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WO2010145940A1 - Culasse pour moteur à combustion interne - Google Patents

Culasse pour moteur à combustion interne Download PDF

Info

Publication number
WO2010145940A1
WO2010145940A1 PCT/EP2010/057725 EP2010057725W WO2010145940A1 WO 2010145940 A1 WO2010145940 A1 WO 2010145940A1 EP 2010057725 W EP2010057725 W EP 2010057725W WO 2010145940 A1 WO2010145940 A1 WO 2010145940A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
cylinder head
radial
channel
cooling chamber
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.)
Ceased
Application number
PCT/EP2010/057725
Other languages
German (de)
English (en)
Inventor
Thomas Brandl
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.)
AVL List GmbH
Original Assignee
AVL List GmbH
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 AVL List GmbH filed Critical AVL List GmbH
Priority to DE112010002530.4T priority Critical patent/DE112010002530B4/de
Publication of WO2010145940A1 publication Critical patent/WO2010145940A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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 

Definitions

  • the invention relates to a cylinder head for an internal combustion engine having a cooling system with at least one cast radial cooling channel in the region of at least one web between two adjacent mouths of gas exchange channels, the radial cooling channel fluidly connecting a peripheral outer cooling space and a central inner cooling space.
  • US 4 889 080 A discloses a cylinder head with cast radial cooling channels, which cooling channels are each arranged between the adjacent mouths of gas exchange channels.
  • the cooling channels connect an outer cooling space surrounding the mouths to a central inner cooling space.
  • the object of the invention is to provide a cylinder head in which thermally critical areas are optimally cooled and whose cooling system is to be produced with the least possible outlay.
  • circumferential outer cooling chamber has the shape of a circular ring, wherein preferably in the region of each ridge between each two gas exchange channels, a radial cooling channel is arranged.
  • the radial cooling channels, the inner cooling chamber and the outer cooling chamber in the form of a spoked wheel, wherein the radial cooling channels form the spokes of the wheel.
  • the radial cooling channel has different cross sections between the inner cooling space and the outer cooling space, wherein the change of the cross sections is preferably continuous, wherein preferably the radial cooling channel is at least one nozzle-like Has constriction.
  • the cross-sectional profile of the radial cooling channels can thus be optimally adapted to the thermal requirements.
  • the cross-sectional profile of at least one radial cooling channel is formed swirl-generating.
  • a fine-tuning of the heat dissipation can be effected in that the outer annular space has at least one cross-sectional constriction.
  • the inner cooling space, the outer cooling space and the radial cooling channels form a first cooling level for cooling the fire deck.
  • the cooling system for cooling the gas exchange channels above the firstdeebene has a seconddeebene which is fluidly connected to the firstdeebene, preferably wherein the cooling system has a thirddeebene the seconddeebene, which with the seconddeebene is fluidly connected.
  • the cooling chambers are flowed through successively, the flow through both from the first to the third cooling deck, as well as vice versa from the third to the first cooling space is possible.
  • At least one mouth of a gas exchange channel preferably the mouth of an outlet channel
  • a preferably cast ring cooling chamber which annular cooling space is flow-connected to the inner cooling space and / or the outer cooling space.
  • the annular cooling chambers around the mouths of the outlet channels ensure a particularly good heat dissipation from the thermally highly stressed areas.
  • FIG. 1 shows a core package of a water jacket of a cylinder head according to the invention in an oblique view
  • FIG. 3 shows a core packet of the first and the seconddeebene in a section along the line III-III in Fig. 1,
  • FIG. 4 shows a cylinder head according to the invention in a section along the line IV-IV in Figure 5, top view of the firstdeebene,
  • FIG. 5 shows the cylinder head in a section along the line V-V in Fig. 4 and Fig. 6 shows the cylinder head in a section along the line VI-VI in Fig. 4,
  • FIG. 7 shows the cylinder head in a section along the line YII-YII in Fig. 4,
  • Fig. 8 shows a core package for the cylinder in a section along the line VIII-VIII in Fig. 2 and 9 shows the core package for the cylinder in a section along the line IX-IX in Fig. 2nd
  • a cooling system 38 is provided with a first, a second and a third cooling level 5, 6 and 7, wherein the superimposed cooling level 5, 6, 7 are fluidly connected to each other.
  • the corresponding core packages are designated in FIGS. 1 to 3 with 5a, 6a and 7a.
  • the first cooling level 5 serves to cool the fire deck 8, in particular to cool areas of high thermal load 9, 10, 11, 12 between the openings 13, 14, 15 and 16 of the inlet and outlet channels 2.
  • the first cooling level 5 in this case has an inner central cooling space 17 for the injection device 14 and a circumferential outer cooling channel 18 formed as an annular channel, as well as radial cooling channels 19, 20, 21 and 22, which connect the inner and outer cooling chambers 17, 18 to one another.
  • the radial cooling channels 19, 20, 21 and 22 have different cross-sections depending on the radius, wherein the continuous cross-sectional profile is adapted to the thermal requirements.
  • a nozzle-like constriction 23, 24, 25 and 26 is provided in the region of the webs 9, 10, 11, 12 in each case in order to increase the flow velocity of the coolant.
  • annular cooling chambers 27, 28 are provided around the orifices 15, 16 of the outlet channels, which are flow-connected via connecting channels 29, 30 with the inner cooling chamber 17 and the outer cooling chamber 18.
  • the coolant flows from a distributor strip, not shown, coming into the outer cooling chamber 18 and from there through the radial cooling channels 19, 20, 21, 22 into the inner cooling chamber 17 the coolant flows from the outer cooling chamber 18 via the connecting channels 29, 30 in the mouths 15, 16 surrounding annular cooling chambers 27 and 28, and passes from here into the central inner cooler chamber 17 to the injector 4. From the inner cooling chamber 17, the coolant continues to flow through an annular gap 32 in an intermediate deck 33 around the injection device 4 into the second cooling level 6 and flows through overflow openings 34 into the third cooling level 7, as indicated in FIGS. 5 and 6. From the third cooling level 7, the coolant enters a collection bar, not shown.
  • the outer cooling space 18 in the cylinder head 1 can also be dial open to the outside. In the assembled state then the outer cooling chamber 18 is limited to above the cylinder head plane 36 raised walls of the cylinder block.
  • FIGS. 8 and 9 show core packages of the cylinder head, the cores 2a of the gas exchange channels 2 being mounted in the core 5a of the first cooling plane 5.

