Hydrodynamic bearing with bearing surface having branched grooves
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United States of America Patent
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Dec 28, 2010
Grant Date -
Jul 3, 2008
app pub date -
Mar 16, 2007
filing date -
Dec 29, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydrodynamic bearing (300) has a bearing surface adapted for receiving a shaft to rotate thereon. The bearing surface has a plurality of grooves (34) defined therein. The grooves are used for generating hydrodynamic pressure. A depth of each of the grooves is changed in a sloping trend along the extension direction of the groove.
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