Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Reexamination Certificate
2007-06-26
2007-06-26
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Cooling
With jacketed head and/or cylinder
C123S04182R
Reexamination Certificate
active
11300248
ABSTRACT:
The present invention provides an engine cooling method and apparatus. The engine cooling apparatus includes a cylinder block having a cylinder head mounted thereto. The cylinder block defines an inlet passage and a block jacket in fluid communication with the inlet passage. The cylinder head defines a lower cylinder head jacket in fluid communication with the block jacket, and an upper cylinder head jacket in fluid communication with the lower cylinder head jacket. The lower cylinder head jacket includes a plurality of nozzles configured to direct engine coolant and thereby provide cooling to portions of the cylinder head located near a plurality of exhaust ports, a plurality of injector ports, and a plurality of intake ports.
REFERENCES:
patent: 5765282 (1998-06-01), Sweetland et al.
patent: 7051685 (2006-05-01), Hayman et al.
Lever Stephen J.
Moran Robert J.
Schlautman Jeffrey A.
Zurk Andreas
Ali Hyder
Cronin Stephen K.
GM Global Technology Operations Inc.
Kajander John E.
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