Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 26, 2008
Patent Application Number
11354918
Date Filed
February 16, 2006
Patent Primary Examiner
Patent abstract
A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion in the form of a curved cavity for increasing an airflow intake of the fan, and the base is disposed within the housing and has a bottom portion and a pressurizing portion. The pressurizing portion is disposed around the bottom portion for increasing an air pressure of the fan. The supporting elements are connected to the housing and the pressurized portion of the base. The impeller is disposed within the housing and supported by the base.
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