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    • 3. 发明申请
    • MLS GASKET WITH WIRE RING STOPPER
    • MLS GASKET带线环式止动器
    • WO2003083331A1
    • 2003-10-09
    • PCT/US2003/008991
    • 2003-03-24
    • DANA CORPORATIONWIEGERT, Joel, E.POPIELAS, Frank, W.MOCKENHAUPT, Martin
    • WIEGERT, Joel, E.POPIELAS, Frank, W.MOCKENHAUPT, Martin
    • F16J15/08
    • F16J15/0825F16J2015/0862
    • A multi-layer steel cylinder head gasket (10) includes a spacer layer (26) between two beaded mirror image outer layers (30, 32). A wire ring stopper (24) extends about the boundary of a combustion opening (16) in the stopper layer (20); the ring is radially spaced from the mirror image beaded outer layer extremities (46, 48). The ring is covered by a flange folded thereover; the flange extends radially outwardly to overlie the boundary edge of the stopper layer at the combustion opening (16). The stopper ring pre-stresses the gasket interface at the combustion opening upon securement of a cylinder head to an engine block. Because the stopper ring is spaced from the beaded outer layers, the stresses imposed on the wire ring are decoupled from the beaded outer layers, and lower incidences of bead cracking are realized. In addition, the wire ring diameter is greater than the thickness of the stopper layer, reducing unnecessary compression loads on the stopper layer.
    • 多层钢制气缸盖衬垫(10)包括在两个串联的镜像外层(30,32)之间的间隔层(26)。 线环止动器(24)围绕止动层(20)中的燃烧口(16)的边界延伸; 环与镜像珠状外层末端(46,48)径向间隔开。 环被折叠在其上的法兰覆盖; 凸缘沿径向向外延伸以覆盖在燃烧口(16)处的阻挡层的边界边缘。 当气缸盖固定到发动机缸体上时,止动环在燃烧口处预先施加垫圈接口。 由于止动环与珠状外层隔开,所以施加在线圈上的应力与珠状外层分离,实现了较小的胎圈裂纹发生率。 此外,线环直径大于止动层的厚度,减少了止动层上的不必要的压缩载荷。