Patent ID: 8109520
Filing Date: 2012-02-07
Classification: F16J

Abstract:
1. A cylinder head gasket comprising: at least one metal plate having a plurality of cylinder bores arranged linearly, a plurality of liquid holes, and a plurality of bolt holes, sealing beads formed around the cylinder bores and the fluid holes, and a parting bead formed separately from the sealing beads, wherein the at least one metal plate is divided, in a plan view, into four areas including a front side and a rear side, and an intake side and an exhaust side by two straight lines perpendicular to each other to have equal surface areas, respectively, said two straight lines having a vertical line and a horizontal line, wherein the vertical line bisects the at least one metal plate, and the horizontal line is not aligned with a horizontal line through the centers of the cylinder bores; a total length of the sealing beads in each of the four areas is obtained to find a first area having a longest total length of the sealing beads and a last area having a total length of the sealing beads less than 95% of the longest total length of the sealing beads in the first area, and the parting bead is added to the last area such that a total length of the sealing bead and the parting bead therein is between 95% and 100% of the longest total length of the sealing beads in the first area.