active
-
2019
- 2019-03-14 CN CN201980019829.7A patent/CN111836955B/zh active Active
- 2019-03-14 WO PCT/JP2019/010588 patent/WO2019177108A1/ja active Application Filing
- 2019-03-14 EP EP19767911.1A patent/EP3767094A4/en active Pending
- 2019-03-14 KR KR1020207021327A patent/KR102312788B1/ko active IP Right Grant
-
2020
- 2020-06-05 US US16/894,749 patent/US11131254B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN111836955B (zh) | 2022-12-06 |
US20200300183A1 (en) | 2020-09-24 |
CN111836955A (zh) | 2020-10-27 |
WO2019177108A1 (ja) | 2019-09-19 |
US11131254B2 (en) | 2021-09-28 |
KR20200096654A (ko) | 2020-08-12 |
JP2019157843A (ja) | 2019-09-19 |
EP3767094A4 (en) | 2021-12-15 |
EP3767094A1 (en) | 2021-01-20 |
KR102312788B1 (ko) | 2021-10-13 |
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