EP2623759A1 - Moteur à combustion interne avec au moins trois cylindres - Google Patents

Moteur à combustion interne avec au moins trois cylindres Download PDF

Info

Publication number
EP2623759A1
EP2623759A1 EP12194556.2A EP12194556A EP2623759A1 EP 2623759 A1 EP2623759 A1 EP 2623759A1 EP 12194556 A EP12194556 A EP 12194556A EP 2623759 A1 EP2623759 A1 EP 2623759A1
Authority
EP
European Patent Office
Prior art keywords
coolant
combustion engine
internal combustion
cylinder head
cylinders
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP12194556.2A
Other languages
German (de)
English (en)
Other versions
EP2623759B1 (fr
Inventor
Norbert Dembinski
Thomas Spiess
Roy Dille
Matthias Dr. Lepschi
Walter Nederegger
Attila Solymosi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP2623759A1 publication Critical patent/EP2623759A1/fr
Application granted granted Critical
Publication of EP2623759B1 publication Critical patent/EP2623759B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • 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 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
    • 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
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/36—Cylinder heads having cooling means for liquid cooling
    • F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F01P2003/027—Cooling cylinders and cylinder heads in parallel

Definitions

  • the invention relates to an internal combustion engine with at least three cylinders having the features of the preamble of patent claim 1.
  • an internal combustion engine having at least two cylinders is known.
  • the internal combustion engine has an inlet and an outlet side for the charge exchange, as well as a web region between the cylinders.
  • the cylinder head and / or the crankcase of the internal combustion engine have on the inlet side a first and on the outlet side a second coolant channel oriented substantially parallel to a longitudinal axis of the internal combustion engine.
  • the proposed internal combustion engine is characterized in that the first coolant channel in the web region is conductively guided by at least one bore to the second coolant channel coolant.
  • Object of the present invention is to show a measure, such as an internal combustion engine with at least three cylinders in the direction of its longitudinal axis uniformly, d. H. can be cooled with a low temperature difference from land area to land area.
  • the embodiment according to the invention achieves an extremely uniform temperature distribution along the longitudinal axis of the internal combustion engine from land area to land area.
  • the roof area of the cylinder head is also cooled very evenly and efficiently. This supports the warm-up of the internal combustion engine and thus leads to an optimized lubricant transfer by excellent heat transfer from the hot zones of the cylinder head in lubricant leading structures of the base engine, whereby the friction power (power loss) is advantageously significantly reduced, which in turn leads to a significant fuel economy during warm-up leads.
  • the embodiment according to claim 4 is a particularly advantageous embodiment.
  • the coolant supply can be reduced by the cylinder head or completely turned off during warm-up, which in particular for the warm-up of the engine, as already shown above, is advantageous.
  • Fig. 1 schematically shows a vertical section through an internal combustion engine 1 according to the invention transversely to a longitudinal axis, not shown, with indicated by arrows coolant guide.
  • the internal combustion engine 1 has at least three cylinders 2, 2 ', 2 ", shown in FIG Fig. 2 , arranged in a crankcase 12 in a row, on.
  • the longitudinal axis is defined by the cylinders 2, 2 ', 2 "arranged in series (longitudinal axis) .
  • the internal combustion engine 1 has a cylinder head 3 with an inlet 4 and an outlet 5, characterized by two directional arrows fresh combustion air into the cylinders 2, 2 ', 2 ", the exhaust gases are discharged on the outlet side 5 again.
  • a web portion 6 is formed, which separates the cylinders 2, 2', 2" from each other.
  • a first and a second, substantially parallel to the longitudinal axis of the internal combustion engine 1 aligned coolant channel 7, 8 are provided for a coolant.
  • the first and the second coolant channels 7, 8 may also be formed together in the crankcase 12 or in the cylinder head 3 or in the crankcase 12 and in the cylinder head 3 or as separate, external coolant channels 7, 8.
  • the first and the second coolant channel 7, 8 by at least one web bore 9, 9 ', in this case two V-holes per land area 6, leading coolant connected to each other.
