公开(公告)号：US06435217B1

公开(公告)日：2002-08-20

申请号：US09571662

申请日：2000-05-15

申请人： Luciano Bertero ,  Donato Dimattia

发明人： Luciano Bertero ,  Donato Dimattia

IPC分类号： F16L1110

CPC分类号： F16L9/12 ,  F16L11/08 ,  F16L11/12 ,  F16L2011/047 ,  Y10T428/1393

摘要： A multilayer pipe for conducting fuel, in particular from a vehicle pump to the engine, and which is capable of withstanding pressures of over 100 bar, is impermeable to hydrocarbon vapors, and includes at least one inner layer of elastomeric material, preferably acrylonitrile/butadiene and hydrogenated acrylonitrile/butadiene; a barrier layer having at least one polyamide, preferably nylon 6/6.6 or mixtures of nylon and polypropylene; a reinforcing layer defined by a spun fabric having aramidic fibers, preferably TWARON® or KEVLAR®; and a cover layer of elastomeric material, preferably chlorinated polyethylene.

摘要翻译： 用于将燃料特别是从车辆泵引导到发动机并且能够承受超过100巴的压力的多层管道对于烃蒸气是不可渗透的，并且包括至少一个弹性材料内层，优选丙烯腈/丁二烯 和氢化丙烯腈/丁二烯; 具有至少一种聚酰胺，优选尼龙6 / 6.6或尼龙和聚丙烯的混合物的阻隔层; 由具有芳族聚酰胺纤维的纺织织物所限定的增强层，优选地是TWARON或KEVLAR; 以及弹性体材料的覆盖层，优选氯化聚乙烯。