Anti-friction thrust bearing centering device for hermetic refrigeration compressors
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United States of America Patent
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Issued Date -
Mar 15, 2007
app pub date -
Sep 13, 2005
filing date -
Sep 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device for centering anti-friction thrust bearings, used in hermetic refrigeration compressors may comprise a cylindrical segment with an internal circular rim and an elevated step-like upper face over the circular rim and along an internal border of the circular rim. The cylindrical segment may sit in an internal housing of an axle inside a motor, and may be guided by an external diameter of an axle hub that fits over the anti-friction thrust bearing with the internal circular rim supporting a lower washer of the anti-friction thrust bearing. Essentially frictionless rotation of the axle within the bearing may be provided by eliminating most radial displacements of components of the anti-friction thrust bearing.
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