CN110392776B - 水箱装置和内燃机的工作介质供应*** - Google Patents
水箱装置和内燃机的工作介质供应*** Download PDFInfo
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Abstract
本发明涉及一种用于具有水喷入装置的内燃机的水箱装置,包括具有内部容积(2)的水箱(1),该内部容积至少部分区段地由箱壁(3)限定并且在其中可储存用于内燃机中的水喷入装置的液体;过滤装置(4),其构造用于净化来自内燃机的燃料箱的燃料蒸汽,所述过滤装置(4)具有传热面(5),所述传热面由过滤装置(4)的外表面构成,并且所述过滤装置(4)相对于可容纳在内部容积(2)中的液体流体密封地封闭,其特征在于,所述过滤装置(4)这样设置在水箱(1)上,使得可通过传热面(5)与可储存在水箱(1)中的液体进行热交换。
Description
技术领域
本发明涉及一种用于具有水喷入装置的内燃机的水箱装置和工作介质供应***。所述水箱装置由现有技术并且尤其是由DE 10 2015 208 480 A1已知。
背景技术
下面参考用于内燃机的水喷入装置来阐述本发明,该内燃机设计成活塞往复式结构并且可根据奥托原理运行,这不应理解为对本发明的限制。
长期以来,已知将水引入活塞往复式发动机的燃烧室中,以便由此增加功率和/或减少消耗。水喷入装置所需的部件在此是附加部件,其导致机动车中的附加结构空间需求,因此这种***应在结构尺寸方面尽可能紧凑地设计。
DE 10 2015 208 480 A1提出一种用于内燃机的水喷入装置,其包括水箱和设置在水箱中的过滤器。
发明内容
本发明的任务在于提供一种水箱装置以及具有这种水箱的工作介质供应***,它们具有紧凑的结构尺寸。所述任务通过根据本发明的水箱装置和根据本发明的工作介质供应***来解决。
本发明提出一种用于具有水喷入装置的内燃机的水箱装置,该水箱装置包括:具有内部容积的水箱,该内部容积至少部分区段由箱壁限定并且在该内部容积中能储存用于内燃机中的水喷入装置的液体;过滤装置,该过滤装置设置用于净化来自内燃机的燃料箱的燃料蒸汽,所述过滤装置具有传热面,所述传热面由过滤装置的外表面构成,并且所述过滤装置相对于能容纳在内部容积中的液体流体密封地封闭,其特征在于,所述过滤装置在水箱上设置成,使得能通过传热面与可储存在水箱中的液体实现热交换。
在本发明意义中术语“水箱装置”应理解为用于容纳水的装置,这些水用于引入内燃机的至少一个燃烧室中。在本发明意义中术语“内燃机”应理解为具有内燃的热力发动机,尤其是往复式活塞构型的热力发动机,该内燃机优选可根据奥托原理运行。
所述水箱装置为了容纳水或另一种液体包括具有内部容积的水箱,该内部容积至少部分区段地或优选完全由箱壁限定。液体、尤其是水尤其是可储存在该内部容积中,使得水箱尤其是构成用于容纳液体的容器。
水箱装置还包括过滤装置。该过滤装置尤其是设置用于净化来自内燃机的燃料箱的燃料蒸汽或燃料气体。尤其是为了运行可根据奥托原理运行的内燃机,使用燃料、优选汽油机燃料或者说汽油,这种燃料在环境条件下释放蒸汽或气体,其排放到环境中。尤其是为了降低环境污染,设置过滤装置,所述蒸汽或气体在进入环境之前流过该过滤装置。
过滤装置尤其是具有过滤元件,上述蒸汽或气体在其进入环境之前可流过该过滤元件并且所述过滤装置还具有设有传热面的过滤器壳体,通过该传热面能实现与过滤装置周围的环境进行热交换。该传热面尤其是应理解为过滤装置的表面区域、优选过滤器壳体的表面区域。
过滤装置或者更确切地说过滤元件尤其是通过过滤器壳体相对于可储存在水箱内部容积中的水流体密封地封闭。尤其是通过过滤装置的这种设计,水不能从水箱进入过滤装置并且因此不会进入过滤元件。
优选过滤装置这样设置在水箱上,使得可通过传热面与可储存在水箱中的水进行热交换。优选过滤装置完全设置在水箱的内部容积之外或优选部分地设置在水箱的内部容积之外并且另外优选过滤装置完全设置在该内部容积内部或优选部分地设置在该内部容积内部。特别是当过滤装置紧邻水箱设置或优选至少部分地或完全设置在内部容积内时,可通过传热面进行热交换。
术语“紧邻”在此意义中优选应理解为传热面在过滤装置设置在内部容积之外的情况下与水箱具有50mm或更小、优选20mm或更小并且特别优选10mm或更小的最小距离,优选传热面接触箱壁或特别优选是箱壁的一部分。尤其是通过将过滤装置设置在内部容积之外可实现过滤装置的特别简单的维护。尤其是通过将过滤装置至少部分地设置在内部容积内可与可储存在水箱中的水进行特别好的热交换。
