Low friction engine cylinder and production method therefor
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United States of America Patent
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Dec 8, 1998
Grant Date -
N/A
app pub date -
Feb 3, 1995
filing date -
Feb 3, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A slidably engaged surface of a sliding member has a first travel length portion formed of a composite material providing a small contact angle with respect to lubricating oil and an adjoining second travel length portion formed of a composite material providing a higher contact angle with the lubricating oil. The first length portion preferably corresponds to boundary and mixed lubricating areas and the second length portion corresponds to a fluid lubricating area.
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