JP2022146665A - エンジン - Google Patents
エンジン Download PDFInfo
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- JP2022146665A JP2022146665A JP2021047744A JP2021047744A JP2022146665A JP 2022146665 A JP2022146665 A JP 2022146665A JP 2021047744 A JP2021047744 A JP 2021047744A JP 2021047744 A JP2021047744 A JP 2021047744A JP 2022146665 A JP2022146665 A JP 2022146665A
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- engine
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- gaseous fuel
- fuel injection
- liquid fuel
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- 239000000446 fuel Substances 0.000 claims abstract description 162
- 238000002347 injection Methods 0.000 claims abstract description 84
- 239000007924 injection Substances 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000002485 combustion reaction Methods 0.000 claims abstract description 54
- 238000010344 co-firing Methods 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000000243 solution Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 239000002828 fuel tank Substances 0.000 description 10
- 230000033228 biological regulation Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 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
- 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
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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
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
-
- 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
-
- 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
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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
- F02D19/0686—Injectors
- F02D19/0689—Injectors for in-cylinder direct injection
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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
- F02D19/0686—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
- 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
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
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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
- F02D19/08—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
- F02D19/105—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 operating in a special mode, e.g. in a liquid fuel only mode for starting
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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
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
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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
- F02D41/0025—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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- 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
- F02D41/04—Introducing corrections for particular operating conditions
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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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
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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
- 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
- F02D2200/1002—Output torque
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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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/403—Multiple injections with pilot injections
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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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
気体燃料の発熱量=総発熱量-液体燃料の発熱量・・・・・式(1)
混焼率=気体燃料の発熱量/総発熱量・・・・・・・・・・式(2)
2 燃焼室
5 メイン燃料噴射弁
6 ディーゼルガバナ
9 給気圧調整手段
10 パイロット燃料噴射弁
16 制御部
Claims (8)
- 気体燃料を空気と混合させて燃焼させるガスモードと、液体燃料を燃焼室内に噴射して空気と燃焼させるディーゼルモードと、気体燃料と液体燃料とを混合して空気と燃焼させる混焼モードと、に対応可能なエンジンにおいて、
