Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bruno Seminel0
Stanislas Tutaj0
Date of Patent
August 2, 2022
0Patent Application Number
163840790
Date Filed
April 15, 2019
0Patent Primary Examiner
CPC Code
A method of manufacturing a spar for a propeller blade comprises forming a hollow inner core from a composite material, and then braiding carbon fibres around the inner core to form an outer spar structure. The hollow inner core may be formed using an inflatable bladder and a mould defining an outer shape of the spar. This construction avoids the need for a foam core to be provided within the spar.
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