Self-lubricating composite bearing
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United States of America Patent
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Jun 11, 2013
Grant Date -
May 26, 2011
app pub date -
Nov 23, 2009
filing date -
Nov 23, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A self-lubricating composite bearing includes a casing and a bearing set. The bearing set comprises at least two bearing members. The casing axially defines an accommodation space through two opposite ends thereof for mounting the bearing set therein. An axial hole is defined through two opposite ends of the bearing set for the insertion of a shaft. The bearing set includes at least one neck portion. At least one storage chamber is defined between an inner surface of the casing and an outer surface of the at least one neck portion of the bearing set and stores a higher viscosity lubricant therein. At least one fine flow passage is defined through the at least one neck portion of the bearing set. The at least one storage chamber is in fluid communication with the axial hole of the bearing set via the at least one fine flow passage.
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