EP1591639A1 - Verfahren zur Herstellung eines Verbrennungsmotors - Google Patents
Verfahren zur Herstellung eines Verbrennungsmotors Download PDFInfo
- Publication number
- EP1591639A1 EP1591639A1 EP04101829A EP04101829A EP1591639A1 EP 1591639 A1 EP1591639 A1 EP 1591639A1 EP 04101829 A EP04101829 A EP 04101829A EP 04101829 A EP04101829 A EP 04101829A EP 1591639 A1 EP1591639 A1 EP 1591639A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coolant channel
- internal combustion
- combustion engine
- insulation layer
- insulating layer
- 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
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000002826 coolant Substances 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 29
- 239000000919 ceramic Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000012774 insulation material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/16—Cylinder liners of wet type
-
- 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
- F02B77/11—Thermal or acoustic insulation
-
- 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
Definitions
- the invention relates to a method for producing an internal combustion engine with at least one cylinder liner of at least one coolant channel is surrounded, wherein the coolant channel to its outside a Insulation layer is assigned. But the invention also relates to a Internal combustion engine with at least one cylinder liner of at least a coolant channel is surrounded, wherein the coolant channel an insulation layer is assigned to its outer sides.
- the Internal combustion engines are used in motor vehicles.
- the Internal combustion engines usually have a cylinder block with one or several cylinder liners and a cylinder block associated Cylinder head up.
- the cylinder block or the cylinder head is usually casting technology of aluminum or other suitable cast materials such.
- JP 2001-020738 relates to a cooling device for an internal combustion engine.
- the Cooling device has a water jacket, which has an internal heat insulation includes.
- the cooling device has such a structure that a coolant a outer wall surface of a cylinder liner contacted.
- An inner surface of the Water jacket, not the outer wall surface of the cylinder liner, is of the Insulation material covered.
- the insulation material is with a cylinder head gasket connected.
- JP 2001-020738 As a major disadvantage of JP 2001-020738 is to be considered that the insulation material is inserted into the water jacket. This is only for so-called “open-deck” variants possible and can not with so-called “closed deck” variants or Cylinder heads are also used there because of existing webs Insertion is impossible. In addition, by pushing coolant behind get the insulation layer, whereby the insulation effect significantly reduced would.
- DE 199 35 335 A1 relates to an encapsulation for internal combustion engines, in which as the material for the encapsulation polyurethane foam is used. This is the internal combustion engine with an insulating layer on its outer walls Provided.
- US 5,115,771 relates to a cooling system for cylinder liners in an engine.
- the cooling system comprises a cylinder liner which is housed in a cylinder block is arranged and a thermal insulation channel in an upper area the cylinder block is introduced and spaced from the cylinder liner. As a result, the temperature of the wall surface of the cylinder liner at the increased upper range.
- a coolant jacket is inserted in the cylinder block to to surround an area of the cylinder liner.
- the coolant jacket has a Coolant inlet, which is arranged at a lower portion of the cylinder liner and a coolant outlet located on an upper side of the Cylinder liner is arranged.
- a cylinder block construction In US 6,101,994 a cylinder block construction is disclosed.
- the cylinder block construction comprises a cylinder block and a plurality of cylinder bores in the Cylinder block are introduced, with intermediate areas between each adjacent cylinder bores are formed.
- a water jacket is in the Cylinder block introduced to surround the plurality of cylinder bores.
- a plurality of oil passages are in the cylinder block outside the water jacket introduced to allow oil from the cylinder head through it can fall to a crankcase. The majority of oil shafts are between adjacent intermediate edge regions generally along the cooling jacket brought in.
- a cylinder block for an internal combustion engine has a twin cylinder bushing containing metal.
- the Twin cylinder bushing has a radially outwardly directed, round Flange approach, spaced but adjacent to the bottom of the Twin cylinder socket is.
- the cylinder block has a surrounding sheath spaced apart from around the flange unit Twin cylinder bushing, wherein the shell and the flange unit with each other are shed.
- the jacket is made of molded fiber-reinforced plastic, which is essentially due to the thermal expansion properties of Cylinder sleeve unit is adapted.
- GB 1,561,638 relates to a liquid cooling system of an internal combustion engine, in which seawater as a liquid coolant through a cooling space of the engine is passed and surrounds a cylinder liner.
- a heat transfer retarder (Heat insulator) is provided, which is a thermally insulating socket comprising between the outer surface of the cylinder liner and the Refrigerator is arranged.
- the invention is based on the object, an internal combustion engine of the above mentioned type with simple means to improve, so that this after a Cold start is faster to a required operating temperature.
- the object is achieved in that the insulating layer at least partially on inner walls of the coolant channel to his Outside sides is introduced, wherein the insulating layer integral with the Coolant channel is formed, so that the insulation layer form-fitting with the Inner wall of the coolant channel is connected.
