CN101754790A - 闭合环形式结合的过滤器介质和衬垫褶皱块及方法 - Google Patents

闭合环形式结合的过滤器介质和衬垫褶皱块及方法 Download PDF

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CN101754790A
CN101754790A CN200880010982A CN200880010982A CN101754790A CN 101754790 A CN101754790 A CN 101754790A CN 200880010982 A CN200880010982 A CN 200880010982A CN 200880010982 A CN200880010982 A CN 200880010982A CN 101754790 A CN101754790 A CN 101754790A
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迈克尔·J·赛尼塔
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Abstract

一种过滤器介质和衬垫褶皱块及方法，该方法涉及在匹配褶皱处熔化过滤器介质，以形成闭合环形式结合的过滤介质和衬垫褶皱块。

Description

闭合环形式结合的过滤器介质和衬垫褶皱块及方法
技术领域
本发明涉及过滤器介质和衬垫褶皱块。
背景技术
过滤器介质和衬垫褶皱块在现有技术中是已知的。一层过滤器介质和网筛衬垫沿轴向延伸的褶皱状弯折线打褶并卷绕成闭合环。褶皱块在远端相对的第一轴向端与第二轴向端之间沿轴向延伸的褶皱状弯折线轴向地延伸，所述轴向端可以嵌入在相应的第一轴向端帽和第二轴向端帽中，以提供过滤器元件。当过滤器介质和网筛衬垫起初绕闭合环卷绕成匹配褶状物时，在前述的轴向端向轴向端帽嵌入期间，这种匹配褶皱必须彼此间固定或者以其他方式保持就位。匹配褶皱也必须彼此密封，以保持过滤器的完整性且防止用于未过滤流体的旁通或泄漏通路。
本发明在研发过程中致力于简化过滤器介质和衬垫褶皱块及其制造方法，包括保持过滤器的完整性。
附图说明
图1是根据本发明的包括过滤器介质和衬垫褶皱块的过滤器元件的透视图。
图2是图1中一部分的放大图。
图3是沿图2的线3-3截取的剖面图。
图4是类似图3的视图，但示出了在先的制备步骤。
图5是沿图3的线5-5截取的剖面图。
图6类似于图3并示出了可替代的实施例。
图7是沿图6的线7-7截取的剖面图。
具体实施方式
图1示出了包括过滤器介质和衬垫褶皱块12的过滤器元件10，如图2、3所示，该过滤器介质和衬垫褶皱块由一层或多层过滤器介质14和网筛衬垫16组成，如图1-3所示，过滤器介质14和网筛衬垫16沿轴向延伸的褶皱状弯折线18打褶，并绕闭合环卷绕成匹配褶皱20和22。该轴向延伸的弯折线18在图1、2中沿上下方向延伸，在图3中沿进出页面的方向延伸。该褶皱块沿所述轴向延伸的弯折线18在远端相对的第一和第二轴向端24和26之间轴向地延伸，轴向端嵌入在相应的第一和第二轴向端帽28和30中，以形成过滤器元件10。待过滤的流体，例如空气、液体等如箭头32所示横向向内地通过过滤器介质流入所述闭合环内的中空内部34，然后如箭头34所示，作为洁净的过滤流体沿轴向向下流动到所保护的部件，例如内燃机或其他需要导入洁净的过滤流体的部件。正如所了解的那样，在轴向端24和26嵌入端帽28和30期间，匹配褶皱20和22必须彼此固定。而且，匹配褶皱20和22必须彼此密封，以保持过滤器的完整性，并防止未过滤的脏流体渗漏进入中空内部34内。包括夹子的不同的系统已在过去使用，以使匹配褶皱20和22在所述嵌入期间保持就位，并维持两者之间的密封，从而保持过滤器的完整性。为此，本发明提供一种改进的系统。
