Blade for aircraft rotary wings, with swept-back tip

Details Blade for aircraft rotary wings, with swept-back tip Blade for aircraft rotary wings, with swept-back tip

1993-03-24

1994-07-26

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416228, 416238, 416DIG5, B64C 1118

Patent

active

053323629

ABSTRACT:
The variation in the length of the chord L and the variation of the offset Y'f of the aerodynamic center are such that the leading edge (5) and the trailing edge (6) of the blade (1), along its longitudinal extent, exhibit no break, the overall aerodynamic center of said blade Being substantially situated on the pitch variation axis.

REFERENCES:
patent: 3066742 (1962-12-01), Castles, Jr.
patent: 3721507 (1973-03-01), Monteleone
patent: 3728045 (1973-04-01), Balch
patent: 4392781 (1983-07-01), Mouille et al.
patent: 4652213 (1987-03-01), Thibert et al.
patent: 4880355 (1989-11-01), Vuillet et al.
patent: 5035577 (1991-07-01), Damongeot
patent: 5137427 (1992-08-01), Shenoy
patent: 5174721 (1992-12-01), Brocklehurst

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