STRESS REDUCTION FOR PULVERIZER MAIN SHAFT VIA FLEXIBLE STRUCTURE
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United States of America Patent
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Issued Date -
Nov 20, 2008
app pub date -
May 15, 2007
filing date -
May 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A yoke bushing that reduces the cyclic movement between the main shaft of a ball-and-race type coal pulverizer, thereby resulting in longer shaft life and reduced incidences of shaft failure. The yoke bushing is comprised of a flexible structure that provides individual contact areas which will have, at the same locations, equal stress fields between the main shaft and the yoke bushing.
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