Gas seal for pumps
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United States of America Patent
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-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Dec 9, 1998
filing date -
Dec 9, 1998
priority date (Note) -
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Abstract
A gas seal construction for use on a pump to create a seal between the relatively rotatable pump shaft and housing. A shroud structure is disposed in close surrounding relationship to the shaft axially between the seal and the pump chamber for causing solid particles in the pump liquid to be returned to the pumping chamber.
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