CN112888849A - 箱体组件 - Google Patents
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- CN112888849A CN112888849A CN201980068296.1A CN201980068296A CN112888849A CN 112888849 A CN112888849 A CN 112888849A CN 201980068296 A CN201980068296 A CN 201980068296A CN 112888849 A CN112888849 A CN 112888849A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/0221—Details of the water supply system, e.g. pumps or arrangement of valves
- F02M25/0222—Water recovery or storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/022—Adding fuel and water emulsion, water or steam
- F02M25/025—Adding water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
- F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/02—Feeding by means of suction apparatus, e.g. by air flow through carburettors
- F02M37/025—Feeding by means of a liquid fuel-driven jet pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1486—Means to prevent the substance from freezing
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
本发明涉及一种箱体组件(5),该箱体组件包括箱体容器(10)、涡流罐(20)和抽吸喷射泵(30),其中,抽吸喷射泵(30)的喷嘴(32)在涡流罐(20)的涡流罐开口(22)上方间隔开地布置在箱体容器(10)的上侧(16)处。
Description
技术领域
本发明涉及一种箱体组件。这种箱体组件通常具有箱体容器,该箱体容器包围箱体空间。
背景技术
这种箱体组件可例如用于液体、如水状溶液或水。水状溶液可以例如是尿素溶液,所述尿素溶液在机动车中被用于减少废气中的特定成分。水可例如用于主动降低燃烧室温度。
已确定的是,在用于水状溶液的箱体组件中通常当箱体组件在水状溶液或水结冰的温度下使用时会存在问题。在0℃或稍微更低的温度下这就已经可能发生,即在如下温度下,例如在中欧在冬天经常达到或低于所述温度。
因此,例如已知的是,在箱体组件中设置加热装置。此外,已知的是,设置用于取出液体的泵模块以及用于确保在液位低的情况下进行供给的包围的波流壁。但在此从现在起确定:这种加热装置和波流壁挡到彼此并且阻止了晃动运动以及液体对流,所述晃动运动以及液体对流原则上有助于所包含的液体的解冻。
此外,已知的是,主动地填充波流壁内的区域,所述波流壁可例如形成涡流罐。但迄今用于此的泵被证明为不抗冰压的。
由此,为了解冻已结冰的溶液仅剩下已提到的加热装置,所述加热装置必须将所有溶液解冻,直至将泵或与泵相配设的抽吸接头解冻,然后才可进行取出。对解冻过程的支持在已知的实施方案中未被实现。
发明内容
因此,本发明的任务是,设置一种箱体组件,该箱体组件相比于已知的实施方案替代地构造,例如显示出改进的解冻行为。
