Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jay S. Porter0
John R. Reynolds0
Date of Patent
February 19, 2008
0Patent Application Number
108276010
Date Filed
April 19, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An engine cooling fan system including a hub disc about which first and/or second pluralities of elongated fan blades characterized by a first and second respective pitch angles may be fastened. Each respective fan blade further comprises a hub-engaging portion, a twisted transition portion and an air-engaging portion. Each fan blade is formed from a composite material having a thermoset resin matrix phase and an evenly dispersed continuous fiber reinforcement phase.
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