Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John P. Franz0
Date of Patent
November 10, 2009
0Patent Application Number
108279650
Date Filed
April 19, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The described embodiments relate to fans units. One exemplary fan unit includes a housing supporting a motor. The fan unit also includes an impeller coupled to the motor and configured to be rotated by the motor. The impeller comprises at least a first structure configured to move air past the housing and at least one second different structure configured to force air into the housing.
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