CN109311388B - 用于燃料蒸气环境的蒸气不可渗透电磁阀 - Google Patents
用于燃料蒸气环境的蒸气不可渗透电磁阀 Download PDFInfo
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Abstract
一种蒸气不可渗透电磁阀包含:外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;绕组,其被配置成在通电时产生磁通量;通量收集器,其被配置成引导所述磁通量;磁极片;和磁电枢,其安置于所述外壳内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道。所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
Description
相关申请的交叉引用
本申请要求2016年4月15日提交的第62/323,356号美国临时申请和2016年6月15日申请的第62/350,309号美国临时申请的权益,所述申请的内容以引用的方式并入本文中。
技术领域
本公开大体上涉及车辆燃料箱系统,且更具体地说,涉及具有蒸气不可渗透电磁阀组合件的燃料箱分离阀组合件。
背景技术
一些车辆包含专门设计的蒸发排放系统,以防止燃料蒸气逸出车辆的燃料系统。在一些系统中,利用阀以防止燃料蒸气直接排放到大气中。在典型的蒸发排放系统中,来自燃料系统的排出蒸气被导向含有活性炭的净化罐。活性炭可以是极其多孔的,这为吸附燃料蒸气和/或化学反应提供了大的表面面积。在一些发动机操作模式期间,借助于专门设计的控制阀,燃料蒸气吸附在罐内。随后,在其它发动机操作模式期间,且利用额外的控制阀,通过罐起飞吸取新鲜空气以将存储的燃料蒸气拉入发动机中以使其燃烧。
在具有电动和燃气发动机的混合动力车辆中,电动发动机可以使用延长的时间段且净化罐可能被燃料蒸气覆没。燃料箱分离阀组合件可用于防止燃料蒸气行进到净化罐并覆没净化罐。虽然这种系统适用于其既定目的,但仍需要一种改善型燃料箱分离阀组合件。
本文中提供的背景描述是出于大体上呈现本公开的上下文的目的。当前提出的发明人的工作在此背景技术部分中描述的程度上以及在提交时并未具有作为现有技术的资格的描述的方面既不明确地也不隐含地被认为针对本公开的现有技术。
发明内容
根据本公开的各方面,提供一种用于燃料箱分离阀组合件的蒸气不可渗透电磁阀。所述蒸气不可渗透电磁阀包含:外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;绕组,其被配置成在通电时产生磁通量;通量收集器,其被配置成引导所述磁通量;磁极片;和磁电枢,其安置于所述外壳内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道。所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
除了前文以外,所述所描述蒸气不可渗透电磁阀可包含以下特征中的一个或多个:其中所述第一位置是防止所述燃料蒸气流动到所述净化罐的密封位置,且所述第二位置是允许所述燃料蒸气流动到所述净化罐的非密封位置;其中所述磁电枢包含具有大体上截头锥形状的第一端;其中所述磁电枢包含具有延伸臂的第二端和联接到所述臂的密封件,所述密封件被配置成选择性地阻塞通道以防止燃料蒸气通过所述通道;其中所述封装线圈组合件进一步包含具有电枢部分和端子部分的线圈架;其中所述绕组围绕所述电枢部分安置,且端子联接到所述端子部分,所述端子电联接到所述绕组;安置于形成于所述端子部分中的凹槽内的电压抑制器、围绕所述绕组、所述线圈架和所述端子安置并至少部分地封装前述各项的封装材料、安置于所述线圈架和所述通量收集器内侧的电枢管;其中所述磁极片安置于所述电枢管内部;其中所述磁电枢包含形成于其中的至少一个凹槽,所述凹槽被配置成收纳轴承以便于所述磁电枢在所述电枢管内滑动;其中所述外部外壳是被配置成防止被燃料蒸气分子穿过的金属内衬。