本方法的优选实施例涉及在匹配褶皱20和22处熔化该过滤器介质14，以形成闭合环形式结合的过滤器介质和衬垫褶皱块。如图3所示，过滤器介质在匹配褶皱20和22处熔化，流入网筛衬垫，使得来自匹配褶皱20的过滤器介质40熔化且流入该网筛衬垫，并与来自另一匹配褶皱22的熔化且流入网筛衬垫的过滤器介质42结合。在该优选的实施例中，网筛衬垫16是位于闭合环的内部且面对中空内部34的内部衬垫，并且过滤器介质14位于该闭合环的外部。
优选的方法涉及在匹配褶皱20和22处沿闭合环的外部超声波焊接过滤器介质。如图4所示，一对超声波焊接头44和46布置在匹配褶皱20和22远端的相对侧上。40和42处的过滤器介质位于相应的超声波焊接头与网筛衬垫之间，并在其间提供缓冲。过滤器介质通过网筛衬垫超声波焊接到其自身上。在一个实施例中，该过滤器介质是例如以粘接或者其他方式与金属的网筛衬垫结合的聚酯。这使该过滤器介质和衬垫保持在一起并提供了层状介质，该层状介质然后绕闭合环卷绕成所述的匹配褶皱20和22，匹配褶皱20和22然后通过在超声波焊接头44和46之间超声波焊接而结合，以形成所述的闭合环形式结合的过滤器介质和衬垫褶皱块。通过在匹配褶皱处将过滤器介质熔化，使之流入网筛衬垫，以使来自匹配褶皱20的过滤器介质熔化且流入网筛衬垫，并与来自另一匹配褶皱22的熔化且流入网筛衬垫的过滤器介质结合，使得过滤器介质在匹配褶皱20和22处通过网筛衬垫超声波焊接到其自身上。
至少一层且优选两层网筛衬垫48和50设置在匹配褶皱20与22之间。在优选的双层方案中，网筛衬垫16总是沿介质14延伸，从而当绕闭合环卷绕时，提供了双层网筛衬垫厚度，即，沿匹配褶皱20的网筛衬垫16的第一层48，和沿另一匹配褶皱22的网筛衬垫16的第二层50。在单层厚度网筛衬垫的方案中，在匹配褶皱处，网筛衬垫16的一部分在匹配褶皱中的一个处被省略，从而当绕闭合环卷绕时，只有一层网筛衬垫在匹配褶皱20与22之间延伸。
图6和7示出了替代的实施例，其中为便于理解，使用了与上面相似的附图标记。在网筛衬垫16的第一和第二层48和50之间设置额外的材料条52，优选设置额外的过滤器介质条。该方法涉及在匹配褶皱20、22的过滤器介质40、42的熔化期间，熔化额外的过滤介质材料条52，使得匹配褶皱20的过滤器介质40与匹配褶皱22的过滤器介质42通过两者之间的额外的熔化且结合的过滤器介质材料条52相结合。
本系统提供一种过滤器介质和衬垫褶皱块12，包括一层过滤器介质14和网筛衬垫16，过滤器介质14和网筛衬垫16沿轴向延伸的褶皱状弯折线18打褶并绕闭合环卷绕成匹配褶皱20和22。过滤器介质在匹配褶皱20、22处具有熔化部分40、42，以形成闭合环形式结合的过滤器介质和衬垫褶皱块。该过滤器介质的熔化部分40、42嵌入和再凝固在网筛衬垫上，使得匹配褶皱20处的过滤器介质40在网筛衬垫上具有熔化和再凝固部分，该熔化和再凝固部分与网筛衬垫上来自另一匹配褶皱22的熔化和再凝固的过滤器介质部分42结合。过滤器介质在熔化和再凝固部分40、42通过该网筛衬垫超声波焊接到其自身上。如图6所示，额外的材料层52，优选为过滤器介质材料可以设置在网筛衬垫的第一和第二层48和50之间，该额外的材料条52熔化和结合到匹配褶皱20和22的过滤器介质，使得匹配褶皱20的过滤器介质40与匹配褶皱22的过滤器介质42通过所述的额外的材料条52相结合。
在上述的描述中，为了简短、清晰和理解，使用了特定术语。其中，没有不必要的限制表示超过现有技术的要求，因为这些术语用于描述性的目的且意图用于广泛性的解释。此处描述的不同的结构、系统和方法步骤可以单独被使用或与其他结构、系统和方法步骤相结合使用。可以预期的是，能够在附属权利要求的范围内实现不同的等效、替换和修改。

