Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 25, 2010
Patent Application Number
11427107
Date Filed
June 28, 2006
Patent Primary Examiner
Patent abstract
A turbofan engine has a fan on a front side thereof and a turbine driving the fan. The turbofan engine includes a disk rotationally driven by the turbine, a spinner detachably mounted at a front side of the disk, a spiral blade integrally mounted on a surface of the spinner, and a rear moving blade detachably mounted on an outer circumferential surface of the disk. The spiral blade and the rear moving blade form a first-stage moving blade of the fan.
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