  • the cylinder head 3 can be traversed transversely and longitudinally to the longitudinal axis of the coolant, wherein more than 50% of the coolant flow through the cylinder head 3 transversely.
  • coolant is conveyed from a coolant inlet channel 11 to the first coolant channel 7.
  • the coolant as shown above, promoted by the cylinder head 3.
  • the coolant flows through the web bores 9, 9 from the first coolant channel 7 to the second coolant channel 8. Starting from the second coolant channel 8, the coolant continues to flow to a coolant pump, not shown, of the internal combustion engine 1.
  • the cylinder head of about 70% of the coolant is traversed transversely and about 30% longitudinally. So that according to the invention a uniform tempering of the internal combustion engine 1 takes place, the first coolant channel 7 is formed such that a flow cross section of the first coolant channel 7 becomes smaller in the flow direction of the coolant and a flow cross section of the second coolant channel 8 increases in the flow direction of the coolant. This is recognizable in Fig. 2 ,
  • the first coolant channel 7 is arranged on the inlet side and the second coolant channel 8 on the outlet side.
  • a mirrored arrangement is possible.
  • the web bores 9, 9 ' are flowed through by the coolant from the inlet side 4 to the outlet side 5.
  • the coolant from the inlet side 4 to the outlet side 5.
  • a throttle element 10 may be provided for the coolant.
  • the coolant flow through the cylinder head during the warm-up phase of the internal combustion engine 1 can be reduced completely or completely switched off, so that the fastest possible heating of the internal combustion engine 1 is possible.
  • the internal friction of the internal combustion engine is significantly reduced, whereby the pollutant raw emissions lowered and the fuel consumption can be reduced.
  • the inventive design of the coolant guide can also be provided for an internal combustion engine 1 of the V-type with two rows of cylinders.
  • the outlet sides 5 of the two cylinder rows are preferably arranged within the V, ie between the cylinder heads 3.
  • Fig. 2 shows a horizontal section through the internal combustion engine 1 with the schematically drawn, inventive coolant circuit.
  • the coolant flows from the coolant inlet channel 11 into the first coolant channel 7 and from there mainly transversely through the cylinder head 3 and through the web bores 9, 9 '.
  • the coolant is in this case conveyed into the second coolant channel 8 and from there further in the direction of the coolant pump, not shown.
  • the rest of the coolant circuit is not considered here.
  • the flow cross section of the first coolant channel 7 in the flow direction of the coolant becomes smaller and the flow cross section of the second coolant channel 8 larger in the flow direction of the coolant.
  • This reduction or enlargement of the flow cross sections can be linear, or as in Fig. 2 shown, done in stages.
  • the flow cross-section decreases or increases the flow cross-section of the first coolant channel 7 and the second coolant channel 8 corresponding to the four cylinders by 25%. With more or fewer cylinders for an internal combustion engine 1, however, this factor may differ according to the number of cylinders.
  • the embodiment according to the invention thus ensures extremely homogeneous heating of the internal combustion engine 1.
  • an optimized heating of the lubricant results from the heat transfer from hot zones of the cylinder head 3 into lubricant-carrying structures of the basic engine, which leads to a reduction in friction and thus fuel savings.
  • All customer-relevant operating conditions, including the passenger compartment heating, are secured.
  • secure component protection is achieved by directly addressing significant factors of internal combustion engine functional elements.
  • the coolant flow rate through the cylinder head 3 is increased, in the form of a "cool head” and a "hot foot".

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP12194556.2A 2012-01-16 2012-11-28 Moteur à combustion interne avec au moins trois cylindres Active EP2623759B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012200527A DE102012200527A1 (de) 2012-01-16 2012-01-16 Brennkraftmaschine mit zumindest drei Zylindern

Publications (2)

Publication Number Publication Date
EP2623759A1 true EP2623759A1 (fr) 2013-08-07
EP2623759B1 EP2623759B1 (fr) 2016-11-16

Family

ID=47357941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12194556.2A Active EP2623759B1 (fr) 2012-01-16 2012-11-28 Moteur à combustion interne avec au moins trois cylindres

Country Status (2)