- the task but also solved in that the insulation layer at least partially an inner wall of the coolant channel to its outer sides so introduced is that the insulating layer is formed integrally with the coolant channel, so that the insulating layer form-fitting with the inner walls of the coolant channel connected is.
- the inventive production and arrangement of the insulating layer be during the cold start or during a warm-up of the Combustion engine advantageous only the inner part of the cylinder block or the Cylinder liner, the cylinder head and the coolant itself warmed up.
- the Outer part of the cylinder block or the cylinder head remains here for a longer time cooler.
- a form-locking connection in the sense of the invention comes about in such a way that For example, in a casting process existing heat the material of Main body (cylinder block or cylinder head) with the material of Insulation layer binds to an intimate unit.
- the wall portion in the Cross-section seen from the cylinder liner is oriented away. One for this opposite inner side is therefore oriented towards the cylinder liner.
- the insulation layer form-fitting with the respective walls is connected, it is therefore advantageously provided that the insulating layer at the same time is produced by casting in the production of the coolant channel.
- the Coolant channel is suitably provided that the insulation layer at its Production is poured directly into this.
- the insulating layer in a production of cores in particular the cores for the formation of the coolant channel is integrated in these.
- the Insulation layer is in this case preferably arranged on the regions of the cores, which should form the outside of the inner wall of the coolant channel.
- the Insulation material is preferably seen in a cross section in one Partial circle portion of the core surface integrated into the core accordingly, so that preferably one half of the inner wall surface has the insulating layer.
- the insulating material seen in cross section also more or less than one half of the coolant channel or even fully cover.
- the insulating material or the insulating layer in the production of Cores, especially sand cores, is already integrated is advantageously achieved that a use of much thinner cores is possible because a minimum thickness the cores are affected by their strength. If additional Insulation material is incorporated into the cores, the core has a higher Strength, so that it can be made much thinner, which significant cost savings are achieved.
- the volume of the insulating layer is preferably about 10 - 50%.
- the Insulation layer may extend over the entire length of the coolant channel. It is also possible, however, that the insulation layer is slightly shorter than the Coolant channel length is.
- the insulating layer consists of ceramic, wherein the Insulation layer also consist of a heat-resistant, synthetic material can.
- the insulating layer directly to the internal combustion engine in particular is poured into its coolant channel
- inventive Method in particular cylinder heads or for example so-called “closed Deck”
- variableants can be made with the insulating layer positive connection of the insulating layer with the inner walls of the Coolant channel to its outsides is also an improved Thermal insulation guaranteed.
- the insulation layer only is provided on the outer sides of the coolant channel, wherein a to Cylinder liner towards arranged region of the inner wall of the coolant channel just does not have this insulation layer, the coolant can in the Cylinder liner absorb heat generated, the insulation layer a Heat transfer to the other cylinder block or cylinder head largely prevented. Further, a heat transfer from the engine to him surrounding ambient air is reduced.
- the inventive method for producing the internal combustion engine and the internal combustion engine according to the invention with the insulating layer is a achieved faster warm up of the internal combustion engine during a cold start. This not only reduces fuel consumption, it also creates it at the same time less pollutant emissions, adding a faster activation (Light-off) of a catalyst is achieved, with the light-off temperature rather is reached. Further, the operating oil is faster to the required Operating temperature led, so that the wear is reduced even in short trips, whereby the internal combustion engine has an increased life.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Claims (10)
- Verfahren zur Herstellung eines Verbrennungsmotors mit zumindest einer Zylinderlaufbuchse die von mindestens einem Kühlmittelkanal umgeben ist, wobei dem Kühlmittelkanal zu seiner Außenseite hin eine Isolationsschicht zugeordnet ist,
dadurch gekennzeichnet, daß
die Isolationsschicht zumindest bereichsweise an den Innenwänden des Kühlmittelkanals zu seinen Außenseiten hin eingebracht ist, wobei die Isolationsschicht einstückig mit dem Kühlmittelkanal gebildet ist, so daß die Isolationsschicht formschlüssig mit der Innenwand des Kühlmittelkanals verbunden ist. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß
