• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Arrangement comprising a cylinder head (1) and an antechamber system (2) for an internal combustion engine, wherein the cylinder head has a fire plate (3) for delimiting a main combustion chamber (5) and the prechamber system (2) at least partially in an opening (4) of the fire plate (3). 3) is arranged, wherein the Vorkammersystem (2) substantially surrounding cooling cavity (6) is provided which in the fire plate (3) and / or in that region of the Vorkammersystems (2) which is located in the opening (4) , is arranged.
    公开号:AT514813A4
    申请号:T737/2013
    申请日:2013-09-25
    公开日:2015-04-15
    发明作者:Florian Becker
    申请人:Ge Jenbacher Gmbh & Co Og；
    IPC主号:
    专利说明:

    The present invention relates to an arrangement of a cylinder head and a combustion chamber system for an internal combustion engine having the features of claim 1.
    Especially in gas engines, but also in internal combustion engines in general, pre-combustion systems can be used to ignite a fuel mixture in a main combustion chamber. These Vorkammersysteme usually have a pre-combustion chamber in which a relatively flammable fuel mixture can be ignited. The result is a Zündfackel, which is supplied via a riser and bores the main combustion chamber.
    This described Vorkammersystem is usually arranged in a one-piece component, which is then mounted in an opening of the fire plate. The firing plate is that part of the cylinder head which delimits the main combustion chamber in the area of the ignition device, in this case the prechamber system.
    In most cases, the pre-chamber component as well as the fire plate are those components of the internal combustion engine which are subjected to the highest loads. In particular, some of the highest temperatures occur during operation of the internal combustion engine. Consequently, the service life of the pre-chamber system and the fire plate are crucial factors for the longevity of generic internal combustion engines.
    The object of the invention is to provide an arrangement of a cylinder head and a Vorwerkammystem, which allows over the prior art extended service life.
    This object is achieved by an arrangement having the features of claim 1.
    This is done by providing a cooling cavity substantially surrounding the prechamber system, which is located in the fire panel and / or in that area of the pre-chamber system located in the opening. Of the
    The invention is based on the surprising finding that, with regard to the service life, the thermal load reduced by the cooling outweighs the mechanical weakening of the components involved. These components, ie the fire plate and, as a rule, an antechamber component as well as any seals thus withstand the occurrence of mechanical stresses despite the presence of the cooling cavity and are capable of increased standstill due to the reduced temperature.
    Further advantageous embodiments of the invention are defined in the dependent claims.
    The cooling cavity according to the invention can be implemented particularly simply in that at least one pre-chamber component has a surrounding groove which forms the cooling cavity together with an inner wall of the opening of the fire plate, the inner wall of the opening preferably being arranged substantially radially with respect to a longitudinal axis of the antechamber system.
    Particularly preferred is an embodiment with channels for supplying and discharging a cooling medium, which are connected to the cooling cavity. By denständigen exchange of the cooling medium in the cooling cavity, the heat dissipation can be improved.
    In order to avoid that cooling medium emerges from the cooling cavity, preferably two-preferably annular-seals are provided for sealing the cooling cavity.
    A particularly simple construction for the channels can be achieved by the channels are arranged - preferably completely - in the fire plate.
    In addition, an embodiment in which the cooling cavity has an inlet opening and a tempering medium outlet opening spaced from the inlet opening, wherein the inlet opening and the outlet opening are each connected to channels, is particularly preferred. Thanks to the constantly flowing cooling medium during operation, the heat dissipation, which is made possible by the cooling cavity, can be further improved and optimized.
    As a cooling medium liquids can be used. Because of their heat capacity and their heat conduction properties, water, aqueous mixtures or oil are particularly preferred.
    But it can also gases, especially compressed air, used as a cooling medium. This has the advantage over liquids as a cooling medium that small leaks can be tolerated and therefore less effort for sealing the cooling cavity and possibly the channels must be driven.
    An embodiment in which the cooling cavity is substantially annular is also preferred. This allows a uniform heat dissipation in all directions.
    By virtue of the fact that the cooling cavity has a substantially polygonal cross-section with respect to a longitudinal axis of the prechamber system, the cooling cavity can be adapted to the shape of the prechamber system. Further improved heat removal is the result.
    This is especially true when the prechamber system includes a riser channel and bores for guiding an ignition torch to the main combustion chamber, the cooling cavity substantially surrounding the riser channel.
    Furthermore, protection is sought for an internal combustion engine with a cylinder head according to the invention.
