Cylinder with hybrid bore surface
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 30, 1997
Grant Date -
N/A
app pub date -
Jul 22, 1994
filing date -
Jul 22, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An internal combustion engine cylinder bore has a hybrid surface to optimize both wear of the cylinder and oil consumption of the engine. The surface has a coarsely honed surface over at least one of a top portion and a bottom portion of the bore surface. A mid-portion disposed between the top portion and the bottom portion has a finely honed surface.
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