EP4264759A1 - Zündvorrichtung mit einer versatzfrei drehbar mit einer zündquelle gekoppelten vorkammer, verbrennungskraftmaschine mit einer zündvorrichtung und kraftfahrzeug mit einer verbrennungskraftmaschine - Google Patents
Zündvorrichtung mit einer versatzfrei drehbar mit einer zündquelle gekoppelten vorkammer, verbrennungskraftmaschine mit einer zündvorrichtung und kraftfahrzeug mit einer verbrennungskraftmaschineInfo
- Publication number
- EP4264759A1 EP4264759A1 EP21819366.2A EP21819366A EP4264759A1 EP 4264759 A1 EP4264759 A1 EP 4264759A1 EP 21819366 A EP21819366 A EP 21819366A EP 4264759 A1 EP4264759 A1 EP 4264759A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- ignition device
- ignition source
- antechamber
- internal combustion
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 40
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/54—Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/01—Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/02—Details
- H01T13/08—Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- Ignition device with a prechamber coupled to an ignition source so that it can rotate without offset, internal combustion engine with an ignition device and motor vehicle with an internal combustion engine
- the invention relates to an ignition device for an internal combustion engine, having at least one antechamber and having at least one ignition source. Further aspects of the invention relate to an internal combustion engine with such an ignition device and a motor vehicle with an internal combustion engine.
- Ignition devices are used in order to provide an ignition source, for example in the form of an ignition spark, in internal combustion engines operated by spark ignition and thus with external ignition, and thereby to cause ignition of a mixture of fuel and air, also known as a fuel-air mixture.
- Ignition devices designed as spark plugs are particularly widespread, but other ignition devices, such as so-called laser ignition for igniting the mixture, are also known.
- AT 522050 A1 discloses a liquid-cooled internal combustion engine with a cylinder head which has a coolant chamber and with an antechamber which is arranged on the cylinder head and is formed by at least one antechamber component.
- a fuel supply device connected to the antechamber component opens into the antechamber.
- the fuel supply device is arranged in a sealing sleeve which is fixedly connected to the prechamber component and which is connected to the prechamber component in a liquid-tight manner at its first end facing the prechamber component.
- the object of the present invention is to create an ignition device of the type mentioned at the outset, which can be installed and aligned with little effort, as well as an internal combustion engine with such an ignition device and a motor vehicle with an internal combustion engine.
- a first aspect of the invention relates to an ignition device for an internal combustion engine, having at least one antechamber and having at least one ignition source.
- the at least one prechamber is coupled to the at least one ignition source so that it is offset-free in the longitudinal extension direction of the ignition device between at least two rotational alignment positions of the prechamber relative to the ignition source, so that it can rotate about a central axis of the ignition device and can be rotated reversibly from the at least one ignition source in at least one decoupling rotational alignment position is detachable from an ignition source and can be spaced apart from the ignition source in the longitudinal direction.
- the coupling of the at least one antechamber to the at least one ignition source while at the same time being able to rotate the ignition device without offset about a central axis of the ignition device is associated with the advantage that when the ignition device is installed, both the at least one ignition source and the at least one antechamber are mounted together and thus can be fixed with little effort, for example on a cylinder head of the internal combustion engine, and on the other hand, a relative rotation of the prechamber relative to the ignition source and thus an easy alignment of the prechamber relative to the ignition source in the assembled state or when assembling the ignition device is possible without this relative rotation to the offset between the antechamber and the ignition source in the longitudinal direction of the ignition device. Disassembly, ie decoupling, of the antechamber from the ignition source can be carried out with just as little effort.
- the expression according to which the prechamber can be rotated without an offset between the at least two rotational alignment positions of the prechamber relative to the ignition source about the central axis of the ignition device in the direction of longitudinal extent means that when the prechamber is rotated relative to the ignition device, there is no change in the distance between the Antechamber and the ignition device occurs in the longitudinal direction of the ignition device, which applies at least to the relative rotation between the rotational alignment positions.
- the at least one antechamber and the at least one ignition device are coupled to one another so that they can rotate relative to one another without a change in distance.
- the at least one antechamber and the at least one ignition source can thereby be coupled to one another in particular without a thread.
- rotational alignment position is to be understood as meaning a position of the prechamber which the prechamber can assume by relative rotation between the prechamber and the ignition source about the central axis, without this resulting in an offset between the ignition source and the prechamber in the longitudinal direction.
