DK201870710A1 - A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock - Google Patents

A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock Download PDF

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Publication number
DK201870710A1
DK201870710A1 DKPA201870710A DKPA201870710A DK201870710A1 DK 201870710 A1 DK201870710 A1 DK 201870710A1 DK PA201870710 A DKPA201870710 A DK PA201870710A DK PA201870710 A DKPA201870710 A DK PA201870710A DK 201870710 A1 DK201870710 A1 DK 201870710A1
Authority
DK
Denmark
Prior art keywords
combustion gas
fuel
valve
gaseous fuel
combustion
Prior art date
Application number
DKPA201870710A
Other languages
English (en)
Inventor
Kjemtrup Niels
Hult Johan
Mørch Christian
Original Assignee
MAN Energy Solutions
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MAN Energy Solutions filed Critical MAN Energy Solutions
Priority to DKPA201870710A priority Critical patent/DK180131B1/da
Priority to KR1020190128631A priority patent/KR102279454B1/ko
Priority to JP2019191625A priority patent/JP6807443B2/ja
Priority to CN201911007500.7A priority patent/CN111120081B/zh
Publication of DK201870710A1 publication Critical patent/DK201870710A1/da
Application granted granted Critical
Publication of DK180131B1 publication Critical patent/DK180131B1/da

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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
    • 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
    • F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
    • F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
    • F02B47/08—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust 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
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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
    • F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
    • 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
    • F02M21/0257—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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022—Adding fuel and water emulsion, water or steam
    • F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
    • F02M25/0225—Water atomisers or mixers, e.g. using ultrasonic waves
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • 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
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DKPA201870710A 2018-10-31 2018-10-31 A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock DK180131B1 (da)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DKPA201870710A DK180131B1 (da) 2018-10-31 2018-10-31 A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock
KR1020190128631A KR102279454B1 (ko) 2018-10-31 2019-10-16 대형 2행정 단류 소기식 기체연료 엔진 및 조기점화/디젤노크 저감 방법
JP2019191625A JP6807443B2 (ja) 2018-10-31 2019-10-21 大型２ストロークユニフロー掃気式ガス燃料エンジンおよび過早点火またはディーゼルノックを低減する方法
CN201911007500.7A CN111120081B (zh) 2018-10-31 2019-10-22 大型两冲程单流扫气式气态燃料发动机以及用于减少提前点火/柴油机爆震的方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201870710A DK180131B1 (da) 2018-10-31 2018-10-31 A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock

Publications (2)

Publication Number Publication Date
DK201870710A1 true DK201870710A1 (da) 2020-05-27
DK180131B1 DK180131B1 (da) 2020-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA201870710A DK180131B1 (da) 2018-10-31 2018-10-31 A large two-stroke uniflow scavenged gaseous fueled engine and method for reducing preignition/diesel-knock

Country Status (4)

Country Link
JP (1) JP6807443B2 (da)
KR (1) KR102279454B1 (da)
CN (1) CN111120081B (da)
DK (1) DK180131B1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102887926B1 (ko) * 2020-10-16 2025-11-18 에이치디한국조선해양 주식회사 암모니아를 연료로 이용하는 선박
EP4001628A1 (en) * 2020-11-17 2022-05-25 Volvo Truck Corporation A method for controlling injection in a combustion engine
DK181009B1 (en) * 2021-07-27 2022-09-19 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A large two-stroke turbocharged uniflow scavenged internal combustion engine and method of operating the engine
DK181214B1 (en) * 2021-10-26 2023-05-09 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A large two-stroke uniflow scavenged gaseous fueled engine and method for controlling supply of liquid fuel
DK181454B1 (en) * 2022-03-04 2024-01-26 Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland A large two-stroke uniflow scavenged turbocharged internal combustion engine with a system for reducing nitrous oxide emissions and a method for reducing nitrous oxide emissions of such an engine
CN114592966B (zh) * 2022-05-11 2022-08-09 四川迅联达智能科技有限公司 全空气扫气发动机
FR3154769B1 (fr) * 2023-10-26 2025-10-31 Rh2 Dispositif d'injection pour un moteur à combustion interne

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JPS58146852U (ja) * 1982-03-29 1983-10-03 三菱自動車工業株式会社 エンジン制御装置
JPH06257520A (ja) * 1993-03-05 1994-09-13 Mazda Motor Corp ２サイクルエンジン
DE102005057207B4 (de) * 2005-12-01 2011-07-21 Man Diesel & Turbo, Filial Af Man Diesel & Turbo Se, Tyskland Verbrennungsmotor sowie Verfahren zur Reduktion des NOx- Ausstoßes bei einem derartigen Motor
DE102008058612B4 (de) * 2008-11-22 2017-05-24 Man Diesel & Turbo, Filial Af Man Diesel & Turbo Se, Tyskland Verbrennungsmotor sowie Auslassventilgehäuse und Rezirkulationsgassammelbehälter hierfür
DE102008060063B4 (de) * 2008-12-02 2011-08-25 Man Diesel & Turbo, Filial Af Man Diesel & Turbo Se, Tyskland Verbrennungsmotor
CN102341589B (zh) * 2009-03-18 2013-08-28 曼恩柴油机涡轮公司,曼恩柴油机涡轮德国公司子公司 带有排气或者燃烧气体再循环的大型涡轮增压二冲程柴油发动机和用于减少NOx和碳烟排放的方法
JP5811538B2 (ja) * 2011-01-24 2015-11-11 株式会社Ihi ２サイクルエンジン
JP5911297B2 (ja) * 2011-12-26 2016-04-27 ダイハツ工業株式会社 内燃機関
JP6019941B2 (ja) * 2012-08-31 2016-11-02 株式会社Ihi ユニフロー掃気式２サイクルエンジン
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Also Published As

Publication number Publication date
JP2020070804A (ja) 2020-05-07
KR20200050371A (ko) 2020-05-11
CN111120081B (zh) 2022-04-01
JP6807443B2 (ja) 2021-01-06
KR102279454B1 (ko) 2021-07-21
CN111120081A (zh) 2020-05-08
DK180131B1 (da) 2020-06-08

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Effective date: 20200501

PME Patent granted

Effective date: 20200608