在本发明的一种优选实施方式中,所述过滤装置从外部紧邻地、即尤其是在上述距离范围内设置在箱壁上,该箱壁至少部分地限定水箱的内部容积。优选过滤装置设置在箱壁的限定水箱内部容积的区域中。
在本发明的一种优选实施方式中,所述过滤装置至少部分地设置在水箱的内部容积内。优选过滤装置完全设置在内部容积内。尤其是通过将过滤装置完全容纳在水箱内可实现特别好的热交换和紧凑的结构。
在本发明的一种优选实施方式中,箱壁具有通过区域。优选过滤装置部分地设置在水箱的内部容积内并且在该通过区域中穿过限定内部容积的箱壁。优选在该通过区域中设置密封装置,借助该密封装置尤其是与过滤装置相关的内部容积相对于水箱周围的环境流体密封地封闭。优选该密封装置具有至少一个密封唇,所述密封唇与过滤装置接触。在另一种优选实施方式中,过滤装置具有锁紧螺母,借助该锁紧螺母过滤装置在通过区域中固定在箱壁上。尤其是通过所描述的设计过滤装置在密封区域上穿过箱壁,尤其是过滤装置的一部分伸入该内部容积中并且过滤装置的一部分位于内部容积之外,因而过滤装置或过滤元件易于更换并且因此能实现过滤装置的特别简单的维护。
在一种优选实施方式中,在所述箱壁上设置第一卡锁区段并且在所述过滤装置上设置第二卡锁区段。优选过滤装置可与箱壁通过所述第一和第二卡锁区段这样连接,使得这两个卡锁区段一起形成卡锁连接部。尤其是借助该卡锁连接部,过滤装置固定在箱壁上并且因此可实现过滤装置在箱壁上的简单安装。
在本发明的一种优选实施方式中,过滤装置具有过滤元件,该过滤元件尤其是具有活性炭作为组成成分或优选由活性炭制成。过滤元件尤其是构造为所谓的活性炭过滤器。尤其是活性炭过滤器已被证明是用于本发明目的的特别有效的过滤器。在过滤燃料蒸汽时可导致过滤元件的升温,尤其是可通过散热/热传递到可容纳在水箱中的液体、尤其是水中而降低过滤元件的升温并改善过滤效果。
此外,提出一种内燃机的工作介质供应***,其包括根据上述结构类型的水箱装置。所述工作介质供应***包括具有燃料内部容积的燃料箱。在该燃料内部容积中可储存用于内燃机的燃料,所述燃料设置用于在该内燃机中燃烧。此外,所述工作介质供应***包括燃料蒸汽供应管路,借助该燃料蒸汽供应管路燃料内部容积与过滤装置导流地连接或可导流地连接。此外,该***还包括燃料蒸汽排出管路,借助该燃料蒸汽排出管路过滤装置与工作介质供应***周围的环境流体连接或可连接。关于从燃料内部容积到工作介质供应***周围环境的流动方向,过滤装置设置在该燃料内部容积的下游并且燃料蒸汽排出管路设置在燃料蒸汽供应管路的下游。
尤其是借助这种水箱装置和这种工作介质供应***(Betriebsstoffversorgungssystem)可实现较低的空间需求并且尤其是在使用活性炭过滤器的情况下还可通过可储存在水箱中的液体、尤其是水使其热稳定。这种过滤装置在过滤时、即在活性炭过滤器被加载时升温并且在清洁时、即在过滤装置的冲洗运行中过滤装置冷却。尤其是由于可通过传热面与可储存在水箱中的液体进行热交换,使过滤装置热稳定(过滤元件的温度波动减小),因此加热程度减少或冷却程度减少。尤其是通过在过滤装置和可储存在水箱中的水之间的这种热传递改善过滤装置的有效性并降低向环境中的排放。
附图说明
下面详细阐述在附图中以部分示意性方式示出的本发明或其各个特征。在附图中:
图1示出水箱装置的第一种实施方式的剖视图;
图2示出水箱装置的另一种实施方式的剖视图;
图3示出水箱装置的另一种实施方式的剖视图;
图4示出水箱装置的另一种实施方式的剖视图。
具体实施方式
图1示出具有水箱1的水箱装置的第一种实施方式,其中燃料蒸汽供应管路和排出管路穿过法兰伸入水箱1中。过滤装置4设置在水箱1的内部容积2中,该内部容积2通过箱壁3限定并且在该内部容积中可容纳用于喷射到内燃机中的水或基于水的混合物。
过滤装置4的外表面构成传热面5。在过滤装置4区域中拆开地示出过滤装置4或者更确切地说过滤器壳体12,在该过滤器壳体中设有过滤元件11并且在过滤元件表面上设有传热面5。通过这种显示可以看出,传热面5至少设置在该过滤元件11区域中并且因此可实现从过滤元件11经由传热面5到可储存在水箱1中的水的特别好的热传递。
过滤装置4完全设置在水箱1的内部容积2内并且通过卡锁连接部8保持在水箱1的箱壁3上。