- the antechamber and the ignition source can be coupled to one another in a reversible and captive manner in all rotational alignment positions.
- the term decoupling rotational alignment position is to be understood as meaning a position of the prechamber that differs from the rotational alignment positions, which the prechamber can assume by relative rotation between the prechamber and the ignition source about the central axis, with the decoupling rotational alignment position decoupling the prechamber from the ignition source and the offset between the ignition source and the antechamber is made possible in the longitudinal direction.
- a change in distance between the antechamber and the ignition source in the direction of longitudinal extent can therefore take place in the decoupling rotational alignment position, whereas the change in distance is suppressed in the respective rotational alignment positions.
- the antechamber and the ignition device are reversibly detachable from one another in the decoupling rotational alignment position and are coupled to one another such that they can be displaced relative to one another in the direction of longitudinal extent, but are coupled to one another in the respective rotational alignment positions.
- the invention is based on the finding that in devices known from the prior art, screw connections can be provided between spark plugs and prechamber sleeves, so that when the spark plug rotates relative to the prechamber sleeve or vice versa, it is also possible at the same time, due to a thread pitch of the respective thread of the screw connection There is a length offset between the spark plug and the pre-chamber sleeve. This makes it difficult to position the prechamber sleeve relative to the spark plug.
- the invention starts here because the design of the present ignition device means that such an offset, as is usual with such screw connections, can also be ruled out during relative rotation if the antechamber is in one of the at least two rotational alignment positions.
- the ignition device comprises at least one coupling element, via which the at least one prechamber and the at least one ignition source are connected to one another at least in the at least two rotational alignment positions in Longitudinal direction are coupled offset free rotatable about the central axis.
- the coupling element can accordingly assume the task of coupling between the antechamber and the ignition source, as a result of which both the at least one antechamber and the at least one ignition source can each have a simple structure.
- the ignition device comprises a collar which is arranged on the at least one antechamber and runs around the at least one ignition device in regions in the circumferential direction, on which the at least one ignition source can be supported at least in the at least two rotational alignment positions via the coupling element in the direction of longitudinal extension.
- the ignition device comprises a collar which is arranged on the at least one ignition source and runs around the at least one ignition device in some areas in the circumferential direction, on which the at least one antechamber can be supported at least in the at least two rotational alignment positions via the coupling element in the longitudinal direction.
- the collar advantageously represents a particularly simple constructive solution which allows the coupling element to be supported in the respective rotational alignment positions. During the relative rotation between the different rotational alignment positions, the coupling element can simply slide along the collar without offsetting the prechamber and ignition source in the longitudinal direction or even decoupling the prechamber from the ignition source.
- the peripheral collar in some areas is interrupted by a recess, through which the coupling element can be guided in the direction of longitudinal extension in the at least one decoupling/rotational alignment position, and the at least one ignition source and the at least one antechamber can thus be reversibly detached from one another.
- the recess represents a particularly simple constructive solution, through which the collar can be interrupted in the circumferential direction and can therefore only encircle in certain areas.
- the at least one coupling element is designed as a pin, in particular a cylindrical pin, or as a projection, in particular a nose, produced by flanging.
- a pin in particular a cylindrical pin, or a projection of this type produced by flanging, in particular a nose, enables a particularly durable and structurally simple coupling between the at least one ignition source and the at least one antechamber.
- the at least one ignition source is designed as a spark plug. This is advantageous because it enables a particularly reliable ignition, that is to say a reliably reproducible ignition of a fuel-air mixture, by means of the ignition source.
- the at least one antechamber can preferably be designed at least in regions as a counter-electrode for the at least one ignition source designed as a spark plug.
- the at least one ignition source and the at least one antechamber form a sealing seat with one another.
- the sealing seat can be gas-tight, ie prevent gas from escaping from the antechamber in the area of the ignition source.
- the antechamber and/or the ignition source can have a conical contact area on the sealing seat, on which the antechamber and the ignition source lie against one another, forming the sealing seat. A particularly reliable seal can be created by the conical contact area.
- the sealing seat can be present at least in the installation position of the ignition device on the internal combustion engine, e.g. on the cylinder head.
- a second aspect of the invention relates to an internal combustion engine with at least one ignition device according to the first aspect of the invention. This is advantageous because with such an internal combustion engine, assembly and adjustment of the ignition device are made possible with little effort.