Claims (24)

1.一种制备过滤器介质和衬垫褶皱块的方法，包括以下步骤：设置一层过滤器介质和网筛衬垫，所述过滤器介质和网筛衬垫沿轴向延伸的褶皱状弯折线打褶并绕闭合环卷绕成匹配褶皱，在所述匹配褶皱处熔化所述过滤器介质，以形成闭合环形式结合的所述过滤器介质和衬垫褶皱块。
2.根据权利要求1所述的方法，包括以下步骤：在所述匹配褶皱处将所述过滤器介质熔化，使之流入所述网筛衬垫，以使来自所述匹配褶皱中一个的过滤器介质熔化并流入所述网筛衬垫，并且与来自所述匹配褶皱中另一个的熔化并流入所述网筛衬垫的过滤器介质结合。
3.根据权利要求1所述的方法，其中，所述闭合环限定了一中空内部，所述网筛衬垫是位于所述闭合环的内部且面向所述中空内部的内部衬垫，所述过滤器介质位于所述闭合环的外部上。
4.根据权利要求3所述的方法，包括以下步骤：在所述匹配褶皱处，沿所述闭合环的所述外部超声波焊接所述过滤器介质。
5.根据权利要求4所述的方法，包括以下步骤：
在所述匹配褶皱的远端相对侧上布置一对超声波焊接头，且所述过滤器介质位于相应的所述超声波焊接头和所述网筛衬垫之间，并在相应的所述超声波焊接头与所述网筛衬垫之间提供缓冲；并且
通过所述网筛衬垫将所述过滤器介质超声波焊接到其自身上。
6.根据权利要求1所述的方法，其中，所述过滤器介质是与金属的所述网筛衬垫结合的聚酯。
7.根据权利要求1所述的方法，其中，所述褶皱块沿所述轴向延伸的褶皱状弯折线在第一轴向端与第二轴向端之间轴向地延伸，并且所述方法包括：将所述第一轴向端和第二轴向端嵌入相应的第一轴向端帽和第二轴向端帽中，以提供过滤器元件。
8.根据权利要求1所述的方法，其中，所述闭合环限定了一中空内部，所述网筛衬垫是位于所述闭合环的内部且面向所述中空内部的内部衬垫，所述过滤器介质位于所述闭合环的外部上，并且所述方法包括：通过在所述匹配褶皱的远端相对侧上布置一对超声波焊接头，且使所述过滤器介质位于相应的所述超声波焊接头与所述网筛衬垫之间，并在相应的所述超声波焊接头与所述网筛衬垫之间提供缓冲，使在所述匹配褶皱处沿所述闭合环的所述外部超声波焊接所述过滤器介质；以及通过在所述匹配褶皱处将所述过滤器介质熔化，使之流入所述网筛衬垫，以使来自所述匹配褶皱中一个的过滤器介质熔化并流入所述网筛衬垫，并且与来自所述匹配褶皱中另一个的熔化并流入所述网筛衬垫的过滤器介质结合，使得通过所述网筛衬垫将所述过滤器介质超声波焊接到其自身上。
9.根据权利要求2所述的方法，包括：在所述匹配褶皱之间设置至少一层所述网筛衬垫。
10.根据权利要求2所述的方法，包括：在所述匹配褶皱之间设置两层所述网筛衬垫，即，沿所述匹配褶皱中的所述一个的第一层所述网筛衬垫，和沿所述匹配褶皱中的所述另一个的第二层所述网筛衬垫。
11.根据权利要求10所述的方法，包括：在所述第一与第二层网筛衬垫之间设置一额外的材料条，并且在所述匹配褶皱中的所述一个和所述另一个的所述过滤器介质的所述熔化期间熔化所述额外的材料条，使得所述匹配褶皱中的所述一个的所述过滤器介质与所述匹配褶皱中的所述另一个的所述过滤器介质通过所述第一层和第二层网筛衬垫之间的所述额外的材料条而相结合。
