Controllable winglets

Details Controllable winglets Controllable winglets

2007-06-15

2010-06-29

Collins, Timothy D (Department: 3644)

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

C244S199100, C244S199200, C244S199300

Reexamination Certificate

active

07744038

ABSTRACT:
Systems and methods for providing variable geometry winglets to an aircraft are disclosed. In one embodiment, a winglet includes a base portion configured to attach to a wing. The winglet further includes a body portion. In turn, the body portion includes at least one of a deflectable control surface, a shape memory alloy (SMA) bending plate, and a SMA torque tube. The base portion is configured to attach to the wing such that the body portion projects at an upward angle from the wing.

REFERENCES:
patent: 4245804 (1981-01-01), Ishimitsu et al.
patent: 4247063 (1981-01-01), Jenkins
patent: 4382569 (1983-05-01), Boppe et al.
patent: 4598885 (1986-07-01), Waitzman
patent: 4671473 (1987-06-01), Goodson
patent: 4722499 (1988-02-01), Klug
patent: 4808246 (1989-02-01), Albrecht et al.
patent: 5114104 (1992-05-01), Cincotta et al.
patent: 5275358 (1994-01-01), Goldhammer et al.
patent: 5348253 (1994-09-01), Gratzer
patent: 5407153 (1995-04-01), Kirk et al.
patent: 5634613 (1997-06-01), McCarthy
patent: 5988563 (1999-11-01), Allen
patent: 6065934 (2000-05-01), Jacot et al.
patent: 6182929 (2001-02-01), Martin et al.
patent: 6345790 (2002-02-01), Brix
patent: 6394397 (2002-05-01), Ngo et al.
patent: 6427948 (2002-08-01), Campbell
patent: 6484968 (2002-11-01), Felker
patent: 6497600 (2002-12-01), Levy et al.
patent: 6578798 (2003-06-01), Dizdarevic et al.
patent: 6827314 (2004-12-01), Barriety
patent: 6886778 (2005-05-01), McLean
patent: 6916035 (2005-07-01), Houser et al.
patent: 7028954 (2006-04-01), Van Dam et al.
patent: 7207526 (2007-04-01), McCarthy
patent: 2004/0000619 (2004-01-01), Barriety
patent: 2004/0155157 (2004-08-01), Bray
patent: 2007/0114327 (2007-05-01), Dees et al.
patent: 10313290 (2004-10-01), None
patent: 1531126 (2005-05-01), None
patent: 2282996 (1995-04-01), None
patent: WO03000547 (2003-01-01), None
patent: WO2007031732 (2007-03-01), None
Shelton et al, “Active Multiple Winglets for Improved Unmanned-Aerial-Vehicle Performance”, Journal of Aircraft, vol. 43, No. 1, Jan.-Feb. 2006, p. 110-116.
PCT Intl Search Report and Written Opinion for Application No. PCT/US2008/064719, dated Apr. 6, 2009, 14 pgs.

Affiliated with

Also associated with

Rating

Controllable winglets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Controllable winglets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controllable winglets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4174948