Asymmetric planetary drive assembly for use in shakers
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United States of America Patent
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-
Oct 16, 2012
Grant Date -
Nov 10, 2011
app pub date -
Sep 14, 2010
filing date -
May 4, 2010
priority date (Note) -
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Abstract
A shale shaker comprises a base and at least one deck coupled to the base. The deck is configured to support a mud screen. The shake also comprises a support frame coupled to the base and further includes an asymmetric planetary drive assembly coupled to the support frame for vibrating the support frame and the deck. The asymmetric planetary drive assembly comprises a flywheel gearbox a planetary gear and at least one eccentric weight coupled to the planetary gear. The planetary gear comprises a central axis bore that receives a planetary gear shaft through a central hole in the planetary gear. The gearbox receives a main shaft through a central hole in the flywheel gearbox. The planetary gear shaft is offset from the main shaft. The eccentric weight is coupled to the planetary gear offset from the main shaft.
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