DK180375B1 - Internal combustion engine - Google Patents

Internal combustion engine Download PDF

Info

Publication number
DK180375B1
DK180375B1 DKPA201970459A DKPA201970459A DK180375B1 DK 180375 B1 DK180375 B1 DK 180375B1 DK PA201970459 A DKPA201970459 A DK PA201970459A DK PA201970459 A DKPA201970459 A DK PA201970459A DK 180375 B1 DK180375 B1 DK 180375B1
Authority
DK
Denmark
Prior art keywords
fuel gas
cylinder
pilot fuel
antechamber
internal combustion
Prior art date
Application number
DKPA201970459A
Other languages
English (en)
Inventor
Hult Johan
Original Assignee
Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland
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 Filial Af Man Energy Solutions Se Tyskland filed Critical Man Energy Solutions Filial Af Man Energy Solutions Se Tyskland
Priority to DKPA201970459A priority Critical patent/DK180375B1/en
Priority to JP2020119010A priority patent/JP6911182B2/ja
Priority to KR1020200085566A priority patent/KR102354285B1/ko
Priority to CN202210861939.1A priority patent/CN115341993A/zh
Priority to CN202010661386.6A priority patent/CN112211721B/zh
Application granted granted Critical
Publication of DK180375B1 publication Critical patent/DK180375B1/en
Publication of DK201970459A1 publication Critical patent/DK201970459A1/en
Priority to JP2021112637A priority patent/JP2022008272A/ja
Priority to KR1020220006682A priority patent/KR20220013430A/ko

Links

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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • 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
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1004—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder details of combustion chamber, e.g. mounting arrangements
    • F02B19/1009—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder details of combustion chamber, e.g. mounting arrangements heating, cooling
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1095—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with more than one pre-combustion chamber (a stepped form of the main combustion chamber above the piston is to be considered as a pre-combustion chamber if this stepped portion is not a squish area)
    • 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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • 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
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/104—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on a side position of the cylinder
    • 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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • 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
    • F02B7/00—Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel
    • F02B7/06—Engines characterised by the fuel-air charge being ignited by compression ignition of an additional fuel the fuel in the charge being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
    • 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
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
    • F02B2077/045—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines by flushing or rinsing
    • 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)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (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)

Claims (11)

