Bearing module for a vacuum pump
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United States of America Patent
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Jun 19, 2012
Grant Date -
May 15, 2008
app pub date -
Nov 9, 2007
filing date -
Nov 11, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bearing module for supporting a rapidly rotatable shaft of a vacuum pump includes a rolling bearing for supporting rotatably the shaft, a reservoir for a lubricant having an element forming a sliding contact with a delivery structure supported on the shaft for delivery of the lubricant in the rolling bearing under action of centrifugal forces generated during rotation of the shaft, and a radial delivery element provided on a side of the rolling bearing opposite a side of the bearing at which the delivery structure is located, for returning the lubricant to the reservoir.
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