Cylinder head with integrated exhaust manifold

Details Cylinder head with integrated exhaust manifold Cylinder head with integrated exhaust manifold

2006-05-30

2006-05-30

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C060S321000

Reexamination Certificate

active

07051685

ABSTRACT:
A cylinder head for an internal combustion engine (ICE) includes a lower cooling jacket, an upper cooling jacket and an exhaust manifold disposed therebetween. The exhaust manifold enables exhaust of combustion gas from cylinders of the ICE. The lower cooling jacket has coolant flow paths in fluid communication with coolant flow paths of a cylinder block of the ICE. Coolant flow paths of the upper cooling jacket are in fluid communication with those of the lower cooling jacket through one of a plurality of passages. The passages can be selectively plugged to define coolant flow direction through the cylinder head. The upper and lower cooling jackets are in heat exchange relationship with surfaces of the exhaust manifold to cool exhaust gas flowing therethrough.

REFERENCES:
patent: 6513506 (2003-02-01), Ito et al.
patent: 1006272 (2000-06-01), None

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