这通过根据权利要求1所述的箱体组件实现。有利的设计方案可例如由从属权利要求得出。权利要求的内容通过对说明书内容的书面的参考得到。
在此提出的解决方案涉及一种箱体组件。
箱体组件具有箱体容器,该箱体容器包围箱体空间。在箱体组件中可例如存放有水状溶液或其他液体。箱体容器具有下侧和与下侧相对置的上侧。这种下侧和上侧可在典型的箱体容器中由本领域技术人员简单地看出,因为由于箱体容器、其他部件和接头的设计方案而清楚的是箱体容器要在哪个位置中安装到机动车或其他单元中。在此,下侧是这样的侧,该侧在典型的安装情形中向下指向。
箱体组件具有涡流罐。涡流罐布置在箱体空间中并且具有涡流罐开口。通常,涡流罐可经由涡流罐开口填充。
箱体组件具有抽吸喷射泵。抽吸喷射泵具有喷嘴、驱动射流管路和抽吸射流管路。驱动射流管路和抽吸射流管路通入到喷嘴中并且喷嘴具有排出开口。通常,喷嘴构造用于,将从驱动射流管路和抽吸射流管路出来的流体(通常是液体)经由排出开口再次排出。在此,驱动射流管路通常产生负压,该负压引起经由抽吸射流管路抽吸流体。这种抽吸喷射泵的原理本身是已知的。这种抽吸喷射泵相对便宜、故障少且所需的空间相对少。
喷嘴在涡流罐开口上方间隔开地布置在箱体容器的上侧处,其中,排出开口朝着所述涡流罐开口指向。
通过喷嘴的所描述的布置实现了:箱体容器或箱体空间中的液位可保持在喷嘴或排出开口下方,从而可防止喷嘴或排出开口结冰。由此可安装不抗冰压的喷嘴。此外,当包含在箱体空间中的全部液体还没有解冻时,就已经能够使用喷嘴。由此可促进解冻过程。
优选地,涡流罐除了涡流罐开口之外是密封的。这意味着尤其是,涡流罐仅在涡流罐开口处是打开的并且在其他方面是完全封闭的。由此,进入到涡流罐开口中的液体可保持在涡流罐中。不言而喻的是,(例如通过泵)从涡流罐中有意识进行的取出在此不理解为密封的中断。因此当例如用于从涡流罐取出液体的管路向外引导时,则涡流罐也除了涡流罐开口之外是密封的。
优选地,所述涡流罐安放在下侧上。由此,液体可聚集在位于箱体组件的下侧处的涡流罐中,其中,为涡流罐和处于该涡流罐上方的部件提供尽可能高的空间。
优选地,所述箱体组件具有泵。所述泵优选连接在驱动射流管路上以用于产生驱动射流。这可例如直接或经由下面还要描述的阀实现。所述泵优选构造用于,抽吸箱体空间的箱体内含物。由此,经由泵可将箱体内含物从箱体空间中取出并且用于产生驱动射流。由此,则也可例如经由抽吸射流一同抽吸其他液体。
优选地,所述泵布置在涡流罐中。由此,泵可从如下受益,即,在涡流罐中即使在液位低的情况下也还存在足够的液体。
优选地,箱体组件具有切换阀和取出管路。在此,取出管路可尤其是用于,将存放在箱体空间中的液体取出,以便将所述液体供应给特定用途、如喷入到燃烧室中。在此,切换阀优选构造用于,将泵可切换地与驱动射流管路连接或与取出管路连接。由此,所述泵不仅可用于产生驱动射流而且可用于将液体从箱体空间中取出。
根据一种可行的实施方案,箱体组件具有第一阀、第二阀和取出管路。第一阀在此构造用于,将泵可切换地与驱动射流管路连接。第二阀构造用于,将泵可切换地与取出管路连接。由此,与切换阀相反,液体也可由泵同时导引到驱动射流管路和取出管路中。由此,可实现液体的同时取出和抽吸喷射泵的运行。
优选地,所述泵具有加热装置。所述加热装置可例如布置在泵壳体中或直接地相邻于泵壳体布置。加热装置用于直接地且有针对性地加热所述泵。
抽吸射流管路可在箱体容器的下侧处在涡流罐之外连接在所述箱体空间上。由此可抽吸在涡流罐之外的液体,其中,通过在下侧处的布置结构,即使在液位低的情况下通常仍可实现抽吸。经抽吸的液体则可由抽吸喷射泵导引到涡流罐中,由此可主动地填充所述涡流罐。
抽吸射流管路可围绕驱动射流管路尤其是同轴地布置。这实现简单且紧凑的构造。
箱体组件有利地具有在所述箱体空间中相邻于所述涡流罐的加热装置和/或在所述涡流罐中的加热装置。由此,可直接加热涡流罐中的液体或相邻于涡流罐的液体。例如可有针对性地加热涡流罐,以便将包含在涡流罐中的液体解冻。
