Eccentric roundel structure for compressing diaphragm pump with multiple effects
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Apr 29, 2015
filing date -
May 20, 2014
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Abstract
A cylindrical or inverted frustoconical eccentric roundel structure for a compressing diaphragm pump includes an annular positioning groove, a vertical or frustoconical flank and a sloped top ring extending between the annular positioning groove and the vertical or inverted frustoconical flank. By providing the sloped top ring, the oblique high frequency pulling and squeezing phenomenon that occurs in a conventional tubular eccentric roundel is completely eliminated.
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