WO2020107052A1 - Moteur à combustion interne comprenant une chemise à liquide de refroidissement - Google Patents

Moteur à combustion interne comprenant une chemise à liquide de refroidissement Download PDF

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Publication number
WO2020107052A1
WO2020107052A1 PCT/AT2019/060409 AT2019060409W WO2020107052A1 WO 2020107052 A1 WO2020107052 A1 WO 2020107052A1 AT 2019060409 W AT2019060409 W AT 2019060409W WO 2020107052 A1 WO2020107052 A1 WO 2020107052A1
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WO
WIPO (PCT)
Prior art keywords
coolant
jacket
internal combustion
combustion engine
section
Prior art date
Application number
PCT/AT2019/060409
Other languages
German (de)
English (en)
Inventor
Robert Berger
Gerd Blaindorfer
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 CN201990001303.1U priority Critical patent/CN216278185U/zh
Publication of WO2020107052A1 publication Critical patent/WO2020107052A1/fr

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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
    • F02F1/14—Cylinders 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
    • 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
    • F01P2003/021—Cooling cylinders

Definitions

  • the invention relates to an internal combustion engine with a coolant jacket which at least partially surrounds a cylinder arrangement between a cylinder head sealing plane and a crank chamber with at least two cylinders arranged side by side and is divided by a separation into a crank chamber-distant first jacket section and a second chamber section near the crank chamber, wherein the separation is formed by an insert element which is inserted into the coolant jacket, the insert element having a first leg and a second leg which extends at an angle with respect to the first leg.
  • DE 33 109 57 Al discloses a cylinder block with a water jacket, a partition wall sectioning the water jacket into an upper bore and a lower bore section.
  • the dividing wall rises continuously (i.e. runs obliquely in relation to a cylinder head sealing plane) and has openings via which the upper bore section is coupled to the lower bore section.
  • the production of a partition wall shaped in this way in the water jacket is complex and costly.
  • the connection between the upper and lower bore section causes uncontrolled flow crossings and prevents optimal cooling of the internal combustion engine that is tailored to the spatial requirements.
  • AT 15665 Ul discloses a cooling structure for an internal combustion engine with a coolant jacket around a cylinder arrangement, the coolant jacket being divided into an upper jacket section and a lower jacket section by a separation.
  • the partition is formed by a flat insert element which is inserted into the coolant jacket and rests on a circumferential shoulder between the lower and the upper jacket section.
  • a similar separation between a lower and an upper jacket section of a coolant jacket is known from the publication JP H 11294 254 A.
  • the publications JP 2018 105276 A, JP 2018 105275 A and EP 3279456 Al of fenbaren each have an insert element with a Y-shaped cross section for a cooling liquid jacket of an internal combustion engine, the insert element having a first leg and an angle relative to the first leg has inclined second leg.
  • the insert element separating an upper first jacket section from a lower second jacket section of the coolant liquid jacket has a circumferential web which supports the insert element on the bottom of the coolant jacket.
  • JP 2011 106388 A shows a further insert element with a complex geometry for the water jacket of a cylinder block, which separates an upper coolant space from a lower coolant space.
  • WO 2008/010584 Al, US 7,032,547 A and EP 3 239 507 Al each show a separation between a lower and an upper jacket section, which is supported by spacers on the bottom of the coolant jacket.
  • EP3239508 A1 discloses a spacer which is arranged between the walls of the coolant jacket by means of rubber elements.
  • WO 08/016127 A1 shows a partition element for a coolant jacket with a flexible lip element for sealing on an inner wall of the coolant jacket.
  • the object of the invention is therefore to provide an internal combustion engine with améflüs liquid jacket, which is easy to manufacture, and flows can be avoided with the leakage.
  • This object is achieved according to the invention with an internal combustion engine mentioned in the introduction in that in the first jacket section and / or in the second jacket section along the circumference at least one coolant lock is provided, the coolant lock separating two areas of a jacket section from one another, and preferably this Insert element has a substantially V-shaped cross section. Due to the coolant lock, short-circuit flows can be avoided and the coolant can flow around all cylinders if possible. Two regions of the first jacket section are advantageously separated from one another.