- a third aspect of the invention relates to a motor vehicle with an internal combustion engine according to the second aspect of the invention, with the latter enabling particularly easy assembly and easy adjustment of the ignition device, in particular alignment of the prechamber by rotation relative to the ignition source.
- Fig. 1 is a schematic exploded view of an ignition device comprising an ignition source configured as a spark plug and a pre-chamber, and in which the pre-chamber is shown in a decoupling rotational orientation position in which the pre-chamber is reversibly detachable from the ignition source and longitudinally spaced from the ignition source ;
- Figure 2 is a further schematic exploded view of the igniter in which the antechamber is rotated relative to the ignition source about a central axis of the igniter as compared to Figure 1 whereby the antechamber is in a first rotational orientation position;
- FIG 3 shows a highly abstract motor vehicle and a schematic sectional view of a portion of an internal combustion engine which has a cylinder head on which the ignition device is mounted and the prechamber is rotated relative to the ignition source into a second rotational alignment position.
- FIG. 1 shows a schematic exploded view of an ignition device 10 for an internal combustion engine 100.
- the ignition device 10 can be arranged on a cylinder head 102 of the internal combustion engine 100, shown in detail in FIG.
- Internal combustion engine 100 is used to drive a motor vehicle K, which is shown in highly abstract form in FIG.
- motor vehicle K includes internal combustion engine 100 and thus also ignition device 10.
- Ignition device 10 includes a prechamber 20 and an ignition source 30.
- Ignition source 30 is designed as a spark plug and includes a center electrode 36 and here also a counter-electrode 38, also referred to as a ground electrode, as shown in FIG. 1, 2 or 3 recognize is.
- the antechamber 20 comprises an antechamber wall 22 on which passage openings 24 are arranged at an end of the antechamber 20 remote from the ignition source 30 .
- ignition device 10 for example in the form of a fuel-air mixture, from combustion chamber 104 via through-openings 24 into pre-chamber interior 26 and is ignited there using ignition source 30 embodied as a spark plug, especially since center electrode 36 and counter-electrode 38 are arranged in pre-chamber interior 26 are.
- the prechamber 20 is coupled to the ignition source 30 so as to be rotatable about a central axis M of the ignition device 10 between a plurality of rotational alignment positions of the prechamber 20 relative to the ignition source 30 .
- this plurality of rotational alignment positions only two rotational alignment positions PK1, PK2 are shown as an example.
- the first rotational alignment position PK1 is shown in FIG. 2, while the second rotational alignment position PK2 is shown in FIG.
- Each of the rotational alignment positions is characterized in that the rotational alignment positions can be assumed and adjusted by the respective rotational alignment, i.e.
- the through-openings 24 can be aligned relative to the combustion chamber 104, but there is no longitudinal offset during the rotation between the rotational alignment positions, i.e. the offset between the antechamber 20 and the ignition source 30 in the longitudinal direction L.
- Ignition device 10 includes a coupling element 40, via which prechamber 20 and ignition source 30 are connected to one another in all rotational alignment positions and thus also in the two rotational alignment positions PK1, PK2 shown in the longitudinal direction L offset about the central axis M are rotatably coupled.
- the coupling element 40 can be in the form of a pin, in particular a cylindrical pin.
- the coupling element 40 can be designed as a projection, in particular a nose, produced by flanging, which is not shown here.
- FIG. 2 shows an outbreak at the ignition source 30 .
- the coupling element 40 is partially inserted into an opening 33, which is arranged on an ignition source wall 32 of the ignition source 30, but projects out of the opening 33 in certain areas.
- the ignition device 10 comprises a collar 50 which is arranged on the antechamber 20 and runs around in regions in the circumferential direction U of the ignition device 10, on which the ignition source 30 can be supported in all rotational alignment positions and thus also in the two rotational alignment positions PK1, PK2 shown via the coupling element 40 in the longitudinal direction L .
- the ignition device 10 comprises a collar 50 which is arranged on the ignition source 30 and runs around in regions in the circumferential direction U of the ignition device 10, on which the prechamber 20 can be attached in all rotational alignment positions and thus also in the positions shown two rotational alignment positions PK1, PK2 via the coupling element 40 in the longitudinal direction L can be supported.
- the coupling element 40 projects out of the opening 33 in areas, as a result of which the coupling element 40 (the protruding area of the coupling element 40) can be supported on the collar 50 .