DK 180375 B1 1 Krav:
1. Leengdeskyllet totakts-krydshovedforbrændingsmotor (100) omfattende mindst én cylinder (101), et cylinderdæksel (112), et stempel (103), et — brændstofgasforsyningssystem, et skylleluftsystem (111), hvor cylinderen har en cylindervæg (115), hvor cylinderdækslet er anbragt på toppen af cylinderen og har en udstødningsventil (104), hvor stemplet er bevægeligt anbragt inden i cylinderen langs en central akse (113) mellem nederste dødpunkt og øverst dødpunkt, hvor skylleluftsystemet (111) har et — skylleluftindløb (102) anbragt i bunden af cylinderen, hvor brændstofgasforsyningssystemet omfatter en brændstofgasventil (105) anbragt i det mindste delvist i cylindervæggen og konfigureret til at indsprøjte brændstofgas ind i cylinderen under kompressionsslaget, hvilket gør det muligt for brændstofgassen at blande sig med skylleluft og tillader, at — blandingen af skylleluft og brændstofgas komprimeres, før den antændes, hvor motoren yderligere omfatter et forkammer (114) og et pilotbrændstofforsyningssystem, hvor forkammeret (114) åbner ind i cylinderen gennem en første åbning (123) og omfatter et tændingselement (119), ken de tegnet ved, at pilotbrændstofforsyningssystemet omfatter en pilotbrændstofventil (120) konfigureret til at indsprøjte en pilotbrændstofgas (121) ind i forkammeret under kompressionsslaget, hvilket gør det muligt for pilotbrændstofsgassen at komprimere, før den antændes, hvor tændingselementet (119) er konfigureret til at antænde pilotbrændstofgassen (121) i forkammeret (114).
2. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 1, hvor brændstofgasforsyningssystemet og pilotbrændstofforsyningssystemet tilvejebringer den samme brændstofgas.
DK 180375 B1 2
3. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 1 eller 2, hvor pilotbrændstofventilen (120) er konfigureret til at indsprøjte pilotbrændstofgassen (121) ind i forkammeret (114) under kompressionsslaget inden for O grader til 160 grader fra det nederste — dødpunkt, inden for O grader til 130 grader fra det nederste dødpunkt eller inden for O grader til 90 grader fra det nederste dødpunkt.
4. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 3, hvor pilotbrændstofventilen (120) er konfigureret til at indsprøjte — pilotbrændstofgassen (121) i løbet af en pilotbrændstofindsprøjtningsperiode, og hvor tændingselementet (119) er konfigureret til at antænde pilotbrændstofgas (121) i forkammeret (114) efter afslutningen af pilotbrændstofindsprøjtningsperioden.
5. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 4, hvor forkammeret (114) er konfigureret til at sikre, at luft- brændstofækvivalensforholdet, A, af blandingen af skylleluft og pilotbrændstofgas (121) i forkammeret (114) er under A = 1,6 ved tidspunktet for antændelse.
6. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 5, hvor forholdet mellem tværsnitsarealet af åbningerne (123, 124) af forkammeret (114) ind i cylinderen (101) målt i m? og volumenet af forkammeret målt i m? er mellem 0,5-1,2 m™.
7. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge krav 6, hvor motoren er konfigureret til at sikre, at A for blandingen af skylleluft og brændstofgas i cylinderen er over A = 2,0.
8. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge et hvilket som helst af kravene 1 til 7, hvor forkammeret (114) i det mindste delvist er
DK 180375 B1 3 anbragt i cylindervæggen (115), og hvor den første åbning (123) er dannet i cylindervæggen.
9. Leengdeskyllet totakts-krydshovedforbrændingsmotor ifølge et hvilket som helst af kravene 1 til 8, hvor forkammeret (114) i det mindste delvist er anbragt i cylinderdækslet (112), og hvor den første åbning (123) er dannet i cylinderdækslet (112).
10. Længdeskyllet totakts-krydshovedforbrændingsmotor ifølge et hvilket som helst af kravene 1 til 9, hvor tændingselementet (119) er konfigureret til at generere en tilnærmelsesvis øjeblikkelig maksimal energifrigivelse ved aktivering.
11. Forkammer til anvendelse med en længdeskyllet totakts- krydshovedforbrændingsmotor ifølge et hvilket som helst af kravene 1 til 10, hvor forkammeret (114) er konfigureret til at åbne ind i en cylinder (101) gennem en første åbning (123) og omfatter et tændingselement (119), ken - detegnet ved, at forkammeret yderligere omfatter en pilotbrændstofventil (120), der er konfigureret til at indsprøjte en pilotbrændstofgas (121) ind i forkammeret (114) under kompressionsslag, som gør det muligt for pilotbrændstofgassen (121) at blive komprimeret inden antændelse, hvor tændingselementet (119) er konfigureret til at antænde pilotbrændstofgassen (121) i forkammeret (114).
DKPA201970459A 2019-07-11 2019-07-11 Internal combustion engine DK180375B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DKPA201970459A DK180375B1 (en) 2019-07-11 2019-07-11 Internal combustion engine
JP2020119010A JP6911182B2 (ja) 2019-07-11 2020-07-10 内燃機関
KR1020200085566A KR102354285B1 (ko) 2019-07-11 2020-07-10 내연 엔진
CN202210861939.1A CN115341993A (zh) 2019-07-11 2020-07-10 内燃发动机
CN202010661386.6A CN112211721B (zh) 2019-07-11 2020-07-10 内燃发动机
JP2021112637A JP2022008272A (ja) 2019-07-11 2021-07-07 内燃機関
KR1020220006682A KR20220013430A (ko) 2019-07-11 2022-01-17 내연 엔진

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201970459A DK180375B1 (en) 2019-07-11 2019-07-11 Internal combustion engine

