Rotor blade construction for circulation control aircraft

Details Rotor blade construction for circulation control aircraft Rotor blade construction for circulation control aircraft

1984-10-25

1986-12-02

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Air and watercraft propellers

416 20R, B64C 2108

Patent

active

046261710

ABSTRACT:
A circulation control aircraft rotor blade having a spanwise Coanda surface 16 and a plurality of spanwise extending flexible composite material panels 18 cooperating with the surface to define slots for the discharge of compressed air from within the blade with each panel having first flexure means 60 associated with screw adjustments 36 for establishing a slot opening preload and second flexure means 62 associated with screw adjustments 38 for establishing a slot maximum opening.

REFERENCES:
patent: 3139936 (1964-07-01), Davidson et al.
patent: 3172620 (1965-03-01), Darby
patent: 3524711 (1970-08-01), Cheeseman et al.
patent: 3554664 (1971-01-01), Cheeseman et al.
patent: 3873233 (1975-03-01), Linck
patent: 4137008 (1979-01-01), Grant et al.
patent: 4463920 (1984-08-01), Nichols et al.

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