过滤装置4通过燃料蒸汽供应管路9与燃料箱导流地连接,使得燃料蒸汽可被供应给过滤元件11并且在通过该过滤元件时被其净化。当燃料蒸汽通过过滤元件11并被净化后,该燃料蒸汽通过燃料蒸汽排出管路10进入水箱1周围的环境中。
图2示出水箱装置的另一种实施方式,在此下面主要说明与图1所示实施方式的不同之处。
过滤装置4在两个通过区域6中从内部容积2穿过水箱1的箱壁3向外伸入水箱1周围的环境7中。在通过区域6中分别设置一个密封装置,使得液体不能穿过所述通过区域6从内部容积2流出。过滤装置4通过卡锁连接部8保持在箱壁3上。在这种实施方式中可简单地维护过滤装置,因为燃料蒸汽供应管路和排出管路9、10可简单地连接到过滤装置上并且过滤装置4可从水箱1中取出以便进行维护。
图3示出水箱装置的另一种实施方式,在此下面主要说明与图1和图2中所示实施方式的不同之处。
过滤装置4从外部设置在水箱1的箱壁3上并且能通过传热面5与可储存在水箱1内部容积2中的液体进行热交换。过滤装置4通过卡锁连接部8保持在箱壁3上。在这种实施方式中过滤装置4的维护进一步简化。此外,过滤装置可借助一个或多个锁紧螺母(未示出)被固定以防相对于水箱1的意外滑动。
图4示出水箱装置的另一种实施方式,在此下面主要说明与图1至3所示实施方式的不同之处。
过滤装置4完全设置在水箱1的内部容积2内。燃料蒸汽供应和排出管路经由波纹管9a和10a构成。这些波纹管9a、10a可与箱壁3和/或过滤装置4一体连接。优选箱壁3和波纹管9a、10a和/或过滤装置4和波纹管9a、10a可构造为双组分注塑构件。进一步优选,所述波纹管9a、10a中的至少一个波纹管与箱壁3或过滤装置4焊接或在箱壁3或过滤装置4的制造过程期间用塑料注塑包封并且因此与其材料锁合地连接。这种制造方法从用于塑料构件的现有技术中已知。
附图标记列表
1 水箱
2 内部容积
3 箱壁
4 过滤装置
5 传热面
6 穿过箱壁的通过区域
7 水箱周围的环境
8 卡锁连接部
9 燃料蒸汽供应管路
9a 用于燃料蒸汽供应管路的波纹管
10 燃料蒸汽排出管路
10a 用于燃料蒸汽排出管路的波纹管
11 过滤元件
12 过滤器壳体
Claims (8)
1.用于具有水喷入装置的内燃机的水箱装置,该水箱装置包括:
具有内部容积(2)的水箱(1),该内部容积至少部分区段由箱壁(3)限定并且在该内部容积中能储存用于内燃机中的水喷入装置的液体;
过滤装置(4),该过滤装置设置用于净化来自内燃机的燃料箱的燃料蒸汽,所述过滤装置(4)具有传热面(5),所述传热面由过滤装置(4)的外表面构成,并且所述过滤装置(4)相对于能容纳在内部容积(2)中的液体流体密封地封闭,其特征在于,
所述过滤装置(4)在水箱(1)上设置成,使得能通过传热面(5)与可储存在水箱(1)中的液体实现热交换。
2.根据权利要求1所述的水箱装置,其特征在于,所述过滤装置(4)从外部紧邻地设置在水箱的箱壁(3)上并且因此设置在内部容积(2)之外。
3.根据权利要求1所述的水箱装置,其特征在于,所述过滤装置(4)至少部分区段设置在内部容积(2)内部。
4.根据权利要求3所述的水箱装置,其特征在于,所述箱壁(3)在通过区域(6)中具有密封装置,在该通过区域中过滤装置(4)穿过箱壁(3)伸入内部容积(2),内部容积(2)借助该密封装置相对于水箱(1)周围的环境(7)流体密封地封闭。
5.根据权利要求4所述的水箱装置,其特征在于,所述过滤装置(4)具有锁紧螺母,过滤装置(4)借助该锁紧螺母在通过区域(6)中固定在箱壁(3)上。
6.根据权利要求1至5中任一项所述的水箱装置,其特征在于,在所述箱壁(3)上设置第一卡锁区段,在所述过滤装置(4)上构造第二卡锁区段,这两个卡锁区段一起形成卡锁连接部(8),过滤装置(4)能借助该卡锁连接部固定在箱壁(3)上。
7.根据权利要求1至5中任一项所述的水箱装置,其特征在于,用于净化燃料蒸汽的所述过滤装置(4)具有过滤元件(11),该过滤元件(11)至少部分地具有活性炭过滤器作为组成部分。
8.内燃机的工作介质供应***,该工作介质供应***包括根据权利要求1至7中任一项所述的水箱装置和具有燃料内部容积的燃料箱,在该燃料内部容积中能储存用于该内燃机的燃料,并且所述工作介质供应***还包括燃料蒸汽供应管路(9)和燃料蒸汽排出管路(10),所述燃料蒸汽供应管路将燃料内部容积与过滤装置导流地连接,并且所述燃料蒸汽排出管路将过滤装置与水箱(1)周围的环境(7)连接。
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