  • “Scope” is to be understood here as the scope of the coolant jacket, which at least partially extends around the cylinder arrangement. In other words, at least one coolant lock is provided along the course of the coolant jacket around the cylinder arrangement.
  • a defined cooling circuit can be created within a jacket section.
  • the coolant barrier (for example in the first or second jacket section) can be arranged between the inlet opening and the outlet opening for the cooling liquid in order to cause a (one-time) flow around the cylinder arrangement before the coolant leaves the jacket section again.
  • At least one coolant lock is arranged in the area of the coolant transfer, preferably directly adjacent to the coolant transfer.
  • a particularly good flow around all cylinders can be achieved if the cooling liquid inlet opens into the first jacket section on a first side of the coolant barrier facing away from the coolant transition, the coolant inlet advantageously being arranged directly adjacent to the coolant speed barrier on the first side of the coolant block.
  • the coolant transfer is expediently arranged on a second side of the coolant block facing away from the first side, preferably directly adjacent to the coolant block.
  • the coolant lock is formed by a partition element, which is preferably essentially parallel to the cylinder axis and / or extends over the entire height of the first jacket section.
  • the partition element is formed in one piece with the insert element, the partition element preferably being designed as a region of the insert element that is bent or bent by a bending process.
  • the measure according to the invention makes it possible to carry out the separation in the cooling liquid jacket only subsequently, that is to say after the cast part has been produced, by inserting the insert element.
  • the legs which are inclined with respect to one another have a clamping effect against opposing walls of the coolant jacket.
  • V-shaped cross-section jamming of the insert element is made possible, so that no further precautions for assembly are necessary.
  • V-shaped is understood in the context of the present invention to mean an essentially angular transition between the first and second leg, which can also have a rounding due to the production. A version with a U-shaped cross section in the broadest sense is therefore also possible.
  • An “upper” first jacket section is formed away from the crankcase or near the fire deck.
  • a “lower” second jacket section is arranged near the crankcase or away from the fire deck.
  • the first jacket section serves to cool the hot upper cylinder area, which is adjacent to the fire deck, and the second jacket section, for cooling the cooler lower cylinder area, which adjoins the crankcase.
  • coolant jacket is to be understood as the volume in which the coolant (in particular water, if appropriate with suitable additives) is located or in which it circulates during operation.
  • the coolant jacket is formed as a cavity, which surrounds the cylinder arrangement, in a cast part or block.
  • the insert element is preferably made in one piece and - preferably with the exception of the coolant transfer - has a closed (ring or "multi-ring") contour. The contour advantageously follows the course of the cylinder walls.
  • the coolant or Wasserman tel formed for example in the cylinder block is thus divided by the insert element into a lower and an upper area.
  • the coolant jacket can thus be formed in a one-piece cast core (cylinder block) as an "open deck" configuration.
  • the insert element takes on the function of a partition or a panel. From the separation, two coolant spaces can preferably be formed with different temperature levels. With the insert element according to the invention, separate cooling strategies for the first and second sections of the tel can thus be implemented very easily. Different temperature levels can be achieved in the cylinder head and in the cylinder block.
  • the two jacket sections are loaded by different temperature circuits at all.
  • the lower second jacket section and at least part of the upper first jacket section are formed in a preferably one-piece casting. This highlights the advantage of the insert particularly well.
  • the lower jacket section and at least part of the upper jacket section are formed in a cylinder block.
  • the cross section of the insert element is preferably convex with respect to the second jacket section or concave with respect to the first jacket section. This means that the two legs of the insert element open upwards.
  • the open side of the V-shaped cross section faces the fire deck or the cylinder head sealing plane, while the closed side or the tip of the "V" forming the cross section points in the direction of the crank chamber.
  • An embodiment variant of the invention provides that the first leg and the second leg span an angle between approximately 60 ° and 120 ° - preferably approximately 90 °. This enables the insertion element to be inserted into the coolant jacket from the side of the open fire deck or from the side of the cylinder head sealing plane.