    Further advantages and details of the invention will become apparent from the figure and the associated description of the figures. Showing:
    1 shows an inventive arrangement of a cylinder head and a Vorwerkammystem and
    A schematic sectional view through the inventive
    Arrangement in the plane of the cooling cavity.
    Figure 1 shows a cylinder head 1 according to the invention with Vorkammersystem 2 in a sectional view. The prechamber system 2 in this embodiment comprises a pre-combustion chamber 15, a riser 13 and a plurality of bores 14. The prechamber system 2 is disposed in an opening 4 of the fire plate 3. For ease of manufacture, these parts of Vorkammersystems2 are arranged in a single pre-chamber component 7. The cooling cavity 6 surrounds the pouring channel 13 in an annular manner.
    The cooling cavity 6 is essentially formed by a groove 8 in the pre-chamber component 7 together with an inner wall 9 of the opening 4 in which the pre-chamber component 7 is arranged. For sealing the cooling cavity 6, two seals 11 designed as sealing rings are provided.
    The shape of the cooling cavity 6 is adapted to the tubular shape of the riser channel 13, in that a boundary surface of the cooling cavity 6 facing the riser channel 13 is cylinder-jacket-shaped. Together with surfaces which serve to fix the seals 11, a polygonal cross-section of the cooling cavity 6 results radially with respect to a longitudinal axis L.
    In this embodiment, the prechamber system is substantially symmetrical with respect to the longitudinal axis L. However, this is not essential to the invention.
    The inner wall 9 of the opening 4 in the fire plate 3 has an inlet opening 17 and an outlet opening 18. Through these openings, the cooling cavity 6 is connected to two channels 12. These channels 12 allow the supply and removal of cooling medium to and from the cooling cavity 6. The flow direction is indicated by arrows.
    Easy manufacture of the channels is accomplished by making two mutually perpendicular holes in the absence of the pre-chamber member 7, with one hole in the plane of the fire plate and the other perpendicular to it. This vertical bore allows a simple way to promote cooling medium in the cooling jacket 16 of the cylinder head 1.
    FIG. 2 shows a schematic section through the fire plate 3 and the pre-chamber system 2 in the plane of the cooling cavity 6. The cooling cavity 6 surrounds the pre-chamber system 2 in the region of the riser channel 13. Through the inlet opening 17, cooling medium is introduced into the cooling cavity via a channel 12 from a schematically illustrated pump 19 6 promoted. The flow indicated by arrows leaves the cooling cavity 6 through the outlet opening 18. Via the channel 12, the cooling medium is returned to the pump 19.
    Typically, the pump 19 is designed so that flow velocities of 0.5 m / s to 10 m / s are achieved in the cooling cavity 6.
    The present invention is not limited to the embodiment presented here. For example, instead of the groove 8 in the prechamber component 7, there may be provided in each case one stage in the prechamber component 7 and in the fire plate 3, which together form the cooling cavity 6. But it is also readily possible to integrate the cooling cavity in the pre-chamber component. But also a cooling cavity, which is arranged annularly around the opening and is spaced from the pre-chamber component 7, is conceivable.
    权利要求:
    Claims (13)
    [1]
    An arrangement comprising a cylinder head (1) and a prechamber system (2) for an internal combustion engine, wherein the cylinder head has a fire plate (3) for defining a main combustion chamber (5) and the prechamber system (2) at least partially in an opening (4) of the Fire plate (3) is arranged, characterized in that the Vorkammersystem (2) substantially surrounding Kühlkavität (6) is provided which in the fire plate (3) and / or in that region of the Vorkammersystems (2), which in the opening ( 4) is located.
    [2]
    Arrangement according to claim 1, characterized in that the ancillary chamber system (2) is arranged in at least one prechamber component (7).
    [3]
    Arrangement according to claim 2, characterized in that the at least one pre-chamber component (7) has a surrounding groove (8) which together with an inner wall (9) of the opening (4) of the fire plate (3) forms the cooling cavity (6) Inner wall (9) of the opening (4) is preferably arranged substantially radially with respect to a longitudinal axis (L) of the Vorwerkammystems (2).
    [4]
    Arrangement according to at least one of claims 1 to 3, characterized in that two - preferably annular - seals (11) are provided for sealing the cooling cavity (6).
    [5]
    5. Arrangement according to at least one of claims 1 to 4, characterized in that with the cooling cavity (6) connected channels (12) are provided for supplying and discharging a cooling medium.
