A propeller blade (100) includes a foam core (104) having a slot formed through it from a camber side (125) to a face side (127). An internal stiffener (105) is disposed through the slot and includes flanges (107) in contact with both the camber and face sides (125, 127). A structural layer (106) surrounds at least a portion of the foam core (104) and is in contact with the flanges (107) on both the camber and face sides (125, 127).
Propeller blade with internal stiffener
Propellerblatt mit Innenversteifungsmittel
Pale d'hélice avec raidisseur interne
2019-06-05
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Modified blade stiffener and fabrication method therefor
Europäisches Patentamt | 2017
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