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)

Abstract

L'invention concerne une culasse (1) pour un moteur à combustion interne, comprenant un système de refroidissement (38) muni d'au moins un canal de refroidissement radial coulé (19, 20, 21, 22) dans la zone d'au moins une entretoise (9, 10, 11, 12) entre deux orifices adjacents (13, 14, 15, 16) de canaux d'échange gazeux, le canal de refroidissement radial (19, 20, 21, 22) mettant en communication d'écoulement une chambre de refroidissement extérieure périphérique (18) et une chambre de refroidissement intérieure centrale (17). Pour permettre une dissipation de chaleur optimale de la manière la plus simple possible, la chambre de refroidissement extérieure périphérique (18) est venue de fonte et présente la forme d'un anneau circulaire.
PCT/EP2010/057725 2009-06-15 2010-06-02 Culasse pour moteur à combustion interne Ceased WO2010145940A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112010002530.4T DE112010002530B4 (de) 2009-06-15 2010-06-02 Zylinderkopf für eine Brennkraftmaschine mit radialen Kühlkanälen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT9172009A AT506474B1 (de) 2009-06-15 2009-06-15 Zylinderkopf für eine brennkraftmaschine
ATA917/2009 2009-06-15

Publications (1)

Publication Number Publication Date
WO2010145940A1 true WO2010145940A1 (fr) 2010-12-23

Family

ID=41057722

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/057725 Ceased WO2010145940A1 (fr) 2009-06-15 2010-06-02 Culasse pour moteur à combustion interne

Country Status (3)

Country Link
AT (1) AT506474B1 (fr)
DE (1) DE112010002530B4 (fr)
WO (1) WO2010145940A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513383B1 (de) * 2013-05-08 2014-04-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
AT513746A4 (de) * 2013-05-08 2014-07-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
CN103939226A (zh) * 2014-04-25 2014-07-23 温州大学 带有多阶射流装置的柴油机缸盖

