本发明涉及一种用于燃料储箱(4)的壁(10)的开口(3)的密封装置(1)的多瓣密封件(100),该多层结构的壁(10)具有至少一层燃料阻隔材料层(11)和在该多层结构的壁(10)中的开口(3),该多瓣密封件(100)对燃料不可渗透,并且能够布置为在燃料储箱(4)的多层结构的壁(10)的开口(3)处在燃料储箱(4)的多层结构的壁(10)的燃料阻隔材料层(11)与部件(2)之间相接触(11A)。根据本发明,所述多瓣密封件(100)在能够与多层结构的壁(10)的燃料阻隔材料层(11)接触(11A)的面(103)上包括至少两个突起(104、104A),其中一个突起(104)压抵在多层结构的壁(10)的燃料阻隔材料层(11)上。
A multi-lobe seal for a sealing device for sealing an opening in a multi-layer wall of a fuel tank, the multi-layer wall having a layer of fuel barrier material and an opening in the multi-layer wall, the multi-lobe seal being fuel-impermeable and capable of being positioned in contact, at the opening in the multi-layer wall of the fuel tank, between the layer of fuel barrier material of the multi-layer wall of the fuel tank and a component, is disclosed. The multi-lobe seal includes, on the face capable of being in contact with the layer of fuel barrier material of the multi-layer wall, at least two protrusions, one of which leans on the layer of fuel barrier material of the multi-layer wall.
多瓣密封件和包括这种密封件的密封装置
2023-05-26
Patent
Elektronische Ressource
Chinesisch