    [6]
    6. Arrangement according to claim 5, characterized in that the channels (12) - preferably completely - in the fire plate (3) are arranged.
    [7]
    7. Arrangement according to claim 5 or 6, characterized in that the cooling cavity (6) has an inlet opening (17) and a spaced from the inlet opening (17) outlet opening (18) for tempering medium, wherein the inlet opening (17) and the outlet opening (18) each connected to channels (12).
    [8]
    8. Arrangement according to at least one of claims 1 to 7, characterized in that as the cooling medium liquids, in particular water, aqueous mixtures or oil, are usable.
    [9]
    9. Arrangement according to at least one of claims 1 to 8, characterized in that as the cooling medium gases, in particular Druckluftverwendbar are.
    [10]
    10. Arrangement according to at least one of claims 1 to 9, characterized in that the cooling cavity (6) is substantially annular.
    [11]
    Arrangement according to at least one of claims 1 to 10, characterized in that the cooling cavity (6) has a substantially polygonal cross-section with respect to a longitudinal axis (L) of the pre-chamber system (2).
    [12]
    12. Arrangement according to at least one of claims 1 to 11, characterized in that the Vorkammersystem (2) comprises a riser channel (13) and bores (14) for guiding a Zündfackel to Hauptbrenn space (5), wherein the cooling cavity (6) is substantially the Surrounds the riser channel (13).
    [13]
    13. Internal combustion engine with an arrangement according to at least one of claims 1 to 12.
    类似技术:
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    同族专利:
    公开号 | 公开日
    FI20145817A|2015-03-26|
    JP2015063991A|2015-04-09|
    US20150083070A1|2015-03-26|
    AT514813B1|2015-04-15|
    KR20150034084A|2015-04-02|
    CN104454129A|2015-03-25|
    DE102014011691A1|2015-03-26|
    引用文献:
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    CN107044333A|2017-03-23|2017-08-15|江苏盛源燃气动力机械有限公司|Air-cooled type pre-burning device|
    CN107100712B|2017-03-23|2019-05-07|江苏盛源燃气动力机械有限公司|Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine|
    CN107143416B|2017-03-23|2019-06-04|江苏盛源燃气动力机械有限公司|Water cooling air-cooled type pre-burning ignition system|
    CN106930819B|2017-03-23|2019-05-07|江苏盛源燃气动力机械有限公司|Water jacket air-cooled type pre-burning device|
    CN106948923B|2017-03-23|2019-05-07|江苏盛源燃气动力机械有限公司|Water cooling air-cooled type pre-burning device|
    CN106894886B|2017-03-23|2019-09-06|江苏盛源燃气动力机械有限公司|Water jacket air-cooled type pre-burning ignition system|
    CN107044337B|2017-04-05|2019-03-15|江苏盛源燃气动力机械有限公司|Large-diameter single cylinder gas internal-combustion engine and multi-cylinder gas internal-combustion engine|
    CN108035817B|2017-11-17|2021-02-05|无锡开普动力有限公司|Layered cooling cylinder cover of V-shaped engine|
    CN108035818B|2017-11-17|2021-02-05|无锡开普动力有限公司|Cylinder head for a prechamber spark plug|
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    法律状态:
    2019-05-15| MM01| Lapse because of not paying annual fees|Effective date: 20180925 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA737/2013A|AT514813B1|2013-09-25|2013-09-25|Arrangement of a cylinder head and a Vorkammersystem|ATA737/2013A| AT514813B1|2013-09-25|2013-09-25|Arrangement of a cylinder head and a Vorkammersystem|
    JP2014159304A| JP2015063991A|2013-09-25|2014-08-05|Arrangement comprising cylinder head and prechamber system|
    DE102014011691.3A| DE102014011691A1|2013-09-25|2014-08-07|Arrangement of a cylinder head and a Vorkammersystem|
    KR20140102221A| KR20150034084A|2013-09-25|2014-08-08|Arrangement comprising a cylinder head and a prechamber system|
    US14/487,363| US20150083070A1|2013-09-25|2014-09-16|Arrangement comprising a cylinder head and a prechamber system|
    FI20145817A| FI20145817A|2013-09-25|2014-09-18|Arrangement for cylinder head and pre-chamber system for internal combustion engine|
    CN201410490461.1A| CN104454129A|2013-09-25|2014-09-23|Arrangement comprising a cylinder head and a prechamber system|
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