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT520289B1 (de) * 2017-08-09 2019-03-15 Avl List Gmbh Zylinderkopf für eine brennkraftmaschine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR910675A (fr) * 1944-05-08 1946-06-14 Sulzer Ag Chambre de combustion pour machines à combustion interne
GB668962A (en) * 1949-03-09 1952-03-26 Sulzer Ag Improvements relating to machine parts with inserted valve seats
US3115126A (en) * 1961-06-08 1963-12-24 Charles O Spencer Removable insert for internal combustion chambers
US3125082A (en) * 1964-03-17 Internal combustion engine cylinder heads
US3769948A (en) * 1971-08-03 1973-11-06 List H Cylinder head for a water-cooled internal combustion engine
GB1479139A (en) * 1973-06-21 1977-07-06 Nat Res Dev Internal combustion engines
GB2021691A (en) * 1978-05-26 1979-12-05 Sulzer Ag Cooling an internal combustion engine cylinder head
WO1996009467A1 (fr) * 1994-09-19 1996-03-28 Motoren-Werke Mannheim Aktiengesellschaft Culasse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH614995A5 (en) * 1978-09-25 1979-12-28 Sulzer Ag Arrangement for cooling of the cylinder cover of a four-stroke diesel engine
JPS63186923U (fr) * 1987-05-26 1988-11-30
AT3139U1 (de) * 1998-11-09 1999-10-25 Avl List Gmbh Zylinderkopf für eine flüssigkeitsgekühlte brennkraftmaschine
AT6342U1 (de) * 2002-07-23 2003-08-25 Avl List Gmbh Zylinderkopf für eine flüssigkeitsgekühlte mehrzylinder-brennkraftmaschine
DE102004015134A1 (de) * 2004-03-27 2005-10-13 Dr.Ing.H.C. F. Porsche Ag Wassergekühlter Zylinderkopf für eine mehrzylindrige Brennkraftmaschine
US7234422B2 (en) * 2005-09-13 2007-06-26 Gm Global Technology Operations, Inc. Engine cooling method and apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125082A (en) * 1964-03-17 Internal combustion engine cylinder heads
FR910675A (fr) * 1944-05-08 1946-06-14 Sulzer Ag Chambre de combustion pour machines à combustion interne
GB668962A (en) * 1949-03-09 1952-03-26 Sulzer Ag Improvements relating to machine parts with inserted valve seats
US3115126A (en) * 1961-06-08 1963-12-24 Charles O Spencer Removable insert for internal combustion chambers
US3769948A (en) * 1971-08-03 1973-11-06 List H Cylinder head for a water-cooled internal combustion engine
GB1479139A (en) * 1973-06-21 1977-07-06 Nat Res Dev Internal combustion engines
GB2021691A (en) * 1978-05-26 1979-12-05 Sulzer Ag Cooling an internal combustion engine cylinder head
WO1996009467A1 (fr) * 1994-09-19 1996-03-28 Motoren-Werke Mannheim Aktiengesellschaft Culasse

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513383B1 (de) * 2013-05-08 2014-04-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
AT513383A4 (de) * 2013-05-08 2014-04-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
AT513746A4 (de) * 2013-05-08 2014-07-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
AT513746B1 (de) * 2013-05-08 2014-07-15 Avl List Gmbh Zylinderkopf für eine Brennkraftmaschine
US9890738B2 (en) 2013-05-08 2018-02-13 Avl List Gmbh Cylinder head for an internal combustion engine
US10408162B2 (en) 2013-05-08 2019-09-10 Avl List Gmbh Cylinder head for an internal combustion engine
CN103939226A (zh) * 2014-04-25 2014-07-23 温州大学 带有多阶射流装置的柴油机缸盖

Also Published As

Publication number Publication date
DE112010002530A5 (de) 2012-10-18
AT506474A3 (de) 2010-03-15
AT506474B1 (de) 2010-12-15
AT506474A2 (de) 2009-09-15
DE112010002530B4 (de) 2017-12-14

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