  • a reference plane of the insert element formed by the intersection of the first and second legs is formed normally for the axial extension of the cylinders of the cylinder arrangement.
  • the reference plane defined by the insert element is oriented perpendicular to a longitudinal axis of the cylinder. Since the height of the respective jacket section remains constant along the entire order, whereby the temperature gradients running in the axial direction are taken into account and uniform heat dissipation is achieved by the coolant flowing in particular in the first jacket section remote from the crank space.
  • the coolant jacket preferably has at least one coolant inlet and at least one coolant outlet, the first jacket section having the coolant inlet, preferably adjacent to or in the region of a cylinder head sealing plane of the internal combustion engine and / or the second jacket section having the coolant outlet. This allows the coolant to be directed to the area near the cylinder head with the higher thermal load and then to the part that is close to the crankcase, which requires less cooling.
  • first jacket section and the second jacket section are connected to one another in terms of flow via a coolant transfer, which is preferably formed by the insert element.
  • the first jacket section can have the coolant inlet, which is preferably in the area of the cylinder head sealing plane - that is, close to the fire deck or adjacent to the fire deck - of the internal combustion engine is arranged.
  • the second jacket section advantageously has a coolant outlet which is arranged in the region of a narrow side of the cylinder. The coolant enters the first jacket section via the coolant, flows through the coolant transfer in the insert element into the second jacket section and leaves the second jacket section through the coolant outlet.
  • a Coolant enters the coolant jacket in the area of the first outer cylinder and a coolant outlet emerges from the coolant jacket in the area of the second outer cylinder.
  • the insert element is preferably made of a material with at least one of the following properties: non-metallic material; Material with an insulating effect that thermally insulates the first jacket section from the second jacket section; elastic material, in particular spring steel or plastic or a composite material.
  • the insert element can therefore also be made of a different material than the cast part forming the cylinder block.
  • the insertion element consists of an elastic material, for example spring steel or sheet metal.
  • a composite material that is to say steel and rubber or plastic and rubber, can also advantageously be used, it being possible, for example, for the composite materials to be arranged in layers.
  • the insert element is formed from a - for example non-metallic - material with low thermal conductivity (or low thermal conductivity coefficient) than the cylinder block, so that the insert element not only seals the upper and lower casing sections against each other but also thermally insulated from each other.
  • the insert element can be made of plastic or also of ceramic - for example of an elastic ceramic based on a titanium carbide compound.
  • the insert element can rest or be constrained in the coolant jacket on or between corresponding structures.
  • the insert element could be fixed or forced between the walls of the coolant jacket.
  • the insert element can be glued to a structure.
  • the insert element can also be exchangeable.
  • An embodiment variant of the invention provides that at least one support element is arranged in the second jacket section, on which the insert element lies, or which is firmly connected to the insert element.
  • the support element can be formed in one piece with the insert element.
  • the insert element is supported in the second jacket section - for example on the bottom of the second jacket section - via the support element.
  • a coolant jacket is cast in the cylinder block, which has a narrower diameter in a region facing away from the cylinder head than near the cylinder head, so that at the transition between these diameters result in a paragraph.
  • the transition between the area facing away from the cylinder head and the area close to the cylinder head is preferably designed as a preferably circumferential shoulder.
  • the insert element (screen or partition) is inserted, which spatially divides the coolant jacket of the cylinder block into an upper first and a lower second jacket section.
  • the insert element thus lies at least partially on the heel.
  • the shoulder may be integrally formed in the casting or cylinder block in which the coolant jacket is formed. No further structures or measures are required here for the support or positioning of the insert element.
  • the cross section of the second jacket section is advantageously smaller than the cross section of the first jacket section. If the transition between the lower and upper jacket section is abrupt and not running, a paragraph for the placement of the insert element automatically results.
  • the insert element not only divides the first and the second jacket section spatially, but also completely hydraulically separates them from one another, the insert element sealingly abutting the walls of the coolant jacket of the cylinder block.
  • the first jacket section is in this embodiment compared to the lower jacket section completely sealed.
