Patent ID: 8720905
Filing Date: 2014-05-13
Classification: F02F,F16J,Y10T

Abstract:
1. A sealed internal combustion (IC) engine assembly comprising: a cylinder block having a first sealing surface; a cylinder head having a second sealing surface; an engine cover defining a channel characterized by a channel height, channel width, and a channel depth, wherein the channel does not extend into the cylinder block or the cylinder head; a head gasket characterized by a thickness and including a protrusion characterized by a protrusion height, a protrusion width, and a protrusion depth, wherein the protrusion height is less than the channel height, the protrusion width is less than the channel width, and the protrusion depth is less than the channel depth; and a polymer sealant; wherein: the head gasket is placed and compressed between the first and second sealing surfaces to generate a cylinder block and head sub-assembly, the polymer sealant is located in the channel, and the engine cover is assembled with the cylinder block and head sub-assembly such that the protrusion extends into the channel to seal the IC engine assembly.