Publications (2)

Publication Number Publication Date
DK180375B1 true DK180375B1 (en) 2021-02-12
DK201970459A1 DK201970459A1 (en) 2021-02-12

Family

ID=74059309

Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA201970459A DK180375B1 (en) 2019-07-11 2019-07-11 Internal combustion engine

Country Status (4)

Country Link
JP (2) JP6911182B2 (da)
KR (2) KR102354285B1 (da)
CN (2) CN115341993A (da)
DK (1) DK180375B1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115217615B (zh) * 2022-04-06 2023-08-15 广州汽车集团股份有限公司 扫气装置及扫气方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60153822U (ja) * 1984-03-23 1985-10-14 アイシン精機株式会社 デイ−ゼルエンジンの燃焼室構造
JPH02108815A (ja) * 1988-10-17 1990-04-20 Kioritz Corp 二サイクル・ユニフロー火花点火機関
JPH09291825A (ja) * 1996-02-26 1997-11-11 Hiroyasu Tanigawa ピストンサイクルのエネルギ変換方法及びその装置
US8463529B2 (en) * 2004-09-17 2013-06-11 Eaton Corporation System and method of operating internal combustion engines at fuel rich low-temperature- combustion mode as an on-board reformer for solid oxide fuel cell-powered vehicles
FI123915B (fi) * 2008-03-03 2013-12-13 Waertsilae Finland Oy Esikammiojärjestely
CN103026034B (zh) * 2010-08-05 2015-08-05 株式会社Ihi 二循环发动机
RU2014104497A (ru) * 2011-07-08 2015-08-20 Вертзиле Свитзерленд Лтд. Двухтактный двигатель внутреннего сгорания, способ эксплуатации двухтактного двигателя внутреннего сгорания и способ преобразования двухтактного двигателя
DK177398B1 (en) * 2012-05-24 2013-03-18 Man Diesel & Turbo Deutschland Method for operating a large, crosshead reciprocating piston internal combustion engine and suitable such engine
JP5949183B2 (ja) * 2012-06-06 2016-07-06 株式会社Ihi ２ストロークユニフローエンジン
EP2998539B1 (en) * 2014-09-19 2019-09-04 Caterpillar Motoren GmbH & Co. KG Ignition system for internal combustion engines
DK3214292T3 (da) * 2014-10-30 2020-01-06 Ihi Corp Jævnstrømsskylningstotaktsmotor
US10337397B2 (en) * 2017-06-14 2019-07-02 Ford Global Technologies, Llc Pre-chamber ignition system
DK179798B1 (da) * 2017-09-19 2019-06-26 MAN Energy Solutions A large two-stroke uniflow scavenged gaseous fueled engine

Also Published As

Publication number Publication date
KR102354285B1 (ko) 2022-01-21
JP6911182B2 (ja) 2021-07-28
JP2022008272A (ja) 2022-01-13
CN112211721B (zh) 2022-08-02
JP2021014852A (ja) 2021-02-12
CN112211721A (zh) 2021-01-12
KR20220013430A (ko) 2022-02-04
DK201970459A1 (en) 2021-02-12
CN115341993A (zh) 2022-11-15
KR20210008317A (ko) 2021-01-21

Similar Documents

Publication Publication Date Title
DK180798B1 (en) Internal combustion engine
JP2021134789A (ja) 大型ディーゼル・エンジンを動作させる方法、及び大型ディーゼル・エンジン
DK180375B1 (en) Internal combustion engine
JP7286711B2 (ja) 内燃機関
WO2021110229A1 (en) Internal combustion engine
DK180388B1 (en) Internal combustion engine
DK180103B1 (da) Internal combustion engine
DK181143B1 (en) Internal combustion engine
KR20210008318A (ko) 내연 엔진
JP6950037B2 (ja) 内燃機関
DK202070823A1 (en) Internal combustion engine

Legal Events

Date Code Title Description
PAT Application published

Effective date: 20210112

PME Patent granted

Effective date: 20210212