  • the first jacket section and the second jacket section can each have a separate coolant inlet and / or coolant outlet. This enables areas of the cylinder block or cylinder head to be cooled independently of one another and to different degrees.
  • the first jacket section and the second jacket section can thus be charged separately with cooling water, which can originate from a common pump or from ge pumps.
  • the coolant can, for example, be sent further into the cylinder head on the inlet side, from there it can get back into the cylinder block on the outlet side and leave the cooling jacket through an outlet opening.
  • the lower, second jacket section is charged separately:
  • the coolant either flows in on one side and out on the opposite side, or the inlet and outlet openings are arranged next to one another, but a liquid barrier is provided in between, so that the coolant flows once after being supplied flows around the cylinder assembly and then runs again.
  • Other inlet and outlet solutions are also possible without restricting the inventive function.
  • two divided temperature levels or a divided cooling circuit - in a one-piece cast cylinder block but divided by the aperture-shaped insert element - can be achieved in a simple and inexpensive manner.
  • the coolant liquid jacket is designed in an open configuration on the cylinder head side.
  • the cylinder block and the coolant jacket executed in it are designed to be open on the side facing a cylinder head sealing plane and are therefore closed by the cylinder head gasket or the cylinder head when used as intended.
  • the upper first jacket section thus faces the cylinder head. Thanks to the open configuration, the insert can also be inserted without any problems. This can be done, for example, from above or from the side of the cylinder head before it is installed.
  • the upper jacket section can pass into a cooling volume formed in the cylinder head.
  • Show in it 1 shows a cylinder block of an internal combustion engine according to the invention in an axonometric representation
  • Figure 2 shows the cylinder block in a longitudinal section through a cylinder.
  • FIG. 3 shows an insertion element of the cooling structure of the cylinder head in an axonometric representation
  • Figure 5 shows the cylinder block in a section along the line V - V in Fig. 4.
  • Figure 6 shows the cylinder block in a section along the line VI - VI in Fig. 4.
  • Fig. 7 shows the cylinder block in a section along the line VII - VII in
  • Fig. 8 shows the cylinder block in a section along the line VIII - VIII in
  • Fig. 1 shows a cylinder block 1 of an internal combustion engine 2 with a cylinder arrangement 3 with a plurality of cylinders 4 arranged in series, the cylinder block 1 having a cooling structure 5 with a coolant jacket 6.
  • the cylinder block 1 may be integrally formed with a crank chamber 7 forming a bel housing 8 or be formed separately.
  • the coolant jacket 6 surrounds the cylinder 4 and is divided by a partition 9 into an upper first jacket section 10 and a lower second jacket section 11.
  • the partition 9 is formed by an insertion element 90 which is inserted into the cooling liquid jacket 6.
  • the coolant jacket 6 is formed in the embodiment shown in a cylinder head side, ie to a cylinder head sealing plane 12, open configuration ("open deck”) and cast together with the cylinder block 1.
  • the insert element 90 spatially separates the first jacket section 10 from the second jacket section 11, as shown in FIG. 2.
  • the insert element 90 has a V-shaped cross section with a first leg 91 and a second leg 92 angled therefrom, the first leg 91 and the second leg 92 - in the installed state - an angle ⁇ between approximately 60 ° and 120 ° - preferably span about 90 °.
  • the first leg 91 thus extends at an angle ⁇ relative to the second leg 92.
  • the extension of the insert element 90 in a radial direction with respect to the cylinder arrangement 3 is greater than in the installed state, so that there is a clamping effect against opposite walls of the Coolant jacket 6 results.
  • the insert element 90 can thus be mounted in the coolant jacket 6 simply and without special tools.
  • the insert element 90 is inserted into the coolant jacket 6, which is open at the top - that is, toward the cylinder head gasket plane 12 - such that the convex side - in particular an outer edge formed by the intersection of the two legs - faces the crank chamber.
  • the outer edge 93 of the insert element 90 is formed by the intersection of the two legs 91, 92.
  • a reference plane e of the insert element 90, which extends through the outer edge 93, is positioned essentially normal to the cylinder axis 4a.
