A blade element is provided and includes courses of bias plies continuously machine-wrapped about leading and trailing edges at an angle relative to a long axis of the blade axis and unidirectional plies interwoven in parallel with the long axis between adjacent courses of the bias plies on upper and lower surfaces to promote respective tangential geometries of the bias plies at the leading and trailing edges, the unidirectional plies not extending into the leading and trailing edges.
Rotor blade spar formation with automated fiber placement
2019-09-10
Patent
Elektronische Ressource
Englisch
IPC: | B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B64C AEROPLANES , Flugzeuge |
ROTOR BLADE SPAR FORMATION WITH AUTOMATED FIBER PLACEMENT
Europäisches Patentamt | 2017
|Metal/Composite Hybrid Rotor Blade Spar Construction
SAE Technical Papers | 1975
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