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DK180561B1 - An internal combustion engine configured for determining specific emissions and a method for determining specific emissions of an internal combustion engine - Google Patents

An internal combustion engine configured for determining specific emissions and a method for determining specific emissions of an internal combustion engine Download PDF

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Publication number
DK180561B1
DK180561B1 DKPA202070149A DKPA202070149A DK180561B1 DK 180561 B1 DK180561 B1 DK 180561B1 DK PA202070149 A DKPA202070149 A DK PA202070149A DK PA202070149 A DKPA202070149 A DK PA202070149A DK 180561 B1 DK180561 B1 DK 180561B1
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DK
Denmark
Prior art keywords
exhaust gas
engine
concentration
control unit
fuel
Prior art date
Application number
DKPA202070149A
Other languages
English (en)
Inventor
Larsson David
La Seta Angelo
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 DKPA202070149A priority Critical patent/DK180561B1/en
Priority to KR1020210024057A priority patent/KR102279489B1/ko
Priority to JP2021033981A priority patent/JP6938800B2/ja
Priority to CN202110252131.9A priority patent/CN113356984B/zh
Application granted granted Critical
Publication of DK202070149A1 publication Critical patent/DK202070149A1/en
Publication of DK180561B1 publication Critical patent/DK180561B1/en

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Classifications

    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1452—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a COx content or concentration
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2409—Addressing techniques specially adapted therefor
    • F02D41/2422—Selective use of one or more tables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • 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
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Claims (23)

