Patent ID: 9109499
Filing Date: 2015-08-18
Classification: F02B,F02F,Y02T

Abstract:
1. An internal combustion engine, comprising: an engine block including at least one block fluid passage; a cylinder head attached to the engine block and including at least one head fluid passage in fluid communication with said at least one block fluid passage; a head gasket sealingly positioned at an interface between the engine block and the cylinder head; a first counter bore formed adjacent the interface in at least one of the cylinder head in the at least one head fluid passage and the engine block in the at least one block fluid passage, the first counter bore including an inside diameter and a transverse land; and a ferrule assembly including a ferrule and a first seal, the ferrule having an outer surface, the ferrule being positioned in at least one of the at least one block fluid passage and the at least one head fluid passage, and positioned in the first counter bore; wherein the first seal is located between the outer surface of the ferrule and the inside diameter of the first counter bore, and the outer surface of the ferrule and the inside diameter of the first counter bore exert a compression force on the first seal; wherein a gap exists between an end of the ferrule and the transverse land of the first counter bore; and wherein the ferrule further includes a protrusion and the first seal is located between the protrusion and the transverse land of the first counter bore formed in the cylinder head.