根据本公开的各方面,提供一种用于燃料箱系统的燃料箱分离阀组合件,所述燃料箱分离阀组合件具有通过燃料蒸气排出管线联接到净化罐的燃料箱。所述燃料箱分离阀组合件包含具有蒸气入口端口和蒸气出口端口的排气通道、以可操作方式联接到所述排气通道的蒸气不可渗透电磁阀组合件。所述蒸气不可渗透电磁阀组合件包含:外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;绕组,其被配置成在通电时产生磁通量;通量收集器,其被配置成引导所述磁通量;磁极片;和磁电枢,其安置于所述外壳内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道,所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
除了前文以外,所述所描述燃料箱分离阀组合件可包含以下特征中的一个或多个:其中所述第一位置是防止所述燃料蒸气流动到所述净化罐的密封位置,且所述第二位置是允许所述燃料蒸气流动到所述净化罐的非密封位置;其中所述磁电枢包含具有大体上截头锥形状的第一端、具有延伸臂的第二端和联接到所述臂的密封件,所述密封件被配置成选择性地阻塞所述排气通道以防止燃料蒸气通过所述排气通道;和封装线圈组合件,其包含所述绕组的封装线圈组合件、具有电枢部分和端子部分的线圈架,和围绕所述绕组、所述线圈架和所述端子安置并至少部分地封装前述各项的封装材料,所述绕组围绕所述电枢部分安置,且端子联接到所述端子部分,所述端子电联接到所述绕组;安置于所述线圈架和所述通量收集器内侧的电枢管,其中所述磁极片安置于所述电枢管内部,其中所述磁电枢包含形成于其中的至少一个凹槽,所述凹槽被配置成收纳轴承以便于所述磁电枢在所述电枢管内滑动;且其中所述外部外壳是被配置成防止被燃料蒸气分子穿过的金属内衬。
根据本公开的各方面,提供一种车辆燃料箱系统。所述车辆燃料箱系统包含燃料箱、净化罐、流体联接所述燃料箱与所述净化罐的管道,和安置于所述管道内且被配置成选择性地流体隔离所述燃料箱与所述净化罐的燃料箱分离阀组合件。所述阀组合件包含具有蒸气入口端口和蒸气出口端口的排气通道,和以可操作方式联接到所述排气通道的蒸气不可渗透电磁阀组合件。所述蒸气不可渗透电磁阀组合件包含:外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;绕组,其被配置成在通电时产生磁通量;通量收集器,其被配置成引导所述磁通量;磁极片;和磁电枢,其安置于所述外壳内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道,所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
附图说明
根据详细描述和附图,将更完全理解本公开,在附图中:
图1是根据本公开的一个实例构造的燃料箱系统的示意图;
图2是根据本公开的一个实例的可在图1中示出的系统中使用的蒸气不可渗透电磁阀组合件的透视图;
图3是图2中示出的电磁阀组合件的分解视图;
图4是沿着线4-4截取的图2中示出的电磁阀组合件的横截面图;
图5是根据本公开的一个实例的图3中示出的封装线圈组合件的分解视图;且
图6是沿着线6-6截取的图3中示出的封装线圈组合件的横截面图。
具体实施方式
本发明教示实现防止电磁阀的内腔中的蒸气渗透。在一个实例中,电磁阀以内衬有深拉的金属内衬的方式构造,如在图1到6中根据本发明教示示出。应了解,鉴于本公开,燃料蒸气分子无法通过金属内衬。因为电磁阀的内腔可以构造成暴露于燃料蒸气,所以许多电磁阀也必须被构造成以使得蒸气无法逸出的其它情形。如果燃料蒸气将渗透装置,那么燃料蒸气会不合期望地进一步逸出到大气中。
还将理解,根据本公开,可以存在形成燃料蒸气渗透屏障的若干方式,但是,许多此类构造不具有磁效率,并因此可能需要额外的铜绕组以确保相同的性能。因此,可示出本发明教示以提供所需的性能而无需额外的铜绕组,同时防止燃料蒸气渗透到电磁阀外部。
