EP3183443A1 - Brennkraftmaschine - Google Patents
BrennkraftmaschineInfo
- Publication number
- EP3183443A1 EP3183443A1 EP15732535.8A EP15732535A EP3183443A1 EP 3183443 A1 EP3183443 A1 EP 3183443A1 EP 15732535 A EP15732535 A EP 15732535A EP 3183443 A1 EP3183443 A1 EP 3183443A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow chamber
- cylinder head
- fluid
- crankcase
- cylinder
- 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 abstract description 40
- 239000012530 fluid Substances 0.000 claims abstract description 155
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000002826 coolant Substances 0.000 description 11
- 239000000446 fuel Substances 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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
- F01P2003/028—Cooling cylinders and cylinder heads in series
Definitions
- the invention relates to an internal combustion engine with at least one
- Cylinder to which at least one inlet valve and at least one outlet valve are associated, and with a cylinder associated with the water jacket for cooling a crankcase and a cylinder head of
- the internal combustion engine serves, for example, to provide a
- Drive torque in particular for a motor vehicle. It has at least one cylinder in which a piston is arranged to be displaceable in the axial direction with respect to a longitudinal central axis of the cylinder.
- the piston closes with the cylinder or a cylinder wall one
- Combustion chamber in which during operation of the internal combustion engine fuel and an oxidizer, preferably oxygen, in particular
- the introduction of the oxidizer and / or a mixture of the fuel and the oxidizer takes place through the at least one inlet valve, which is assigned to the cylinder, in particular the combustion chamber for this purpose.
- the at least one exhaust valve is provided, which is likewise assigned to the cylinder, in particular the combustion chamber.
- the cylinder is at least partially in the crankcase. In particular, he will be in
- both the crankcase and the engine heat up Cylinder head.
- the water jacket is provided.
- a fluid in particular a coolant. This is conveyed through the water jacket, so that the fluid can absorb and dissipate heat from the crankcase and the cylinder head, in particular in the direction of a heat exchanger, in particular a main radiator of the internal combustion engine.
- coolant space includes coolant space and at least one lower coolant space.
- the upper coolant space and the lower coolant space are completely separated within the cylinder head.
- the prior art also shows the document DE 10 2010 041 860 A1.
- This describes a liquid-cooled cylinder head for an internal combustion engine, in which a coolant channel extends largely from an inlet side to an outlet side of the cylinder head.
- a second coolant channel is provided, which is arranged geodetically above or below the coolant channel, which extends substantially from the inlet side to the outlet side of the cylinder head, wherein the coolant channel and the second coolant channel of a geodesic between them
- Cylinder head flow chamber is arranged, and that the first
- Cylinder head flow chamber has at least one fluid inlet and at least a first fluid line with the first
- Crankcase flow chamber is connected via a second fluid line to the second cylinder head flow chamber, which is connected via a third fluid line to the second crankcase flow chamber, and wherein the second crankcase flow chamber has at least one fluid outlet.
- the water jacket has in this respect a plurality of flow chambers, namely the at least one first crankcase flow chamber, the at least one second crankcase flow chamber, the at least one first cylinder head flow chamber and the at least one second
- Circumferential direction - with respect to a longitudinal central axis of the cylinder - each area are the
- Crankcase flow chamber can follow a course of a
- Cylinder wall of the cylinder to be adapted, so in particular be curved in the circumferential direction with respect to the longitudinal central axis.
- Crankcase flow chamber for example, indicate
- At least two circumferentially spaced points the same distance from the cylinder wall and / or the longitudinal central axis. This applies particularly preferably for the entire extent of the respective flow chamber in the circumferential direction, but preferably at least over a proportion of at least 50%, at least 60%, at least 70%, at least 80%, at least 90% or at least 95%.
- Seen in the direction of the first crankcase flow chamber and the second crankcase flow chamber at least partially, preferably completely, be arranged overlapping, so at least partially present at the same axial position.
- Cylinder head flow chamber engage over the cylinder respectively, and are in the axial direction with respect to the longitudinal center axis of the cylinder Seen spaced from the cylinder or the combustion chamber.
- the (imaginary) longitudinal central axis of the cylinder extends through the first cylinder head flow chamber and / or the second cylinder head flow chamber.
- the cylinder head flow chambers are formed in the cylinder head or associated therewith.
- Cylinder head flow chamber is the cylinder or the
- the first cylinder head flow chamber is so far between the cylinder and the second
- the water jacket has the fluid inlet and the fluid outlet.
- the fluid inlet is assigned to the first cylinder head flow chamber or opens into it. On his the first
- the fluid outlet is the second
- Crankcase flow chamber associated with or connected to this. Preferably lies on the second
- Crankcase flow chamber away from the side of the fluid outlet also a fluid channel before, which is designed as a Fluidab conveykanal.