优选地,箱体组件具有驱动射流管路的加热装置。由此,可有针对性地加热驱动射流管路。
优选地,箱体组件具有抽吸射流管路的加热装置。由此,可有针对性地加热抽吸射流管路。
不言而喻的是,用于驱动射流管路和抽吸射流管路的加热装置也可一起构造或构造为一个单元,例如当两个管路相邻于彼此设置或(如下面所阐述的)彼此同轴地布置时。
优选地,箱体组件具有在所述箱体空间中位于喷嘴和涡流罐之间的输送管路。在此,输送管路优选构造用于,使从喷嘴的排出开口出来的液体指向于涡流罐开口。由此,可实现喷嘴对于涡流罐的特别好的填充效果,因为输送管路通常负责,将绝大部分或所有的从喷嘴中出来的液体实际地引导到涡流罐开口中并且由此进入到涡流罐中。输送管路可例如构造为管、尤其是构造为在安装状态中竖直的管。输送管路可尤其是在其上端部处漏斗形地构造。这可改进对来自喷嘴的排出开口的液体的接纳。
优选地,输送管路具有加热装置。由此,可对输送管路单独地进行解冻。
优选地,驱动射流管路和/或抽吸射流管路在箱体空间之外在箱体容器的下侧和上侧之间被引导。由此,可对所述管路单独地进行加热并且所述管路不占据箱体容器内的结构空间。
附图说明
本领域技术人员从下面参考附图所描述的实施例得到其他特征和优点。附图中:
图1示出箱体组件。
具体实施方式
图1示出根据本发明的一种实施例的箱体组件5。
箱体组件5具有箱体容器10。所述箱体容器包围箱体空间12。在箱体空间12中存放有液体7,所述液体填充箱体空间12直至液体表面8。空气在箱体空间12中位于液体表面8上方。
箱体容器10具有下侧14和上侧16。上侧16在此与下侧14相对置。这尤其是意味着,在典型的安装状态中,箱体容器10以下侧14向下指向地安装。这可例如涉及机动车的正常道路位置。
在箱体容器10处在下面布置有取出单元18,在该取出单元上布置有下面要描述的部件中的一些部件。
在箱体容器10中构造有涡流罐20。所述涡流罐在上侧具有涡流罐开口22。除了涡流罐开口22和下面要描述的接头以外,涡流罐20是密封的。由此,通过涡流罐开口22到达涡流罐20中的液体通常只能还通过下面要描述的接头从涡流罐20出来。如所示出的,涡流罐20直接地安放在箱体容器10的下侧14上。
箱体组件5还具有抽吸喷射泵30。抽吸喷射泵30具有喷嘴32,该喷嘴带有排出开口33。抽吸喷射泵30具有驱动射流管路34以及抽吸射流管路36。
驱动射流管路34和抽吸射流管路36两者均通入到喷嘴32中,从而由于从驱动射流管路34导入到喷嘴32中的驱动射流而在喷嘴32中产生负压。通过所述负压在抽吸射流管路36中产生抽吸射流,其中,抽吸射流管路36为此连接在箱体空间12处的连接部位37上。连接部位37在此在涡流罐20之外位于下侧14处,从而处于涡流罐20之外的液体7即使在液位低的情况下也可被抽吸射流管路36抽吸。
喷嘴32构造为,使得任何通过驱动射流管路34和抽吸射流管路36穿入的液体都通过排出开口33再次排出。
箱体组件5还具有泵40。所述泵布置在涡流罐20中并且具有用于抽吸的泵接头41,其中,泵接头41在涡流罐20中结束。泵40可由此从涡流罐20中抽吸液体。泵40被泵壳体43包围。
箱体组件5还具有切换阀42,该切换阀布置在取出单元18中。切换阀42在输入侧与泵40连接。由此,可获得由泵40从涡流罐20抽吸的液体并继续导引该液体。
箱体组件5还具有取出管路44。所述取出管路用于取出液体,以便将所述液体供应给特定用途。
在输出侧,切换阀42一方面连接到驱动射流管路34上并且另一方面连接到取出管路44上。切换阀42可由此一方面在相应切换位置中负责:使泵40在用于抽吸喷射泵30的驱动射流管路34中产生驱动射流,这引起抽吸喷射泵30的通常的运行。换言之,在该运行方式中,由泵40从涡流罐20抽吸液体7并且将其经由切换阀42导引到驱动射流管路34中。这引起抽吸射流的产生,该抽吸射流经由抽吸射流管路36抽吸附加的液体7。