首先参考图1,示出并大体上在标号10处标识根据本公开的一个实例构造的燃料箱系统。燃料箱系统10可大体上包含通过燃料供应管线16流体联接到内燃发动机14的燃料箱12。燃料蒸气排出管线18选择性地将来自燃料箱12的燃料蒸气供应到净化罐20以在其中存储。所存储燃料蒸气可随后通过排放管线22供应到车辆发动机14以在其中燃烧。
燃料箱分离阀组合件24可设置于燃料蒸气排出管线18中,以选择性地防止燃料蒸气从燃料箱12行进到净化罐20。因此,燃料箱隔离阀组合件24选择性地隔离燃料箱12内的燃料蒸气。在示范性实施例中,隔离阀组合件24被配置成通过入口端口26和出口端口28控制燃料箱12与净化罐20之间的蒸气流动。入口端口26可以流体联接到燃料蒸气排出管线18。
进一步参考图2到4,燃料箱分离阀组合件24可包含电磁阀组合件30。如图3中所示出,电磁阀组合件30可大体上包含外部外壳32、封装线圈组合件34、通量收集器36、电枢管38、磁极片40、一个或多个轴承42和磁电枢44。
在示范性实施例中,外壳32是被配置成防止被燃料蒸气分子通过的金属内衬。在一个实例中,外部外壳32由例如不锈钢等耐腐蚀材料制成。但是,外壳32可由使得外壳32能够如本文所述起作用的任何合适的材料制成。
另外参考图5和6,更详细地描述封装线圈组合件34。在示范性实施例中,封装线圈组合件34大体上包含线圈或绕组50、线圈架52、瞬态电压抑制器54、端子56和封装材料58。绕组50可以是铜并且可围绕线圈架52安置,所述线圈架可被配置成支撑和/或隔开绕组50、通量收集器36和/或电枢管38。
线圈架52可大体上包含电枢部分60和端子部分62。电枢部分60包含限定电枢收纳孔66的内壁64和收纳绕组50的外壁67。端子部分62包含收纳电压抑制器54的凹槽或凹穴68,且端子56插入到端子部分62中以电联接到绕组50。一旦已装配,那么封装材料58可接着围绕绕组50、线圈架52、电压抑制器54和端子56安置。
在实例实施例中,通量收集器36被配置成在外壳32的外径处收集通量并将通量引导到磁电枢44。电枢管38可安置于线圈架52和通量收集器36内侧。在一个实例中,电枢管38由耐腐蚀材料制成,以便于防止由于暴露于溶解于燃料中的水而在内径上形成腐蚀性表面。举例来说,电枢管38可以由例如allow 430 SST等铁磁体不锈钢制成。
磁极片40可安置于电枢管38的上部部分内。在一个实例中,磁极片40包含形成于其外表面72中的凹槽70。在安装期间,电枢管38的一部分可以压接或压入凹槽70中,以将磁极片40紧固于电枢管38内的所需位置中。但是,设想在电枢管38内紧固磁极片40的替代性方法(例如,通过焊接或紧固件)。如所示出,磁极片40可包含被配置成选择性地收纳磁电枢44的一部分的收纳孔74(图3)。在一些实例中,收纳孔74可以具有与磁电枢44的一部分的形状互补或大致互补的形状。
磁电枢44可以可滑动方式安置于电枢管38内,并可大体上包含具有第一端82和第二端84的主体80。主体80可包含一个或多个凹槽86(图3),所述凹槽被配置成各自收纳便于磁电枢44在电枢管38内滑动滑动的一个轴承42。如本文所讨论,第一端82可具有被配置成容纳于磁极片40的收纳孔74内的形状。在所说明实例中,收纳孔74和第一端82可具有截头锥或大体上截头锥的形状。但是,收纳孔74和第一端82可具有各种形状和大小。
第二端84可包含从主体80延伸的臂88。臂88可包含凹槽90或被配置成收纳密封件或其它特征92的其它特征,所述密封件或其它特征被配置成阻塞通道(未示出)并防止燃料蒸气从燃料箱12流到净化罐20。因而,臂88可以联接到燃料箱隔离阀组合件24的部分,且电枢44的移动可以选择性地拔出管道18以使燃料蒸气行进到净化罐20。
在操作中,燃料箱分离阀组合件24通常在密封位置与非密封位置之间移动。在密封位置,阀组合件24防止燃料蒸气从燃料箱12流到净化罐20。在未密封位置,阀组合件24使燃料蒸气能够从燃料箱12流到净化罐。在一个实例中,阀组合件24默认在密封位置中。