- FIG. 1 shows the pre-chamber 20 in a decoupling rotational alignment position PKE, in which the pre-chamber 20 can be reversibly detached from the ignition source 30 and spaced apart from the ignition source 30 in the longitudinal direction L.
- the partially circumferential collar 50 is interrupted by a recess 52, through which the coupling element 40 can be passed through in the decoupling rotational alignment position PKE in the longitudinal direction L and the ignition source 30 and the antechamber 20 can be reversibly detached from one another.
- 1 shows that the recess 52 and the coupling element 40 are aligned in the direction of longitudinal extension L indicated by a double arrow.
- the reversible detachment of the prechamber 20 from the ignition source 30, can also be carried out in the reverse manner with particularly little effort, in that the relative rotation of the prechamber 20 takes place from one of the rotational alignment positions into the decoupling rotational alignment position PKE, in which the prechamber 20 and the ignition source 30 can be spaced apart.
- the ignition source wall 32 includes a threaded area 34 on which an external thread is arranged.
- the threaded area 34 and thus the external thread serve to fix the ignition device 10 to the cylinder head 102 in a reversibly detachable manner.
- Threaded area 34 has a larger diameter (measured perpendicularly to central axis M) than areas of ignition source 30 that differ from threaded area 34.
- the coupling element 40 can be arranged in a particularly space-saving manner in the direction of longitudinal extension L at the level of the threaded area 34 , as can be seen from FIG. 2 or FIG. 3 .
- the large diameter of the threaded area 34 can be used to couple the antechamber 20 via the coupling element 40 to the ignition source 30 radially inside the threaded area 34, in other words between the threaded area 34 and the central axis M.
- the pre-chamber 20 After the pre-chamber 20 has been coupled to the ignition source 30, the pre-chamber can be in the rotational alignment position PK1 (see FIG. 2) and the entire ignition device 10 can be inserted into a receiving opening 106 on the cylinder head 102 shown in FIG. 2, it should be noted that, like FIG. 1, it is an exploded view of the igniter 10 in which the antechamber 20 and ignition source 30 are shown in principle conditionally separate and spaced apart. The actual representation of the coupling of the antechamber 20 to the ignition source 30 can only be seen in FIG. 3, which shows the ignition device 10 in its installed position.
- the ignition source 30 and the antechamber 20 can also form a sealing seat 12 with one another, at least in the installed position, in order to seal the interior of the antechamber 26 at least in certain areas.
- Sealing seat 12 can be embodied as gas-tight and, even when internal combustion engine 100 is in operation, prevent any gases at high pressure in combustion chamber 104, in particular exhaust gases, from escaping from prechamber interior 26 and away from combustion chamber 104 in the longitudinal direction L.
- the ignition device 10 To assemble the ignition device 10 in the arrangement in the receiving opening 106 on the cylinder head 102 , it can be screwed via the threaded area 34 to an internal thread 108 of the cylinder head 102 arranged on the receiving opening 106 . As a result, the antechamber 20 is pressed in the direction of the combustion chamber 104 on the cylinder head 102 .
- prechamber 20 and ignition source 30 can, due to their coupling via coupling element 40, be relatively relative to one another between the rotary alignment positions PK1, PK2 and about the central axis M relative to the ignition source 30, as a result of which a directional installation of the antechamber 20 is made possible.
- the through-openings 24 can also be aligned, for example, relative to an injector of the internal combustion engine 100, which is not shown in detail here and which can be designed for injecting fuel directly into the combustion chamber 104.
- the coupling of the coupling element 40 with the collar 50, which can generally be designed as a shoulder, on the antechamber 20 ensures this that the prechamber 20 can be detached from the cylinder head 102 together with the ignition source 30 when the ignition device 10 is unscrewed, i.e. when the screwed connection of the threaded region 34 is separated from the internal thread 108, provided that the prechamber 20 is in one of the rotational alignment positions.
- At least tensile forces can be transmitted between the antechamber 20 and the ignition source 30 via the coupling element 40 and the collar 50 . If the ignition device 10 is detached from the cylinder head 102, the antechamber 20 can be pulled out of the receiving opening 106 on the cylinder head 102 together with the ignition source 30. Through Supporting the coupling element 40 on the collar 50 in one of the rotational alignment positions, tensile forces can be transmitted from the ignition source 30 to the antechamber 20 and the antechamber 20 can therefore be pulled out of the receiving opening 106 together with the ignition source 30 .