- This fluid channel can also at least partially in the
- crankcase be formed.
- Cylinder head flow chambers are now fluidly connected to one another by means of a plurality of fluid lines. So lies between the first
- the first fluid line preferably opens out of the first cylinder-head flow chamber on a side of the first cylinder-head flow chamber facing away from the fluid inlet.
- the first crankcase flow chamber is in turn connected to the second cylinder head flow chamber via the second fluid line.
- the second fluid conduit preferably empties from the first crankcase flow chamber at a distance from an opening of the first fluid conduit into the first crankcase flow chamber.
- the second cylinder head flow chamber is finally connected via the third fluid line to the second crankcase flow chamber, wherein the third fluid line preferably spaced from a
- Cylinder head flow chamber opens, in particular opposite. As already explained above, the second one has
- the third fluid line opens at a distance from the fluid outlet into the second one
- Crankcase flow chamber for example, opposite one another.
- Cylinder head flow chamber passed, from which it into the second Crankcase flow chamber continues to flow. From this it finally comes out of the water jacket through the fluid outlet. At least along a main flow path of the fluid through the
- the first cylinder head flow chamber preferably at least 50%, at least 60%, at least 70%, at least 80%, at least 90%, or at least 95% of the fluid flows are the first cylinder head flow chamber and the second
- Cylinder head flow chamber fluidly serially, so in series, switched. Accordingly lie in the two
- Cylinder head flow chambers in comparison to a parallel connection of the two chambers before very high flow velocities, because the fluid is not or at most slightly divided. This means that in the two cylinder head flow chambers a high
- first crankcase flow chamber is flow-connected to the second crankcase flow chamber via a connecting line.
- first crankcase flow chamber is not merely the second cylinder head flow chamber with the second
- the fluid inlet has a plurality of fluid inlet lines, wherein in each case two of the fluid inlet lines are arranged on both sides of the third fluid line.
- the first cylinder head flow chamber is thus not only supplied with fluid via a single fluid inlet line, it being understood that this may also be provided. Rather, the plurality of fluid inlet lines should preferably be present, which open in particular opposite the first fluid line into the first cylinder head flow chamber.
- the fluid inlet lines are now arranged such that two of them in each case receive the third fluid line between them. Below that is
- an imaginary plane intersects at least two of the fluid inlet lines and the third fluid line.
- the imaginary plane takes both an area of
- a development of the invention provides that at least two first fluid lines and / or at least two second fluid lines are provided.
- the above-described first fluid line is so far not available as the only first fluid line, which of course may also be the case.
- Fluid line In the exemplary embodiment described here, there should be at least two first fluid lines, at least two second fluid lines, or both two first fluid lines and two second fluid lines. With such a configuration, a symmetrical
- a preferred further embodiment of the invention provides that the second fluid lines are arranged between the first fluid lines. This is to be understood in particular that an imaginary plane, the second fluid lines and the first fluid lines at least
- the longitudinal center axes of the second fluid lines and the longitudinal center axes of the first fluid lines are each at least
- the second fluid lines and the first fluid lines are arranged mirror-symmetrically relative to one another with respect to a further imaginary plane, so that the two first fluid lines each have the same distance from the further imaginary plane. This is preferably also the case for the second fluid lines.
- Crankcase flow chamber opens. Basically, two different embodiments can be realized in this respect, with other more are of course possible.
- the first fluid line opens into that side of the first
- the first fluid conduit initially passes around the first crankcase flow chamber to subsequently open into it from the side remote from the cylinder head.
- the first fluid line opens into the first crankcase flow chamber on the same side as the second one Fluid line.
- the opposite is the case, so that therefore opens the first fluid line on the opposite side of the mouth of the second fluid line in the first crankcase flow chamber.
- a development of the invention provides that the second fluid line of a cylinder head facing side of the first
- Cylinder head flow chamber at least one vent line
- the two cylinder head flow chambers are in this respect not flow-connected exclusively via the first crankcase flow chamber, whereby the main flow path continues to run therethrough. In this respect, only a small part of the fluid passing through the fluid inlet into the water jacket can pass from the first cylinder head flow chamber into the second through the vent line
- Cylinder head flow chamber preferably at most 25%, at most 20%, at most 15%, at most 10%, at most 5%, at most 2.5% or at most 1%.
- vent line opens with respect to the first
- Cylinder head flow chamber opposite to the first fluid line from the first cylinder head flow chamber.
- a longitudinal center axis of the vent line coincides with a longitudinal central axis of the first fluid line.
- Vent line is significantly smaller than the flow area of the first fluid line according to the foregoing. It is preferably at most 1%, at most 2.5%, at most 5%, at most 10%, at most 15%, at most 20% or at most 25% of the flow cross-section of the first fluid line. There may be only a single vent line, even if several first
- Fluid lines are present. Preferably, however, each is first
- Fluid line associated with a separate vent line so far as the number of vent lines the number of first fluid lines preferably corresponds.
