SE1551415A1 - Four Stroke Internal Combustion Engine Efficiently Utilising the Blowdown Energy in a Turbine - Google Patents

Four Stroke Internal Combustion Engine Efficiently Utilising the Blowdown Energy in a Turbine Download PDF

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Publication number
SE1551415A1
SE1551415A1 SE1551415A SE1551415A SE1551415A1 SE 1551415 A1 SE1551415 A1 SE 1551415A1 SE 1551415 A SE1551415 A SE 1551415A SE 1551415 A SE1551415 A SE 1551415A SE 1551415 A1 SE1551415 A1 SE 1551415A1
Authority
SE
Sweden
Prior art keywords
exhaust
turbine
acyl
combustion engine
internal combustion
Prior art date
Application number
SE1551415A
Other languages
English (en)
Other versions
SE539356C2 (sv
Inventor
Olofsson Eric
Norling Daniel
Vallinder Michael
Aspfors Jonas
Linderyd Johan
Höglund Henrik
Larsson Per-Inge
dahl Andreas
Stenberg Martin
Original Assignee
Scania Cv Ab
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 Scania Cv Ab filed Critical Scania Cv Ab
Priority to SE1551415A priority Critical patent/SE539356C2/sv
Priority to PCT/SE2016/050944 priority patent/WO2017078589A1/en
Priority to KR1020187014751A priority patent/KR102026920B1/ko
Priority to US15/772,441 priority patent/US11008933B2/en
Priority to CN201680070923.1A priority patent/CN108291480B/zh
Priority to EP16862555.6A priority patent/EP3371433B1/en
Publication of SE1551415A1 publication Critical patent/SE1551415A1/sv
Publication of SE539356C2 publication Critical patent/SE539356C2/sv

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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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
    • 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
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
    • F02B37/025—Multiple scrolls or multiple gas passages guiding the gas to the pump drive
    • 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
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
    • F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
    • 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 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • 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
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Supercharger (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (10)

1. Fyrtakts-förbränningsmotor (2) innefattande minst en cylinderanordning (4), enavgasledning (6) och en turbin som innefattar ett turbinhjul (26), varvid turbinen har ettinloppsområde till turbinhjulet, AW, varvid den minst enda cylinderanordningen (4) bildar enförbränningskammare (23) och innefattar en kolv (10) som anordnats för att röra sig fram ochtillbaka i ett cylinderhål (12) och en avgasöppningsanordning (14), varvidavgasöppningsanordningen (14) är konfigurerad för att öppna och stänga ettavgasströmningsområde, ACYL, under en utblåssekvens under kolvens (10) rörelse fram ochtillbaka, varvid cylinderanordningen (4) har en maximal volym, VMAX, mellan kolvens (10)nedre dödpunkt, ND, och en övre, invändig, avgränsande yta (24) i förbränningskammaren(23), varvid avgasledningen (6) utsträcker sig mellan avgasströmningsområdet, Acyt, ochinloppsområdet till turbinhjulet, AnN och har en avgasledningsvolym. VEXH, kännetecknad av att avgasledningsvolymen, VEXH, är S 0,5 gånger den maximala volymen,ViviAx, och varvid turbinen har ett normaliserat effektivt strömningsområde, y, definierat som y = ATunB/VMAX , varvid y > 0,22 m* , varvid ATURB = (ATiN/ATOT) * mfiED * (R/(1<(2/(1< +1)X)))”2 ,varvid X = (K + 1)/(1< -1), där ATOT är ett totalt inloppsområde hos turbinen och varvid ATURBerhålls vid en reducerad masström mhED, hos turbinen vid ett tryckförhållande på 2,5 - 3,5mellan en inloppssida och en utloppssida hos turbinen och vid en periferihastighet på 450m/s hos turbinhjulet (26), och varvid avgasöppningsanordningen (14) har konfigurerats för att exponeraavgasströmningsområdet, ACYL, vid en storlek på minst 0,22 gånger den maximala volymen,VMAX, när kolven (10) är på den nedre dödpunkten, ND.
2. Fyrtakts-förbränningsmotor (2) enligt patentkrav 1, vari avgasledningens volym, VEXH,utesluter alla andra volymer som är anslutna till avgasledningen (6) via en anslutning som har en minsta anslutningstvärsnittsyta, Aeon, S 0,022 gånger den maximala v0lymen, ViviAx.
3. Fyrtakts-förbränningsmotor (2) enligt patentkrav 1 eller 2, vari avgasledningen (6) försätterendast avgasströmningsområdet, Acyt, och turbinhjulets inloppsområde, Ann, ifluidförbindelse med varandra.
4. Fyrtakts-förbränningsmotor (2) enligt något av föregående patentkrav, vari en momentancylindervolym, V, hos cylinderanordningen (4) definieras av en momentan position hoskolven (10) i cylinderhålet (12) under dess rörelse fram och tillbaka, varvid 16 AcvL(V) uttrycker avgasströmningsområdet, ACYL, som en funktion av den momentanacylindervolymen, V, under ett av kolvens (10) arbetsslag, varvid en koefficient för avgasströmningsområde, ö, definieras som 8 = ACYL(V)/(0,22*VMA><), Acvt uttrycks i m2 och VMAX uttrycks i m3, varvidavgasöppningsanordningen (14) har en koefficient för öppningshastighet, ß, vilken definierassom ß = (V(ö=1) - V(ö=0,1))/VMA><, och vari avgasströmningsområdet, ACYL, har en koefficient för öppningshastighet t ß < 0,06.
5. Fyrtakts-förbrånningsmotor (2) enligt något av föregående patentkrav, vari turbinhjulet (26)år ett axiellt turbinhjul.
6. Fyrtakts-förbrånningsmotor (2) enligt något av föregående patentkrav, varicylinderanordningen (4) har en total slagvolym, VS, i cylinderhålet (12) mellan kolvens (10)nedre dödpunkt, ND, och en övre dödpunkt, ÖD, och vari 0,3 < VS < 4 liter.
7. Fyrtakts-förbrånningsmotor (2) enligt något av föregående patentkrav, innefattande trecylinderanordningar (4) vilka var och en innefattar en avgasöppningsanordning (14), vari enseparat avgasledning (6) förbinder endast en av avgasöppningsanordningarna (14) med ettseparat inloppsområde till turbinen, ATiN.
8. Fyrtakts-förbrånningsmotor (2) enligt patentkrav 7, vari var och en avcylinderanordningarna (4) har anordnats för att avfyra med ett separationsintervall påungefär 240 graders vevaxelvinkel.
9. Fyrtakts-förbrånningsmotor (2) enligt patentkrav 7 eller 8, eller enligt patentkrav 4, vari varje cylinderanordning (4) har en koefficient för öppningshastighet ß < 0,06.
SE1551415A 2015-11-03 2015-11-03 Four Stroke Internal Combustion Engine Efficiently Utilisingthe Blowdown Energy in a Turbine SE539356C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE1551415A SE539356C2 (sv) 2015-11-03 2015-11-03 Four Stroke Internal Combustion Engine Efficiently Utilisingthe Blowdown Energy in a Turbine
PCT/SE2016/050944 WO2017078589A1 (en) 2015-11-03 2016-10-05 Four stroke internal combustion engine
KR1020187014751A KR102026920B1 (ko) 2015-11-03 2016-10-05 4행정 내연 기관
US15/772,441 US11008933B2 (en) 2015-11-03 2016-10-05 Four stroke internal combustion engine
CN201680070923.1A CN108291480B (zh) 2015-11-03 2016-10-05 四冲程内燃机
EP16862555.6A EP3371433B1 (en) 2015-11-03 2016-10-05 Four stroke internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1551415A SE539356C2 (sv) 2015-11-03 2015-11-03 Four Stroke Internal Combustion Engine Efficiently Utilisingthe Blowdown Energy in a Turbine

