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1. 发明申请

WO2006052530A3 FLUID FILTER ARRANGEMENT AND METHOD OF SERVICIING THEREOF 审中-公开
标题翻译：流体过滤器布置及其维修方法
公开(公告)号：WO2006052530A3
公开(公告)日：2006-12-14
申请号：PCT/US2005039429
申请日：2005-10-31
申请人： DONALDSON CO INC , HACKER JOHN R , BRIELAND GUS E , HEIBENTHAL RANDALL WILLIAM , DEEDRICH DENNIS MICHAEL , WELZANT DAVID P , BOECKERMANN THOMAS A
发明人： HACKER JOHN R , BRIELAND GUS E , HEIBENTHAL RANDALL WILLIAM , DEEDRICH DENNIS MICHAEL , WELZANT DAVID P , BOECKERMANN THOMAS A
IPC分类号： B01D29/15 , B01D29/21 , B01D29/96 , B01D35/153 , B01D35/16
CPC分类号： B01D29/21 , B01D29/96 , B01D35/153 , B01D35/16 , B01D2201/291 , B01D2201/305
摘要： A filter cartridge is provided including a media pack, a valve arrangement, and first and second seal members. The seal members have different release forces associated with them. In one implementation, the different release forces are provided by having differing outermost dimensions (diameter, if circular). One of the seal members can be larger than the other seal member. In some arrangements, the relationship between the outermost dimension of the first seal member is 1.5 times the size of the outermost dimension of the second seal member. In another aspect, the disclosure provides a filter assembly including a filter bowl and a removable and replaceable filter cartridge operably mounted in the bowl. The filter cartridge includes a media pack, a valve arrangement, and a seal member forming a seal between the filter bowl and the filter cartridge. The seal blocks fluid flow from the interior of the filter bowl through a drain port defined by the filter bowl. In another aspect, the disclosure provides for a method of servicing a filter assembly. The method includes removing a filter bowl from a filter head to, first, release a seal between the filter bowl and the filter cartridge to open a drain port in the filter bowl. Next, fluid is drained from the filter bowl through the drain port. Next, the user continues to remove the filter bowl from the filter head to, second, release a seal between the filter cartridge and the filter head.
摘要翻译：提供一种滤筒，包括介质包，阀装置以及第一和第二密封件。密封件具有与它们相关的不同的释放力。在一个实施方案中，不同的释放力通过具有不同的最外尺寸（直径，如果为圆形）而提供。一个密封构件可以比另一个密封构件更大。在一些布置中，第一密封构件的最外尺寸之间的关系是第二密封构件的最外尺寸的1.5倍。在另一方面，本公开提供了一种过滤器组件，其包括可操作地安装在碗中的过滤碗和可移除和可更换的过滤器滤芯。过滤器滤芯包括介质包，阀装置和在滤筒和滤筒之间形成密封的密封件。密封件阻止流体从过滤碗的内部流过由过滤碗限定的排水口。在另一方面，本公开提供了一种维修过滤器组件的方法。该方法包括从过滤器头部移除过滤器碗，以首先释放过滤器滤筒和过滤器滤芯之间的密封，以打开滤筒中的排水口。接下来，流体通过排水口从过滤碗排出。接下来，用户继续从过滤器头部移除过滤器碗，第二，释放过滤器滤芯和过滤器头部之间的密封。

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