Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ian Douglas Makinson0
Philip John Dickinson0
Subbarao Potharaju0
Date of Patent
April 19, 2005
0Patent Application Number
102616140
Date Filed
September 30, 2002
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An impeller includes a plastic disc, an annular array of vanes, a rotation support and regions of permanently magnetisable material. The plastic disc has an upper face and a lower face. The vanes are spaced around the periphery of the disc and extend from the upper face of the plastic disc. The rotation support is axially located and aligned through the disc. The regions of permanently magnetisable material encapsulated within said plastic disc for the formation of an annular array of magnetic poles.
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