Country Link
EP (1) EP2623759B1 (fr)
DE (1) DE102012200527A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760847A1 (fr) * 2019-07-02 2021-01-06 Hyundai Motor Company Chemise d'eau d'un moteur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8960134B1 (en) 2013-07-31 2015-02-24 GM Global Technology Operations LLC Targeted cooling with individualized feeding ports to cylinders
DE102015213879A1 (de) 2015-07-23 2017-01-26 Bayerische Motoren Werke Aktiengesellschaft Brennkraftmaschine mit geteiltem Kühlsystem
DE102019210203A1 (de) * 2019-07-10 2021-01-14 Ford Global Technologies, Llc Kühlanordnung für Zylinderbrücken
DE102020111176A1 (de) 2020-04-24 2021-10-28 Bayerische Motoren Werke Aktiengesellschaft Verbrennungskraftmaschine mit einer Kühlvorrichtung zum Kühlen von Zylindern und Kraftfahrzeug mit einer Verbrennungskraftmaschine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083958A1 (fr) * 2000-05-03 2001-11-08 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Circuit de refroidissement pour moteur a combustion interne multicylindre
US20050217615A1 (en) * 2004-03-31 2005-10-06 Takashi Matsutani Cooling structure of cylinder block
US20050235931A1 (en) * 2004-04-21 2005-10-27 Zahdeh Akram R Engine cylinder cooling jacket
DE102005037384A1 (de) 2005-08-08 2007-02-22 Bayerische Motoren Werke Ag Brennkraftmaschine mit zumindest zwei Zylindern
DE102006006121A1 (de) * 2006-02-10 2007-08-16 Audi Ag Verbrennungskraftmaschine mit in mindestens zwei parallelen Zylinderbänken angeordneten Zylindern
WO2010031423A1 (fr) * 2008-09-22 2010-03-25 Fev Motorentechnik Gmbh Dispositif de refroidissement, circuit de refroidissement et procédé de refroidissement pour un moteur à combustion interne
DE102009009686A1 (de) * 2009-02-19 2010-08-26 Bayerische Motoren Werke Aktiengesellschaft Flüssigkeitsgekühlte Brennkraftmaschine mit einem Kurbelgehäuse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7234422B2 (en) * 2005-09-13 2007-06-26 Gm Global Technology Operations, Inc. Engine cooling method and apparatus
US8146544B2 (en) * 2009-03-05 2012-04-03 GM Global Technology Operations LLC Engine cylinder head cooling features and method of forming

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083958A1 (fr) * 2000-05-03 2001-11-08 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Circuit de refroidissement pour moteur a combustion interne multicylindre
US20050217615A1 (en) * 2004-03-31 2005-10-06 Takashi Matsutani Cooling structure of cylinder block
US20050235931A1 (en) * 2004-04-21 2005-10-27 Zahdeh Akram R Engine cylinder cooling jacket
DE102005037384A1 (de) 2005-08-08 2007-02-22 Bayerische Motoren Werke Ag Brennkraftmaschine mit zumindest zwei Zylindern
DE102006006121A1 (de) * 2006-02-10 2007-08-16 Audi Ag Verbrennungskraftmaschine mit in mindestens zwei parallelen Zylinderbänken angeordneten Zylindern
WO2010031423A1 (fr) * 2008-09-22 2010-03-25 Fev Motorentechnik Gmbh Dispositif de refroidissement, circuit de refroidissement et procédé de refroidissement pour un moteur à combustion interne
DE102009009686A1 (de) * 2009-02-19 2010-08-26 Bayerische Motoren Werke Aktiengesellschaft Flüssigkeitsgekühlte Brennkraftmaschine mit einem Kurbelgehäuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760847A1 (fr) * 2019-07-02 2021-01-06 Hyundai Motor Company Chemise d'eau d'un moteur
US10934925B2 (en) 2019-07-02 2021-03-02 Hyundai Motor Company Water jacket of engine

Also Published As

Publication number Publication date
EP2623759B1 (fr) 2016-11-16
DE102012200527A1 (de) 2013-07-18

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