Cylinder head with integral tuned exhaust manifold

Details Cylinder head with integral tuned exhaust manifold Cylinder head with integral tuned exhaust manifold

2008-05-06

2008-05-06

Vo, Hieu T. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S193500

Reexamination Certificate

active

11375459

ABSTRACT:
Provided is a cylinder head including a head casting defining a plurality of exhaust ports. A tuned exhaust manifold is internally defined by the head casting. The tuned exhaust manifold includes a plurality of exhaust runners in communication with the plurality of exhaust ports and a collector volume in communication with the plurality of exhaust runners. Each of the plurality of exhaust ports and each of the plurality of exhaust runners are substantially oriented or directed toward the collector volume. Additionally, the head casting defines a main cooling jacket operable to cool the head casting. The head casting also defines an upper and lower cooling jacket disposed in heat exchange relation to the tuned exhaust manifold. The cylinder head casting may include integral spark plug tubes and cam drive case. Additionally, the cooling jackets may have a series coolant flow pattern or a parallel coolant flow pattern.

REFERENCES:
patent: 3186387 (1965-06-01), Kolbe et al.
patent: 6295963 (2001-10-01), Kollock et al.
patent: 6513506 (2003-02-01), Ito et al.
patent: 7051685 (2006-05-01), Hayman et al.
patent: 1006272 (2000-06-01), None
patent: 2709815 (1997-10-01), None

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