B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 21/04 (2006.01) B64C 3/48 (2006.01) B64C 11/20 (2006.01) B64C 21/08 (2006.01)
Patent
CA 2446714
Upper surface (13) of an aerofoil (or rotor blade) is provided with nozzles or slots (14, 16) at leading portion (15) and trailing portion (17) to assist attachment of airflow by discharging gas towards trailing edge (11). Gas discharged may be heated, eg coming from rocket-type combustion chambers within the aerofoil. The aerofoil may be adjustable between high profile (as shown) and low profile (for supersonic flight) using jacks that pivot sections of upper surface (13) at leading and trailing edges (10-11).
L'invention concerne la surface supérieure (13) d'un aileron (ou d'une pale de rotor) pourvue de buses ou de fentes (14, 16) sur la partie avant (15) et la partie arrière (17) pour contribuer à l'adaptation du flux d'air au moyen d'une décharge de gaz en direction du bord arrière (11). Le gaz ainsi propulsé peut être chauffé, à savoir il peut provenir de chambres de combustion de type fusées disposées à l'intérieur de l'aileron. Cet aileron est réglable entre un profil haut (voir illustration) et un profil bas (pour vols supersoniques) au moyen de mécanismes de levage qui font pivoter des parties de la surface supérieure (13) sur les bords avant et arrière (10-11).
Grove Graham Bond
Riches Mckenzie & Herbert Llp
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