Piston with cooling channel
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United States of America Patent
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-
Sep 7, 1999
Grant Date -
N/A
app pub date -
Jun 26, 1998
filing date -
Dec 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A light-metal piston has a sheet-metal cooling channel integrally cast in the piston head. In order to improve the heat transfer between the piston material and the cooling channel and to reduce the manufacturing costs of the cooling channel, the channel has a narrow slit, which allows oil to pass, extending along at least part of the channel wall.
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