Centrifugal pump systems
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United States of America Patent
Stats
-
N/A
Issued Date -
Apr 30, 2009
app pub date -
Oct 24, 2007
filing date -
Oct 24, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pumping system for pumping a mixture, e.g. a drilling fluid mixture, containing liquid and solids, the pumping system including a container, centrifugal pump apparatus for pumping the mixture, the pump apparatus including a pump shaft, a drive motor, a shaft packing structure, and bearing apparatus around the pump shaft, the packing structure, bearing apparatus and part of the pump shaft within an enclosed non-vented housing. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 CFR 1.72(b).
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