Cylinder head for an internal combustion engine

Details Cylinder head for an internal combustion engine Cylinder head for an internal combustion engine

2009-09-24

2011-11-22

McMahon, M. (Department: 3783)

Power plants

Internal combustion engine with treatment or handling of...

Common receiver having inlets from plural cylinder

C123S193500

Reexamination Certificate

active

08061131

ABSTRACT:
A cylinder head adapted to be mounted to a cylinder block of an internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders. Each cylinder has at least one exhaust port, each leading to an individual duct. Individual ducts of outside cylinders converge to form an outside combined duct. In a four-cylinder, individual ducts of inside cylinders converge to form an inside combined duct with the inside combined duct remaining separated from the outside combined duct by the cooling jacket. The inside combined duct is farther away from the mounting surface of the cylinder head to the cylinder block than the outside combined duct. The cooling jacket includes: upper, middle, and lower cooling jackets and connectors between the upper and lower cooling jackets.

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Search Report for EP 08105481, dated Apr. 29, 2009.

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