- Ring cooling channel is provided, on the one hand to the first
- the annular cooling channel is preferably in the form of a circular channel, particularly preferably as a closed circular channel.
- Ring cooling channel extends at least partially around the inlet valve or the exhaust valve around.
- Exhaust valve is associated with such a ring cooling channel and the
- the annular cooling channel is fluidically connected on the one hand to the first cylinder head flow chamber and the other to the second fluid line. Due to the special design with the essentially serial flow through the two
- Cylinder head flow chambers are between the first
- Cylinder head flow chamber and the second fluid line is a high pressure difference, so that an efficient flow through the
- the first cylinder head flow chamber is so far essentially provided for cooling the intake valve and / or the exhaust valve, while the second cylinder head flow chamber a
- the first cylinder head flow chamber is configured such that it completely surrounds the inlet valve or the outlet valve, particularly preferably both separately in the circumferential direction.
- the second cylinder flow chamber and the at least one line can be the case for the second cylinder flow chamber and the at least one line.
- FIG. 1 shows a schematic representation of an internal combustion engine with a water jacket for cooling a crankcase and a cylinder head
- FIG. 2 shows an overall representation of the water jacket
- FIG. 3 shows a first cylinder head flow chamber of the water jacket, a first crankcase flow chamber of the water jacket in a first embodiment
- Figure 5 shows a second embodiment of the first
- FIG. 7 shows a view of the water jacket in the direction of a water jacket
- FIG. 1 shows a schematic representation of an internal combustion engine 1 with at least one cylinder 2, which is merely indicated here.
- the internal combustion engine 1 has a cylinder 2 associated
- the cylinder 2 is characterized by a longitudinal central axis 6, which points in the direction of its greatest longitudinal extent.
- the cylinder 2 is preferably configured cylindrically with respect to the longitudinal central axis 6.
- the water jacket 3 has a plurality of flow chambers, namely a first cylinder head flow chamber 7, a first
- Flow chamber 1 which is present for example as a ring cooling channel, and / or a web flow chamber 12, which is arranged at least partially between two cylinders 2, are present. Both the
- flow chamber 11 and the web flow chamber 12 are optional.
- the first cylinder head flow chamber 7 has a fluid inlet 13, via which the first cylinder head flow chamber 7 to a
- Fluid channel 14 is connected. From the first Cylinder head flow chamber 7 assumes a first fluid line 15, which opens into the first crankcase flow chamber 8. This is fluidly connected via a second fluid line 16 with the second cylinder head flow chamber 9, from which in turn emanates a third fluid line 17, which opens into the second crankcase flow chamber 10. The latter also has a fluid outlet 18, via which the second crankcase flow chamber 10 is connected to a fluid channel 19. Both the fluid channel 14 and the fluid channel 19 may be formed at least partially in the crankcase.
- the flow chamber 11 is connected on the one hand to the first cylinder head flow chamber 7 and on the other hand to the second fluid line 16.
- the flow chamber 11 is used in particular for cooling an inlet valve and / or an outlet valve of the
- the web flow chamber 2 is flow-connected on the one hand to the first fluid line 15 and on the other hand to the third fluid line 17. It is provided in each case that the
- Crankcase flow chamber 10 is small, so that along the
- Flow path is the main flow path for a fluid which is supplied through the fluid inlet 13 to the water jacket 3.
- the fluid inlet 13 has a plurality of fluid inlet line 21, through which the water jacket 3 in the direction of the arrows 22, a fluid,
- the fluid inlet lines 21 are preferably arranged on both sides of the third fluid line 17. Through the fluid inlet lines 21, the fluid can flow into the first cylinder head flow chamber 7 and this in the direction of
- Crankcase flow chamber 10 is fluidly connected.
- the web flow chamber 12 lies in the connecting line
- FIG. 3 shows a detailed view of the first cylinder-head flow chamber 7. It is clear that these are designed in such a way that they have openings
- a further opening 30 is formed for a cylinder 2 associated spark plug.
- FIG. 4 shows a representation of the crankcase flow chambers 8 and 10 in a first embodiment.
- two second fluid lines 16 are present analogously to the first two fluid lines 15.
- the first fluid lines 15 open on the same side in the first
- FIG. 5 shows the crankcase flow chambers 8 and 10 in a second embodiment. Reference is made to the above statements regarding the first embodiment. The only difference to this is that the first fluid lines 15 open on one side in the first crankcase flow chamber 8, which faces away from the side relative to the first crankcase flow chamber 8, on which the second fluid lines 16 from this.
