Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alan Lin Kao0
David Wayne Chilcoat0
Lance Travis Robinson0
Date of Patent
June 2, 2015
0Patent Application Number
132764490
Date Filed
October 19, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An impeller vane includes at least one groove on a high pressure or working surface of the impeller vane to increase pump efficiency and reduce pump power requirements. The impeller vane includes a groove or a plurality of grooves formed on the high pressure surface of the vane. The grooves extend from a leading end of the vane to a trailing end of the vane. The grooves define ridges on either side of each groove that extend the length of the groove.
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