- ignition device 12 sealing seat 20 antechamber 22 antechamber wall 24 passage openings 26 antechamber interior 30 ignition source 32 ignition source wall
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020133717.5A DE102020133717A1 (de) | 2020-12-16 | 2020-12-16 | Zündvorrichtung mit einer versatzfrei drehbar mit einer Zündquelle gekoppelten Vorkammer, Verbrennungskraftmaschine mit einer Zündvorrichtung und Kraftfahrzeug mit einer Verbrennungskraftmaschine |
| PCT/EP2021/082425 WO2022128342A1 (de) | 2020-12-16 | 2021-11-22 | Zündvorrichtung mit einer versatzfrei drehbar mit einer zündquelle gekoppelten vorkammer, verbrennungskraftmaschine mit einer zündvorrichtung und kraftfahrzeug mit einer verbrennungskraftmaschine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4264759A1 true EP4264759A1 (de) | 2023-10-25 |
Family
ID=78821342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21819366.2A Pending EP4264759A1 (de) | 2020-12-16 | 2021-11-22 | Zündvorrichtung mit einer versatzfrei drehbar mit einer zündquelle gekoppelten vorkammer, verbrennungskraftmaschine mit einer zündvorrichtung und kraftfahrzeug mit einer verbrennungskraftmaschine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12031512B2 (de) |
| EP (1) | EP4264759A1 (de) |
| CN (1) | CN116348673A (de) |
| DE (1) | DE102020133717A1 (de) |
| WO (1) | WO2022128342A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1506861A (en) * | 1923-03-16 | 1924-09-02 | Palmeri Sullivan | Spark plug |
| JPS5429368Y2 (de) * | 1975-06-30 | 1979-09-19 | ||
| US20070236122A1 (en) * | 2006-04-10 | 2007-10-11 | Borror Bruce M | Pre-chamber type spark plug |
| DE102009000956A1 (de) * | 2009-02-18 | 2010-08-19 | Robert Bosch Gmbh | Laserzündkerze und Vorkammermodul hierfür |
| JP2015117582A (ja) * | 2013-12-16 | 2015-06-25 | 三菱重工業株式会社 | ガスエンジン、およびガスエンジンの組立方法 |
| EP2977582B1 (de) * | 2014-07-22 | 2018-03-28 | Caterpillar Energy Solutions GmbH | Zündungsvorrichtung mit Vorbrennkammer |
| US20190376441A1 (en) * | 2018-06-08 | 2019-12-12 | Caterpillar Inc. | Pre-Chamber Spark Plug |
| DE102018220177B4 (de) | 2018-11-23 | 2020-09-03 | Mtu Friedrichshafen Gmbh | Vorkammeranordnung für eine Brennkraftmaschine, Brennkraftmaschine mit einer solchen Vorkammeranordnung, und Verfahren zum Betreiben einer solchen Brennkraftmaschine |
| AT522050B1 (de) | 2019-01-22 | 2020-09-15 | Avl List Gmbh | Flüssigkeitsgekühlte brennkraftmaschine |
| JP7257236B2 (ja) * | 2019-04-22 | 2023-04-13 | 三菱重工エンジン&ターボチャージャ株式会社 | 副室式エンジン |
| DE102019131723A1 (de) * | 2019-11-25 | 2021-05-27 | Ford Global Technologies Llc | Zylinderkopfanordnung, Hubkolbenbrennkraftmaschine und Verfahren zum Herstellen eines Zylinderkopfs |
-
2020
- 2020-12-16 DE DE102020133717.5A patent/DE102020133717A1/de active Pending
-
2021
- 2021-11-22 EP EP21819366.2A patent/EP4264759A1/de active Pending
- 2021-11-22 US US18/038,346 patent/US12031512B2/en active Active
- 2021-11-22 CN CN202180069828.0A patent/CN116348673A/zh active Pending
- 2021-11-22 WO PCT/EP2021/082425 patent/WO2022128342A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022128342A1 (de) | 2022-06-23 |
| CN116348673A (zh) | 2023-06-27 |
| DE102020133717A1 (de) | 2022-06-23 |
| US20230417211A1 (en) | 2023-12-28 |
| US12031512B2 (en) | 2024-07-09 |
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