而如果切换阀42这样切换,使得由泵40输送的液体7到达取出管路44中,则能以这种方式取出液体7并且将其供应给特定用途、如喷入到燃烧室中或使用在用于废气后处理的单元中。
不言而喻的是,替代于所示的实施方案例如驱动射流管路34和取出管路44也可分别经由自有的阀连接在泵40上。
如图1中可见的,喷嘴32直接地布置在涡流罐开口22上方。喷嘴32的排出开口33在此向下指向并且直接地朝着涡流罐开口22指向。抽吸喷射泵30可由此用于主动填充涡流罐20。换言之,借助于已提到的驱动射流可在抽吸射流管路36中产生抽吸射流,该抽吸射流管路在抽吸部位37处抽吸附加的液体7并且经由喷嘴32将其输送到涡流罐20中。这可即使在箱体容器10中的液体7液位低的情况下也确保供给。
在喷嘴32下方布置有输送管路60。所述输送管路构造为,使得从喷嘴32的排出开口33出来的液体直接地到达输送管路60中并且由所述输送管路有针对性地导引到涡流罐20中。这改善了涡流罐20的填充,因为防止液体在从喷嘴32下落的距离较高的情况下过于朝着侧向运动而使得液体不再到达涡流罐20中。如所示出的,输送管路60在上侧漏斗形地构造,从而改善了对从排出开口33出来的液体的接纳。
输送管路60当前借助于保持件64固定在泵壳体43上。由此,输送管路60可靠地保持定位。
在箱体空间12中在涡流罐20之外布置有加热装置50。所述加热装置用于液体7的电加热,从而例如当液体被冻住时可将所述液体解冻。在涡流罐20内也布置有加热装置52。
泵40也具有加热装置46,利用该加热装置可特定地加热泵40。加热装置46布置在泵壳体43内。取出管路44具有加热装置48,利用该加热装置可特定地加热取出管路44。输送管路60也具有加热装置62,利用该加热装置可特定地加热输送管路60。
驱动射流管路34和抽吸射流管路36当前主要在箱体容器10之外引导。在那所述驱动射流管路和抽吸射流管路同轴地引导,从而抽吸射流管路36包围驱动射流管路34。这也相应于两个管路34、36通入到喷嘴32中的构造。
驱动射流管路34和抽吸射流管路36在箱体容器10之外具有加热装置38,该加热装置用于特定地加热所述两个管路34、36。
不言而喻的是,替代所示的电的加热装置38、46、48、50、52、62也可使用其他实施方案,例如基于热的液体的导引通过的加热装置。
通过所描述的实施方案能够防止喷嘴32本身在箱体空间12中的液体7液位较高的情况下结冰,因为液体表面8可保持在喷嘴32的排出开口33下方,而这不导致可用性显著受限。这避免在喷嘴32上产生由严寒引起的损伤。此外,泵40也可通过有针对性的返回输送而被排空,由此所述泵不不受冰压。
在此处所描述的实施方案中可有利地省却另外的波流壁,除了涡流罐20以外。由此使液体7的晃动运动变得容易,所述晃动运动促进了解冻。
如果液体7例如在车辆较长时间地在低温下停放之后要被完全冻住,则可例如首先通过借助于相应配设的加热装置46、38、62特定加热泵40、驱动射流管路34、抽吸射流管路36和输送管路60来将从涡流罐20经由抽吸喷射泵30通过输送管路60的通道解冻,从而可进行第一液体运动。这可使解冻显著地变得容易。与此并行地,可通过在涡流罐20之外的加热装置50和在涡流罐20之内的加热装置52促进液体7的解冻。通过能够在沿着刚刚所描述的经解冻的通道的回路中强制泵送液体7,使热的液体更快地分布,并且解冻过程因此比在由现有技术已知的实施方案显著更快地实现。
Claims (15)
1.箱体组件(5),包括:
-箱体容器(10),所述箱体容器包围箱体空间(12),所述箱体容器(10)具有下侧(14)和与所述下侧(14)相对置的上侧(16);
-涡流罐(20),所述涡流罐布置在所述箱体空间(12)中并且具有涡流罐开口(22);以及
-抽吸喷射泵(30),所述抽吸喷射泵具有喷嘴(32)、驱动射流管路(34)和抽吸射流管路(36),所述驱动射流管路(34)和所述抽吸射流管路(36)通入到所述喷嘴(32)中并且所述喷嘴(32)具有排出开口(33),