在通过端子56向绕组50提供电流时,感应出磁通量路径,所述磁通量路径沿着通量收集器36向上行进,跨越电枢管38并到达电枢44。磁通量致使电枢44关闭与磁极片40的间隙,由此向上移动电枢44并向上拉动臂88。此移动打开燃料箱分离阀组合件24并允许燃料蒸气行进到净化罐20。在一些实例中,在汽车加油期间(例如,当杠杆被拉动以打开燃料门时)以及当车辆转换到操作内燃发动机14时,阀组合件24通电(即,移动到未密封位置)。当例如利用电动机(未示出)时,阀组合件24可以断电(即,移动到密封位置)。
本文中描述了用于燃料蒸气不可渗透电磁阀组合件的系统和方法。所述系统包含设置于围绕封装线圈组合件、通量收集器、电枢管、磁极片和磁电枢安置的蒸气不可渗透外壳。电磁阀组合件的内腔可暴露于燃料蒸气而不允许燃料蒸气逸出。因此,所述系统防止蒸气渗透装置到环境。
已出于说明和描述的目的而提供对实例的前述描述。所述描述并非旨在是穷尽性的或限制本公开。具体实例的单独元素或特征通常不限于所述具体实例,但是在可适用时可互换并且可用于所选择的实例,即使未具体地示出或描述。特定实施例的个别元素或特征还可以多种方式变化。此类变化不应视为脱离本公开,且所有此类修改都旨在包含于本公开的范围内。
Claims (19)
1.一种用于燃料箱分离阀组合件的蒸气不可渗透电磁阀,所述蒸气不可渗透电磁阀包括:
外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;
绕组,其被配置成在通电时产生磁通量;
通量收集器,其被配置成引导所述磁通量;
电枢管,所述电枢管安置于通量收集器内侧;以及
磁极片,所述磁极片安置于所述电枢管内部;
磁电枢,其安置于所述电枢管内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道,所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
2.根据权利要求1所述的蒸气不可渗透电磁阀,其中所述第一位置是防止所述燃料蒸气流动到所述净化罐的密封位置,且所述第二位置是允许所述燃料蒸气流动到所述净化罐的非密封位置。
3.根据权利要求1所述的蒸气不可渗透电磁阀,其中所述磁电枢包含具有截头锥形状的第一端。
4.根据权利要求3所述的蒸气不可渗透电磁阀,其中所述磁电枢包含具有延伸臂的第二端和联接到所述臂的所述密封件,所述密封件被配置成选择性地阻塞允许燃料蒸气传到净化罐的通道以防止燃料蒸气通过所述通道。
5.根据权利要求1所述的蒸气不可渗透电磁阀,其进一步包括包含所述绕组的封装线圈组合件。
6.根据权利要求5所述的蒸气不可渗透电磁阀,其中所述封装线圈组合件进一步包含具有电枢部分和端子部分的线圈架。
7.根据权利要求6所述的蒸气不可渗透电磁阀,其中所述绕组围绕所述电枢部分安置,且端子联接到所述端子部分,所述端子电联接到所述绕组。
8.根据权利要求7所述的蒸气不可渗透电磁阀,其进一步包括安置于形成于所述端子部分中的凹槽内的电压抑制器。
9.根据权利要求7所述的蒸气不可渗透电磁阀,其进一步包括围绕所述绕组、所述线圈架和所述端子安置并至少部分地封装前述各项的封装材料。
10.根据权利要求1所述的蒸气不可渗透电磁阀,其中所述电枢管安置于所述线圈架内侧。
11.根据权利要求10所述的蒸气不可渗透电磁阀,其中所述磁电枢包含形成于其中的至少一个凹槽,所述凹槽被配置成收纳轴承以便于所述磁电枢在所述电枢管内滑动。
12.根据权利要求1所述的蒸气不可渗透电磁阀,其中所述外部外壳是被配置成防止被燃料蒸气分子穿过的金属内衬。
13.一种用于燃料箱系统的燃料箱分离阀组合件,其具有通过燃料蒸气排出管线联接到净化罐的燃料箱,所述燃料箱分离阀组合件包括:
排气通道,其具有蒸气入口端口和蒸气出口端口;以及
蒸气不可渗透电磁阀组合件,其以可操作方式联接到所述排气通道,所述蒸气不可渗透电磁阀组合件包括:
外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;
绕组,其被配置成在通电时产生磁通量;
通量收集器,其被配置成引导所述磁通量;
电枢管,所述电枢管安置于通量收集器内侧;以及
磁极片,所述磁极片安置于所述电枢管内部;
磁电枢,其安置于所述电枢管内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道,所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
14.根据权利要求13所述的燃料箱分离阀组合件,其中所述第一位置是防止所述燃料蒸气流动到所述净化罐的密封位置,且所述第二位置是允许所述燃料蒸气流动到所述净化罐的非密封位置。
15.根据权利要求13所述的燃料箱分离阀组合件,其中所述磁电枢包含具有截头锥形状的第一端、具有延伸臂的第二端和联接到所述臂的所述密封件,所述密封件被配置成选择性地阻塞所述排气通道以防止燃料蒸气通过所述排气通道。
16.根据权利要求14所述的燃料箱分离阀组合件,其进一步包括包含所述绕组的封装线圈组合件、具有电枢部分和端子部分的线圈架,和围绕所述绕组、所述线圈架和所述端子安置并至少部分地封装前述各项的封装材料,
其中所述绕组围绕所述电枢部分安置,且端子联接到所述端子部分,所述端子电联接到所述绕组。
17.根据权利要求16所述的燃料箱分离阀组合件,其中所述电枢管安置于所述线圈架内侧,
其中所述磁电枢包含形成于其中的至少一个凹槽,所述凹槽被配置成收纳轴承以便于所述磁电枢在所述电枢管内滑动。
18.根据权利要求13所述的燃料箱分离阀组合件,其中所述外部外壳是被配置成防止被燃料蒸气分子穿过的金属内衬。
19.一种车辆燃料箱系统,其包括:
燃料箱;
净化罐;
管道,其流体联接所述燃料箱与所述净化罐;以及
燃料箱分离阀组合件,其安置于所述管道内且被配置成选择性地流体隔离所述燃料箱与所述净化罐,所述燃料箱分离阀组合件包括:
排气通道,其具有蒸气入口端口和蒸气出口端口;以及
蒸气不可渗透电磁阀组合件,其以可操作方式联接到所述排气通道,所述蒸气不可渗透电磁阀组合件包括:
外部外壳,其由被配置成防止被燃料蒸气分子穿过的蒸气不可渗透材料制成;
绕组,其被配置成在通电时产生磁通量;
通量收集器,其被配置成引导所述磁通量;
电枢管,所述电枢管安置于通量收集器内侧;以及
磁极片,所述磁极片安置于所述电枢管内部;磁电枢,其安置于所述电枢管内且联接到密封件,所述密封件被配置成选择性地密封允许燃料蒸气传到净化罐的通道,所述磁电枢被配置成在电流施加到所述绕组时从第一位置移动到第二位置。
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2017
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- 2017-04-14 EP EP17783293.8A patent/EP3442819B1/en active Active
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US20190048829A1 (en) | 2019-02-14 |
US10895223B2 (en) | 2021-01-19 |
EP3442819B1 (en) | 2024-02-28 |
US11268480B2 (en) | 2022-03-08 |
US20210088005A1 (en) | 2021-03-25 |
EP3442819A4 (en) | 2019-12-18 |
CN109311388A (zh) | 2019-02-05 |
WO2017181084A1 (en) | 2017-10-19 |
EP3442819A1 (en) | 2019-02-20 |
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