- FIG. 6 shows the second cylinder head flow chamber 9 in a detailed view. Attention is drawn to the above statements.
- FIG. 7 shows a view of the water jacket 3 in the direction of
- Flow chambers 11 are provided, which are each designed as a ring cooling channel.
- the flow chambers 1 each surround a valve of the internal combustion engine 1, for example, either the intake valves or the exhaust valves.
- each of the valves of the cylinder 2 may be associated with such a flow chamber 11.
- Flow chamber 11 is fluidly connected to the first cylinder head flow chamber 7 via a first connecting line 31 and to the second fluid line 16 via a second connecting line 32.
- first connecting line 31 a first connecting line
- second connecting line 32 a second connecting line
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
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014012503.3A DE102014012503B4 (de) | 2014-08-22 | 2014-08-22 | Brennkraftmaschine mit Wassermantel zur Kühlung eines Kurbelgehäuses und eines Zylinderkopfs |
PCT/EP2015/001322 WO2016026545A1 (de) | 2014-08-22 | 2015-07-01 | Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3183443A1 true EP3183443A1 (de) | 2017-06-28 |
EP3183443B1 EP3183443B1 (de) | 2018-03-28 |
Family
ID=53496624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15732535.8A Active EP3183443B1 (de) | 2014-08-22 | 2015-07-01 | Brennkraftmaschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3183443B1 (de) |
CN (1) | CN106661995B (de) |
DE (1) | DE102014012503B4 (de) |
WO (1) | WO2016026545A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11022020B2 (en) * | 2018-09-18 | 2021-06-01 | Deere & Company | Cylinder head with improved valve bridge cooling |
WO2022245329A1 (en) * | 2021-05-17 | 2022-11-24 | Cummins Inc. | Cylinder head for internal combustion engine |
CN114991983A (zh) | 2021-03-01 | 2022-09-02 | 比亚迪股份有限公司 | 发动机和车辆 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6170120A (ja) * | 1984-09-13 | 1986-04-10 | Mitsubishi Heavy Ind Ltd | 内燃機関の冷却システム |
FR2660967B1 (fr) * | 1990-04-11 | 1992-08-14 | Peugeot | Moteur a combustion interne a circuit de refroidissement perfectionne. |
JP3885259B2 (ja) * | 1996-09-30 | 2007-02-21 | マツダ株式会社 | エンジンの冷却装置 |
DE19803885B4 (de) * | 1998-01-31 | 2013-02-07 | Bayerische Motoren Werke Aktiengesellschaft | Kühlkreisanordnung für eine flüssigkeitsgekühlte Brennkraftmaschine |
FR2848248B1 (fr) * | 2002-12-06 | 2006-08-04 | Renault Sa | Circuit de refroidissement de moteur a combustion interne |
AT503182B1 (de) * | 2007-04-05 | 2008-10-15 | Avl List Gmbh | Flüssigkeitsgekühlte brennkraftmaschine |
FR2916233B1 (fr) * | 2007-05-14 | 2009-07-03 | Renault Sas | Moteur de vehicule automobile comportant un circuit de refroidissement innovant |
DE102009008237B4 (de) | 2009-02-10 | 2021-01-21 | Audi Ag | Brennkraftmaschine mit getrennten Kühlmittelräumen im Zylinderkopf |
DE102010041862B4 (de) | 2009-10-02 | 2019-08-14 | Thermo King Corporation | Riemenantriebssystemanordnung und Spannvorrichtung |
US8584628B2 (en) * | 2010-07-14 | 2013-11-19 | Ford Global Technologies, Llc | Engine with cylinder head cooling |
DE102010041869A1 (de) * | 2010-10-01 | 2012-04-05 | Bayerische Motoren Werke Aktiengesellschaft | Flüssigkeitsgekühlter Zylinderkopf |
WO2012081113A1 (ja) * | 2010-12-16 | 2012-06-21 | トヨタ自動車株式会社 | エンジンの冷却構造 |
CN103775233B (zh) * | 2012-10-19 | 2016-09-07 | 本田技研工业株式会社 | 气缸盖的水套结构 |
-
2014
- 2014-08-22 DE DE102014012503.3A patent/DE102014012503B4/de not_active Withdrawn - After Issue
-
2015
- 2015-07-01 CN CN201580044894.7A patent/CN106661995B/zh active Active
- 2015-07-01 EP EP15732535.8A patent/EP3183443B1/de active Active
- 2015-07-01 WO PCT/EP2015/001322 patent/WO2016026545A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN106661995A (zh) | 2017-05-10 |
CN106661995B (zh) | 2018-05-18 |
DE102014012503A1 (de) | 2016-02-25 |
EP3183443B1 (de) | 2018-03-28 |
WO2016026545A1 (de) | 2016-02-25 |
DE102014012503B4 (de) | 2017-07-13 |
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