. DK 180561 B1 PATENTKRAV
1. Forbrændingsmotor, hvilken motor er konfigureret til at køre på et givent brændstof og frembringe udstødningsgas i drift ved forbrænding af det givne brændstof med indsugningsluft, hvilken motor omfatter: - en styreenhed (50), - en føler (40), der er konfigureret til at påvise en koncentration af en første udstødningsgasbestanddel i udstødningsgassen, - en føler (41), der er konfigureret til at påvise en koncentration af en referencegas 1 udstødningsgassen, hvilken referencegas er oxygen eller carbondioxid, kendetegnet ved, at styreenheden (50) er konfigureret til at: - bestemme forskellen i referencegaskoncentration mellem indsugningsluften og udstødningsgassen, og - bestemme den specifikke emission af den første udstødningsgasbestanddel som en funktion af den påviste koncentration af den første udstødningsgasbestanddel - som en funktion af den bestemte forskel i referencegaskoncentration mellem indsugningsluften og udstødningsgassen.
2. Motor ifølge krav 1, hvor styreenheden (50) er konfigureret til at bestemme referencegaskoncentrationen i indsugningsluften som en funktion af indsugningsluftens fugtighed.
3. Motor ifølge krav 1 eller 2, hvor styreenheden (50) er konfigureret til at bestemme motorens momentane
, DK 180561 B1 brændstofeffektivitet, og hvor styreenheden (50) er konfigureret til at anvende den bestemte brændstofeffektivitet som en faktor ved bestemmelse af den specifikke emission af den første udstødningsgasbestanddel.
4. Motor ifølge krav 3, hvor styreenheden (50) fortrinsvis er udstyret med en opslagstabel, og/eller en algoritme og/eller med en computermodel af motoren til at bestemme den momentane brændstofeffektivitet ud fra de momentane driftsbetingelser.
5. Motor ifølge et hvilket som helst af kravene 1 til 4, hvor styreenheden (50) er konfigureret til at anvende en brændstoffaktor forbundet med det givne brændstof ved bestemmelse af den specifikke emission af den første udstødningsgasbestanddel.
6. Motor ifølge et hvilket som helst af kravene 1 til 5, hvor styreenheden (50) er konfigureret til at bestemme den specifikke emission af den første udstødningsgasbestanddel ved at dividere den påviste koncentration af den første udstødningsgasbestanddel 1 udstødningsgassen med produktet af den bestemte forskel 1 referencegaskoncentration mellem indsugningsluften og udstødningsgassen og en justeringsfaktor.
7. Motor ifølge krav 6, hvor justeringsfaktoren omfatter en momentan brændstofeffektivitet for motoren bestemt af styreenheden.
> DK 180561 B1
8. Motor ifølge krav 6 eller 7, hvor justeringsfaktoren omfatter en brændstoffaktor forbundet med det givne brændstof.
9. Motor ifølge et hvilket som helst af kravene 1 til 5, hvor styreenheden (50) er konfigureret til at bestemme den specifikke emission af den første udstødningsgasbestanddel ved at dividere den påviste koncentration af den første udstødningsgasbestanddel i udstødningsgassen med produktet af den bestemte forskel i referencegaskoncentration mellem indsugningsluften og udstødningsgassen, en momentan brændstofeffektivitet for motoren bestemt af styreenheden (50) og en brændstoffaktor forbundet med det givne brændstof.
10. Motor ifølge et hvilket som helst af kravene 1 til 10, hvor den første udstødningsgasbestanddel er én af: CO, CO2, HC, CH4, NOx, SOx, NH3, PM, PN eller BC.
11. Motor ifølge et hvilket som helst af kravene 1 til 10, hvor den første udstødningsgasbestanddel er NOx, hvilken motor er konfigureret til at fungere under styreenhedens (50) styring, og hvor styreenheden (50) er konfigureret til at styre motorens drift som en funktion af den bestemte, specifikke NOx-emission.
12. Motor ifølge et hvilket som helst af kravene 1 til 10, hvor den første udstødningsgasbestanddel er NOx, hvilken motor omfatter et NOx-behandlingssystem (30), der er konfigureret til at fungere under styreenhedens (50) styring, og hvor styreenheden (50) er konfigureret til at styre NOx-
2 DK 180561 B1 behandlingssystemets (30) drift som en funktion af den bestemte, specifikke NOx-emission.
13. Motor ifølge krav 11, hvor NOx-behandlingssystemet (30) er konfigureret til at tilføre udstødningsgassen et reduktionsmiddel, og hvor mængden af reduktionsmiddel tilført udstødningsgassen styres af styreenheden (50) som en funktion af den bestemte, specifikke NOx-emission.
14. Fremgangsmåde til bestemmelse af en specifik emission af en forbrændingsmotors første udstødningsgasbestanddel, hvilken fremgangsmåde omfatter: - påvisning af en koncentration af en første udstødningsgasbestanddel i udstødningsgassen, - påvisning af en koncentration af en referencegas 1 udstødningsgassen, hvor referencegassen er oxygen eller carbondioxid, kendetegnet ved - bestemmelse af forskellen i referencegaskoncentration mellem indsugningsluften og udstødningsgassen, - bestemmelse af den specifikke emission af den første udstødningsgasbestanddel som en funktion af den påviste koncentration af den første udstødningsgas og som en funktion af den bestemte forskel i referencegaskoncentration mellem indsugningsluften og udstødningsgassen.
15. Fremgangsmåde ifølge krav 14, der omfatter bestemmelse af referencegaskoncentrationen i indsugningsluften som en funktion af indsugningsluftens fugtighed.
. DK 180561 B1
16. Fremgangsmåde ifølge krav 14 eller 15, der omfatter bestemmelse af motorens momentane brændstofeffektivitet, og anvendelse af den bestemte brændstofeffektivitet som en faktor ved bestemmelse af den specifikke emission af den første udstødningsgasbestanddel.
17. Fremgangsmåde ifølge krav 16, der omfatter anvendelse af en opslagstabel og/eller en algoritme og/eller en computermodel af motoren ved bestemmelse af den momentane brændstofeffektivitet ud fra de momentane driftsbetingelser.
18. Fremgangsmåde ifølge et hvilket som helst af kravene 14 til 17, der omfatter anvendelse af en brændstoffaktor forbundet med det givne brændstof ved bestemmelse af den specifikke emission af den første udstødningsgasbestanddel.
19. Fremgangsmåde ifølge et hvilket som helst af kravene 14 til 18, hvilken fremgangsmåde omfatter bestemmelse af den specifikke emission af den første udstødningsgasbestanddel ved at dividere den påviste koncentration af den første udstødningsgasbestanddel 1 udstødningsgassen med produktet af den bestemte forskel 1 referencegaskoncentration mellem indsugningsluften og udstødningsgassen og en justeringsfaktor.
20. Fremgangsmåde ifølge krav 19, hvor justeringsfaktoren omfatter en momentan brændstofeffektivitet for motoren bestemt af styreenheden.
. DK 180561 B1
21. Fremgangsmåde ifølge krav 19 eller 20, hvor justeringsfaktoren omfatter en brændstoffaktor forbundet med det givne brændstof.
22. Fremgangsmåde ifølge et hvilket som helst af kravene 14 til 21, hvilken fremgangsmåde omfatter bestemmelse af den specifikke emission af den første udstødningsgasbestanddel ved at dividere den påviste koncentration af den første udstødningsgasbestanddel 1 udstødningsgassen med produktet af den bestemte forskel 1 referencegaskoncentration mellem indsugningsluften og udstødningsgassen, en momentan brændstofeffektivitet for motoren bestemt af styreenheden og en brændstoffaktor forbundet med det givne brændstof.
23. Fremgangsmåde ifølge et hvilket som helst af kravene 14 til 23, hvor den første udstødningsgasbestanddel er én af: CO, CO2, HC, CH4, NOx, SOx, NH3, PM, PN eller BC.
DKPA202070149A 2020-03-06 2020-03-06 An internal combustion engine configured for determining specific emissions and a method for determining specific emissions of an internal combustion engine DK180561B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DKPA202070149A DK180561B1 (en) 2020-03-06 2020-03-06 An internal combustion engine configured for determining specific emissions and a method for determining specific emissions of an internal combustion engine
KR1020210024057A KR102279489B1 (ko) 2020-03-06 2021-02-23 특정 배출량을 결정하기 위해 구성된 내연기관 및 내연기관의 특정 배출량을 결정하기 위한 방법
JP2021033981A JP6938800B2 (ja) 2020-03-06 2021-03-04 平均排出量を決定するように構成される内燃機関及び内燃機関の平均排出量を決定する方法
CN202110252131.9A CN113356984B (zh) 2020-03-06 2021-03-08 一种内燃发动机和用于确定其具体排放量的方法

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DKPA202070149A DK180561B1 (en) 2020-03-06 2020-03-06 An internal combustion engine configured for determining specific emissions and a method for determining specific emissions of an internal combustion engine

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DK202070149A1 DK202070149A1 (en) 2021-06-24
DK180561B1 true DK180561B1 (en) 2021-06-24

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DK202070149A1 (en) 2021-06-24
JP2021139367A (ja) 2021-09-16
CN113356984B (zh) 2023-03-24
CN113356984A (zh) 2021-09-07
JP6938800B2 (ja) 2021-09-22
KR102279489B1 (ko) 2021-07-20

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