die Isolationsschicht gleichzeitig mit dem Kühlmittelkanal hergestellt wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
die Isolationsschicht bei der Herstellung des Kühlmittelkanals direkt in diesen eingegossen wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß
die Isolationsschicht in Kernen zur Ausbildung des Kühlmittelkanals integriert ist. - Verfahren nach einem der vorgehenden Ansprüche,
dadurch gekennzeichnet, daß
die Isolationsschicht aus Keramik besteht. - Verfahren nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
die Isolationsschicht aus einem wärme-resistenten synthetischen Material besteht. - Verbrennungsmotor mit zumindest einer Zylinderlaufbuchse die von mindestens einem Kühlmittelkanal umgeben ist, wobei dem Kühlmittelkanal zu seiner Außenseite hin eine Isolationsschicht zugeordnet ist, insbesondere nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß
die Isolationsschicht zumindest bereichsweise an den Innenwänden des Kühlmittelkanals zu seinen Außenseiten hin derart eingebracht ist, daß die Isolationsschicht einstückig mit dem Kühlmittelkanal gebildet ist, so daß die Isolationsschicht formschlüssig mit der Innenwand des Kühlmittelkanals verbunden ist. - Verbrennungsmotor nach Anspruch 7,
dadurch gekennzeichnet, daß
die Isolationsschicht im Querschnitt gesehen in einem Teilkreisabschnitt an den Innenwänden des Kühlmittelkanals angeordnet ist. - Verbrennungsmotor nach Anspruch 7 oder 8,
dadurch gekennzeichnet, daß
die Isolationsschicht aus Keramik besteht. - Verbrennungsmotor nach Anspruch 7 oder 8,
dadurch gekennzeichnet, daß
die Isolationsschicht aus einem wärme-resistenten synthetischen Material besteht.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20040101829 EP1591639B1 (de) | 2004-04-29 | 2004-04-29 | Verfahren zur Herstellung eines Verbrennungsmotors |
| DE200450011549 DE502004011549D1 (de) | 2004-04-29 | 2004-04-29 | Verfahren zur Herstellung eines Verbrennungsmotors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20040101829 EP1591639B1 (de) | 2004-04-29 | 2004-04-29 | Verfahren zur Herstellung eines Verbrennungsmotors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1591639A1 true EP1591639A1 (de) | 2005-11-02 |
| EP1591639B1 EP1591639B1 (de) | 2010-08-18 |
Family
ID=34929039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20040101829 Expired - Lifetime EP1591639B1 (de) | 2004-04-29 | 2004-04-29 | Verfahren zur Herstellung eines Verbrennungsmotors |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1591639B1 (de) |
| DE (1) | DE502004011549D1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015200103A1 (de) | 2014-01-27 | 2015-07-30 | Ford Global Technologies, Llc | Brennkraftmaschine mit flüssigkeitsgekühltem Zylinderkopf |
| DE102014201411A1 (de) * | 2014-01-27 | 2015-08-13 | Ford Global Technologies, Llc | Brennkraftmaschine mit gekühlter Turbine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3408490A1 (de) * | 1984-03-08 | 1985-09-12 | Willibald 8000 München Hiemer | Zylinderblock einer wassergekuehlten hubkolben-brennkraftmaschine |
| DE3602616A1 (de) * | 1986-01-29 | 1986-09-18 | Dalibor 44801 Bochum Plesek | Verkuerzung der warmlaufphase bei fluessigkeitsgekuehlten verbrennungsmotoren |
| EP0647804A1 (de) * | 1993-10-12 | 1995-04-12 | Yamaha Hatsudoki Kabushiki Kaisha | Brennkraftmaschine |
| FR2745332A1 (fr) * | 1996-02-28 | 1997-08-29 | Renault | Dispositif de refroidissement pour moteur a combustion interne |
| DE19745585A1 (de) * | 1996-10-16 | 1998-04-30 | Avl List Gmbh | Brennkraftmaschine mit innerer Verbrennung |
-
2004
- 2004-04-29 EP EP20040101829 patent/EP1591639B1/de not_active Expired - Lifetime
- 2004-04-29 DE DE200450011549 patent/DE502004011549D1/de not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3408490A1 (de) * | 1984-03-08 | 1985-09-12 | Willibald 8000 München Hiemer | Zylinderblock einer wassergekuehlten hubkolben-brennkraftmaschine |
| DE3602616A1 (de) * | 1986-01-29 | 1986-09-18 | Dalibor 44801 Bochum Plesek | Verkuerzung der warmlaufphase bei fluessigkeitsgekuehlten verbrennungsmotoren |
| EP0647804A1 (de) * | 1993-10-12 | 1995-04-12 | Yamaha Hatsudoki Kabushiki Kaisha | Brennkraftmaschine |
| FR2745332A1 (fr) * | 1996-02-28 | 1997-08-29 | Renault | Dispositif de refroidissement pour moteur a combustion interne |
| DE19745585A1 (de) * | 1996-10-16 | 1998-04-30 | Avl List Gmbh | Brennkraftmaschine mit innerer Verbrennung |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015200103A1 (de) | 2014-01-27 | 2015-07-30 | Ford Global Technologies, Llc | Brennkraftmaschine mit flüssigkeitsgekühltem Zylinderkopf |
| DE102014201411A1 (de) * | 2014-01-27 | 2015-08-13 | Ford Global Technologies, Llc | Brennkraftmaschine mit gekühlter Turbine |
| US9784127B2 (en) | 2014-01-27 | 2017-10-10 | Ford Global Technologies, Llc | Internal combustion engine with cooled turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1591639B1 (de) | 2010-08-18 |
| DE502004011549D1 (de) | 2010-09-30 |
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