Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 27, 2010
Patent Application Number
11804292
Date Filed
May 17, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fan impeller having fan blades, a base plate, a support ring and fasteners to releasably hold the fan blades between the base plate and the support ring. The base a plate includes channels each having two or more sockets that receive and releasably seat at least a portion of the fan blade. The position of the fan blade relative the axis of rotation of the impeller can be selected from the two or more sockets. The support ring includes grooves in which at least a portion of the fan blade releasably seats to hold the fan blades static relative the base plate and the support ring. The fasteners can extend between the base plate and the support ring to releasably hold the two or more blades.
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