Publications (2)

Publication Number Publication Date
SE1551415A1 true SE1551415A1 (sv) 2017-05-04
SE539356C2 SE539356C2 (sv) 2017-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
SE1551415A SE539356C2 (sv) 2015-11-03 2015-11-03 Four Stroke Internal Combustion Engine Efficiently Utilisingthe Blowdown Energy in a Turbine

Country Status (6)

Country Link
US (1) US11008933B2 (sv)
EP (1) EP3371433B1 (sv)
KR (1) KR102026920B1 (sv)
CN (1) CN108291480B (sv)
SE (1) SE539356C2 (sv)
WO (1) WO2017078589A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1751236A1 (en) * 2017-10-06 2019-04-07 Scania Cv Ab Internal Combustion Engine and thereto Related Method

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GB1085321A (en) 1963-10-08 1967-09-27 Schwitzer Corp Improvements in and relating to the supercharging of internal combustion engines
DE2022089A1 (de) 1970-05-06 1971-11-18 Kuehnle Kopp Kausch Ag Auspuffsystem fuer Fuenfzylinder-Reihen- und Zehnzylinder-V-Motoren mit Abgasturbolader
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1751236A1 (en) * 2017-10-06 2019-04-07 Scania Cv Ab Internal Combustion Engine and thereto Related Method
WO2019070190A1 (en) * 2017-10-06 2019-04-11 Scania Cv Ab INTERNAL COMBUSTION ENGINE WITH QUICK ACTING SECONDARY EXHAUST VALVE AND METHOD THEREOF

Also Published As

Publication number Publication date
US20180320579A1 (en) 2018-11-08
CN108291480A (zh) 2018-07-17
KR102026920B1 (ko) 2019-09-30
KR20180071358A (ko) 2018-06-27
EP3371433B1 (en) 2021-03-31
CN108291480B (zh) 2020-11-03
SE539356C2 (sv) 2017-08-01
US11008933B2 (en) 2021-05-18
WO2017078589A1 (en) 2017-05-11
EP3371433A4 (en) 2019-06-26
EP3371433A1 (en) 2018-09-12

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