Scroll pump having pockets formed in an axial end face of a scroll wall
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United States of America Patent
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Jun 10, 2014
Grant Date -
May 31, 2012
app pub date -
Aug 3, 2010
filing date -
Aug 14, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
In some examples, a scroll pump 10 may include two scrolls, which are co-operable for pumping fluid from an inlet to an outlet on relative orbiting motion of the scrolls. Each scroll may include a respective scroll base from which a respective scroll wall extends generally axially towards the base of the opposing scroll. At least a first portion of one or each of the respective scroll walls has formed in an axial end face thereof a plurality of pockets distributed along the first portion for disrupting leakage of fluid from a high pressure side of the scroll wall to a low pressure side of the scroll wall.
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