-所述喷嘴(32)在所述涡流罐开口(22)上方间隔开地布置在所述箱体容器(10)的上侧(16)处,其中,排出开口(33)朝着所述涡流罐开口(22)指向。
2.根据权利要求1所述的箱体组件(5),
-其中,所述涡流罐(20)除了所述涡流罐开口(22)之外是密封的。
3.根据前述权利要求中任一项所述的箱体组件(5),
-其中,所述涡流罐(20)安放在所述下侧(14)上。
4.根据前述权利要求中任一项所述的箱体组件(5),
-所述箱体组件具有泵(40),所述泵连接在所述驱动射流管路(34)上以用于产生驱动射流,
-所述泵(40)构造用于,抽吸所述箱体空间(12)的箱体内含物。
5.根据权利要求4所述的箱体组件(5),
-其中,所述泵(40)布置在所述涡流罐(20)中。
6.根据权利要求4或5中任一项所述的箱体组件(5),
-所述箱体组件具有切换阀(42)和取出管路(44),
-所述切换阀(42)构造用于,将所述泵(40)可切换地与所述驱动射流管路(34)连接或与所述取出管路(44)连接。
7.根据权利要求4或5中任一项所述的箱体组件(5),
-所述箱体组件具有第一阀、第二阀和取出管路(44),
-所述第一阀构造用于,将所述泵(40)可切换地与所述驱动射流管路(34)连接,并且
-所述第二阀构造用于,将所述泵(40)可切换地与所述取出管路(44)连接。
8.根据权利要求4至7中任一项所述的箱体组件(5),
-其中,所述泵(40)具有加热装置(46)。
9.根据前述权利要求中任一项所述的箱体组件(5),
-其中,所述抽吸射流管路(36)在所述箱体容器(10)的下侧(14)处在所述涡流罐(20)之外连接在所述箱体空间(12)上。
10.根据前述权利要求中任一项所述的箱体组件(5),
-其中,所述抽吸射流管路(36)围绕所述驱动射流管路(34)同轴地布置。
11.根据前述权利要求中任一项所述的箱体组件(5),
-所述箱体组件具有在所述箱体空间(12)中相邻于所述涡流罐(20)的加热装置(50)和/或在所述涡流罐(20)中的加热装置(52)。
12.根据前述权利要求中任一项所述的箱体组件(5),
-所述箱体组件具有所述驱动射流管路(34)的加热装置(38)和/或所述抽吸射流管路(36)的加热装置(38)和/或所述取出管路(44)的加热装置(48)。
13.根据前述权利要求中任一项所述的箱体组件(5),
-所述箱体组件具有在所述箱体空间(12)中位于喷嘴(32)和涡流罐(20)之间的输送管路(60),
-所述输送管路(60)构造用于,使从所述喷嘴(32)的排出开口(33)出来的液体指向于所述涡流罐开口(22)。
14.根据权利要求13所述的箱体组件(5),
-其中,所述输送管路(60)具有加热装置(62)。
15.根据前述权利要求中任一项所述的箱体组件(5),
-其中,所述驱动射流管路(34)和/或所述抽吸射流管路(36)在所述箱体空间(12)之外在所述箱体容器(10)的下侧(14)和上侧(16)之间被引导。
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JP2000356174A (ja) * | 1999-06-11 | 2000-12-26 | Fuji Heavy Ind Ltd | ジェットポンプ装置 |
DE102009011018A1 (de) * | 2009-02-28 | 2010-09-02 | Daimler Ag | Vorrichtung zum Zuführen eines Hilfsmittels zu einer Abgasnachbehandlungseinrichtung eines Kraftfahrzeugs |
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