  • the distance a (see FIG. 3) between the end edges 91a, 92a of the two legs 91, 92 of the insert element 90 in the disassembled state, that is to say not yet inserted into the coolant jacket 6, is somewhat larger than the greatest width b of the coolant jacket 6 (see Fig. 2), measured between two mutually facing walls 6a, 6b of the coolant jacket 6.
  • the coolant jacket 6 is out over its entire circumference and over its entire height with approximately the same width b.
  • the end edges 91a, 92a of the first leg 91 and the second leg 92 are elastically pressed against the walls 6a, 6b of the coolant jacket 6, whereby on the one hand the insert element 90 is elastically clamped between the walls 6a, 6b and is fixed. On the other hand, the end edges 91a, 92a elastically pressed against walls 6a, 6b separate and seal the first jacket section 10 from the second jacket section 11.
  • the insert element 90 is preferably made of an elastic material, for example of a non-metallic material or a material with low thermal conductivity , preferably plastic or ceramic, formed.
  • the insert member 90 is not closed in the circumferential direction, but has a coolant transfer 94, which - in the installed state - fluidly connects the first jacket section 10 of the cooling liquid jacket 6 to the second jacket section 11.
  • the coolant transfer 94 is formed by a recess in the insert element 90 or - as can be seen in FIG. 3 - by a bent section 95 of the insert element 90.
  • the bent section 95 thus forms a normal to the reference plane e upward - that is, parallel to the cylinder axis 4a in the direction of the cylinder head sealing plane 12 - dividing wall element 97, which functions as a coolant lock 96, which separates two regions of the first Mantelab section 10 from each other.
  • the partition element 97 extends before given over the entire height 10 a of the first jacket section 10.
  • the cooling structure 5 has a coolant inlet 13 and a coolant outlet 14, which are formed in the cylinder block 1.
  • the coolant inlet 13 opens into the first jacket section 10 in the region of the cylinder head plane 12 and is arranged, for example, on a longitudinal side 1 a of the cylinder block 1 in the region of a first outer cylinder 41. This enables a rather compact configuration.
  • the coolant outlet 14 starts from the second jacket section 11 and is arranged in the region of a second outer cylinder 42, for example on a narrow side lb of the cylinder block 1. Coordinating the arrangements of the coolant inlet 13 and the coolant outlet 14 ensures that the cylinders 4 flow around as completely as possible and thus optimal heat dissipation.
  • the coolant inlet 13 opens into the first jacket section 10 on a first side 15 of the coolant lock 96 facing away from the coolant transfer 94, the coolant inlet 13 being arranged directly adjacent to the coolant lock 96 on the first side 15 of the coolant lock 96 is.
  • the coolant transfer 94 is arranged on a second side 16 of the coolant lock 96 facing away from the first side 15, directly adjacent to it.
  • a circumferential shoulder 99 is formed in the transition region between the first jacket section 10 and the second jacket section 11, on which the insert element 90 rests or rests.
  • the heel 99 can arise in that the cross section of the second jacket section 11 is smaller than the cross section of the first jacket section 10.
  • At least one or more support elements are arranged in the second jacket section 11, on which the insert element 90 lies, or which is firmly connected to the insert element 90.
  • the insert element 90 can be positioned in the correct position in the cooling liquid jacket 6 during assembly, since the support elements 98 are supported on the crank-side floor of the cooling liquid jacket 6.
  • the coolant flows according to the arrows S through the coolant inlet 13 into the upper first jacket section 10.
  • a short-circuit flow to the coolant transfer 94 is prevented by the coolant lock 96.
  • the coolant therefore flows according to the arrows S while flowing around all Zy cylinder 4 of the cylinder arrangement 3 in the circumferential direction along the first Mantelab section 10 to the coolant transfer 94 and further into the lower second jacket section 11 of the coolant jacket 6 (see Fig. 6).
  • the Coolant flow on, as indicated in Fig. 8 by the arrows S a portion on the short path and another on the long way in the second Mantelab section 11 flows around the cylinder 4 of the cylinder assembly 3 and the second jacket section 11 through the coolant outlet 14th leaves.
