Cylinder for an internal comustion engine
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United States of America Patent
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N/A
Issued Date -
Dec 22, 2005
app pub date -
Mar 3, 2005
filing date -
Sep 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A cylinder for an internal combustion engine. A metallic ring (6) surrounds the top of the cylinder. An insulating ring (7) is provided at the top of the cylinder between the metallic ring and cylinder wall. The axial extent of the insulating ring (7) is less than that of the metallic ring (6) and is determined so that it diverts some of the heat away from the relatively poorly cooled zone towards the top of the cylinder, but does not significantly obstruct the heat flow to surrounding cooling channels (5).
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