前記混焼モード時に、気体燃料の噴射量をフィードバック制御することにより調速されていることを特徴とするエンジン。 - 請求項1に記載のエンジンであって、
前記混焼モード時に、気体燃料の噴射量のフィードバック制御にて調速されていない時は、液体燃料の噴射量をフィードバック制御することにより調速されていることを特徴とするエンジン。 - 請求項1又は2に記載のエンジンにおいて、
前記燃焼室内に液体燃料を噴射する燃料噴射弁と、前記燃料噴射弁による液体燃料の噴射量を調整するディーゼルガバナと、を備え、
気体燃料と液体燃料との混焼率が前記ディーゼルガバナの出力から算出され、前記混焼率に基づいて、気体燃料の噴射及び液体燃料の噴射の少なくとも何れか一方の制御が実施されることを特徴とするエンジン。 - 請求項3に記載のエンジンであって、
気体燃料への着火を目的として、前記燃焼室にパイロット燃料を噴射するパイロット燃料噴射弁と、給気圧調整手段と、を有することを特徴とするエンジン。 - 請求項4に記載のエンジンであって、
求められた前記混焼率に基づいて、前記パイロット燃料噴射弁及び前記給気圧調整手段を制御することを特徴とするエンジン。 - 請求項3乃至5の何れか一項に記載のエンジンであって、
前記ガスモード、前記ディーゼルモード及び前記混焼モードを切り替え、更に前記混焼率を調整する制御部を有することを特徴とするエンジン。 - 請求項6に記載のエンジンであって、
前記混焼モードで稼働中に、調速出力が予め定められた閾値よりも小さくなった場合、前記制御部は前記ディーゼルモードへ切り替えることを特徴とするエンジン。 - 請求項5に記載のエンジンであって、
気体燃料の発熱量が液体燃料の発熱量よりも多いと判断された前記混焼モードから前記ガスモードへの切り替え時、切り替え指令後に一定期間、前記ディーゼルガバナの出力を保持することを特徴とするエンジン。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021047744A JP2022146665A (ja) | 2021-03-22 | 2021-03-22 | エンジン |
US18/283,439 US20240159194A1 (en) | 2021-03-22 | 2022-02-04 | Engine |
EP22774695.5A EP4317668A4 (en) | 2021-03-22 | 2022-02-04 | ENGINE |
PCT/JP2022/004373 WO2022201894A1 (ja) | 2021-03-22 | 2022-02-04 | エンジン |
KR1020237027907A KR20230159378A (ko) | 2021-03-22 | 2022-02-04 | 엔진 |
CN202280018644.6A CN116964310A (zh) | 2021-03-22 | 2022-02-04 | 发动机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021047744A JP2022146665A (ja) | 2021-03-22 | 2021-03-22 | エンジン |
Publications (1)
Publication Number | Publication Date |
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JP2022146665A true JP2022146665A (ja) | 2022-10-05 |
Family
ID=83395448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2021047744A Pending JP2022146665A (ja) | 2021-03-22 | 2021-03-22 | エンジン |
Country Status (6)
Country | Link |
---|---|
US (1) | US20240159194A1 (ja) |
EP (1) | EP4317668A4 (ja) |
JP (1) | JP2022146665A (ja) |
KR (1) | KR20230159378A (ja) |
CN (1) | CN116964310A (ja) |
WO (1) | WO2022201894A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024202347A1 (ja) * | 2023-03-28 | 2024-10-03 | 三菱重工エンジン&ターボチャージャ株式会社 | 内燃機関の制御装置および方法 |
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JP2021047744A (ja) | 2019-09-19 | 2021-03-25 | エアロセンス株式会社 | 情報処理装置、情報処理方法及び情報処理プログラム |
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2021
- 2021-03-22 JP JP2021047744A patent/JP2022146665A/ja active Pending
-
2022
- 2022-02-04 US US18/283,439 patent/US20240159194A1/en not_active Abandoned
- 2022-02-04 EP EP22774695.5A patent/EP4317668A4/en active Pending
- 2022-02-04 CN CN202280018644.6A patent/CN116964310A/zh active Pending
- 2022-02-04 WO PCT/JP2022/004373 patent/WO2022201894A1/ja active Application Filing
- 2022-02-04 KR KR1020237027907A patent/KR20230159378A/ko active Pending
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JPS6258031A (ja) * | 1985-09-09 | 1987-03-13 | Mitsui Eng & Shipbuild Co Ltd | 複式燃料デイ−ゼルエンジンの制御装置 |
JPH02207153A (ja) * | 1989-02-06 | 1990-08-16 | Mitsubishi Heavy Ind Ltd | 二元燃料デイーゼル機関の制御装置 |
JPH09209788A (ja) * | 1996-01-15 | 1997-08-12 | Man B & W Diesel As | 高圧ガス噴射エンジンへの燃料の供給の制御方法及びそのエンジン |
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JP2017057775A (ja) * | 2015-09-16 | 2017-03-23 | ヤンマー株式会社 | エンジン装置 |
KR20170038952A (ko) * | 2015-09-30 | 2017-04-10 | 한국전력공사 | 혼소 엔진 시뮬레이션 모델링 장치, 혼소 엔진 제어 장치 및 이들을 포함하는 혼소 엔진 발전기 시뮬레이션 시스템 |
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JP2020118054A (ja) * | 2019-01-21 | 2020-08-06 | いすゞ自動車株式会社 | 内燃機関システム、車両および内燃機関システムにおける燃料供給方法 |
Cited By (1)
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WO2024202347A1 (ja) * | 2023-03-28 | 2024-10-03 | 三菱重工エンジン&ターボチャージャ株式会社 | 内燃機関の制御装置および方法 |
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US20240159194A1 (en) | 2024-05-16 |
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