12.根据权利要求11所述的方法，其中，所述额外的材料条是额外的过滤器介质条。
13.通过权利要求1所述的方法制备的过滤器介质和衬垫褶皱块。
14.一种过滤器介质和衬垫褶皱块，包括：一层过滤器介质和网筛衬垫，所述过滤器介质和所述网筛衬垫沿轴向延伸的褶皱状弯折线打褶并绕闭合环卷绕成匹配褶皱，且所述过滤器介质在所述匹配褶皱处具有熔化部分，以形成闭合环形式结合的所述过滤器介质和衬垫褶皱块。
15.根据权利要求14所述的过滤器介质和衬垫褶皱块，其中，所述过滤器介质的所述熔化部分嵌入并再凝固在所述网筛衬垫中，使得所述匹配褶皱中的一个处的所述过滤器介质在所述网筛衬垫中具有熔化和再凝固部分，所述熔化和再凝固部分与所述匹配褶皱中的另一个在所述网筛衬垫中的熔化和再凝固的过滤器介质部分结合。
16.根据权利要求14所述的过滤介质和衬垫褶皱块，其中，所述闭合环限定了一中空内部，所述网筛衬垫是位于所述闭合环的内部且面向所述中空内部的内部衬垫，并且所述过滤器介质位于所述闭合环的外部上。
17.根据权利要求14所述的过滤器介质和衬垫褶皱块，其中，所述过滤器介质在所述熔化和再凝固部分处通过所述网筛衬垫超声波焊接到其自身上。
18.根据权利要求14所述的过滤器介质和衬垫褶皱块，其中，所述过滤器介质是与金属的所述网筛衬垫结合的聚酯。
19.根据权利要求15所述的过滤器介质和衬垫褶皱块，其中，所述褶皱块在嵌入到第一轴向端帽和第二轴向端帽中的第一轴向端和第二轴向端之间沿所述轴向延伸的褶皱状弯折线轴向地延伸，以提供过滤器元件。
20.根据权利要求15所述的过滤器介质和衬垫褶皱块，在所述匹配褶皱之间包括至少一层所述网筛衬垫。
21.根据权利要求15所述的过滤器介质和衬垫褶皱块，在所述匹配褶皱之间包括两层所述网筛衬垫，即，沿所述匹配褶皱中的所述一个的第一层所述网筛衬垫，和沿所述匹配褶皱中的所述另一个的第二层所述网筛衬垫。
22.根据权利要求21所述的过滤器介质和衬垫褶皱块，在所述第一层网筛衬垫与第二层网筛衬垫之间包括一层额外的材料条，所述额外的材料条熔化和结合到所述匹配褶皱中的所述一个和所述另一个的所述过滤器介质，使得所述匹配褶皱中的所述一个的所述过滤器介质与所述匹配褶皱中的所述另一个的所述过滤器介质通过所述第一层和第二层网筛衬垫之间的所述额外的材料条相结合。
23.根据权利要求22所述的过滤介质和衬垫褶皱块，其中，所述额外的材料条是额外的过滤器介质条。
24.通过权利要求2所述方法生产的过滤器介质和衬垫褶皱块，所述过滤器介质和衬垫褶皱块包括一层过滤器介质和网筛衬垫，所述过滤器介质和所述网筛衬垫沿轴向延伸的褶皱状弯折线打褶并绕闭合环卷绕成匹配褶皱，所述过滤器介质在所述匹配褶皱处具有熔化部分，以形成闭合环形式结合的所述过滤器介质和衬垫褶皱块。
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