  • the entry of the coolant into the first jacket section 10 thus takes place near the cylinder head sealing plane 12 or near the hot zones of the cylinders 4, the exit in the lower second jacket section 11.
  • This has the advantage that the coolant at a relatively low temperature in the particularly hot ones Areas of the cylinder assembly 3 can still absorb a lot of heat and only then flows through the cooler or less critical areas.
  • the arrangements of the coolant inlet 13, the coolant outlet 14 and the coolant outlet 94 are coordinated in such a way that the inflow, transfer and exit of the coolant take place after the flow around the cylinders 4 is as complete as possible; ideally, the coolant inlet 13 and the coolant outlet 14 are arranged opposite one another in order to achieve a maximum flow.
  • a defined flow direction is predetermined by the coolant lock 96 through the partition element 97 integrated in the insert element 90.
  • the arrangement of the partition wall element 97 directly next to the coolant inlet 13 prevents quiet zones from forming in which the coolant stagnates. Because the coolant transfer 94 is provided in the second jacket section 11 directly next to the partition element 10, the coolant is forced to flow around the cylinders 4 completely, so that the best possible heat dissipation without pressure loss or without formation of stagnation zones is made possible.
  • the transition into the second jacket section 11 thus takes place approximately in the area of the coolant inlet 13 and thus practically opposite the coolant outlet 14, so that a practically complete flow around the cylinders 4 is also effected in the second jacket section 11.
  • the provision of the partition wall element 97 which is normal to the reference plane e enables a particularly simple manufacture of the coolant lock 96, since the insert element 90 is simply cut open and bent at one point.

Abstract

L'invention concerne un moteur à combustion interne (2) pourvu d'une chemise à liquide de refroidissement (6), qui entoure au moins en partie un ensemble (3) de cylindres, lequel ensemble est disposé entre un plan d'étanchéité de culasse (12) et une chambre de vilebrequin (7) et est pourvu d'au moins deux cylindres (4) juxtaposés, et qui est divisée par une séparation (9) en une première partie (10) de chemise éloignée de la chambre de vilebrequin et en une deuxième partie (11) de chemise proche de la chambre de vilebrequin, la séparation (9) étant formée par un élément d'insertion (90), qui est inséré dans la chemise à liquide de refroidissement (6), l'élément d'insertion (90) présentant une première branche (91) et une deuxième branche (92) s'étendant à un angle par rapport à la première branche (91). L'objet de l'invention est de mettre au point une structure de refroidissement (5) qui est simple à fabriquer et au moyen de laquelle des écoulements de fuite peuvent être évités. À cet effet, selon l'invention, au moins une barrière (96) au liquide de refroidissement est située dans la première partie (10) de la chemise et/ou dans la deuxième partie (11) de la chemise le long de la périphérie, la barrière (96) au liquide de refroidissement séparant deux zones d'une partie (10, 11) de la chemise l'une de l'autre, et de préférence l'élément d'insertion (90) présentant une section transversale sensiblement en forme de V.
PCT/AT2019/060409 2018-11-30 2019-12-02 Moteur à combustion interne comprenant une chemise à liquide de refroidissement WO2020107052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201990001303.1U CN216278185U (zh) 2018-11-30 2019-12-02 内燃机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51064/2018A AT521945B1 (de) 2018-11-30 2018-11-30 Brennkraftmaschine mit einem Kühlflüssigkeitsmantel
ATA51064/2018 2018-11-30

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Publication Number Publication Date
WO2020107052A1 true WO2020107052A1 (fr) 2020-06-04

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AT (1) AT521945B1 (fr)
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CN111894754A (zh) * 2020-07-20 2020-11-06 东风商用车有限公司 一种逆流式柴油发动机的冷却装置
US11719183B2 (en) 2021-11-09 2023-08-08 Ford Global Technologies, Llc Methods and systems for cooling arrangement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT525164B1 (de) 2021-10-21 2023-01-15 Avl List Gmbh Brennkraftmaschine mit einem zylinderblock

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