Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VERTICAL TAKEOFF AND LANDING AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO2003004353
Kind Code:
A3
Abstract:
An aerial vehicle (10) including a toroidal fuselage (12) having a longitudinal axis (14), and a duct (16) extending along the longitudinal axis (14) between a leading edge (18) and a trailing edge (20) of the fuselage (12), first and second counter-rotating, variable pitch rotor assemblies (22, 24) coaxially mounted within the duct (16) of the fuselage (12), and at least one canard wing (26) secured to the toroidal fuselage (12) and having a leading edge (28) positioned out of the duct (16) of the fuselage (12) and axially forward of the leading edge of the fuselage (12), wherein at least a portion of the canard wing (26) comprises a control surface having a variable angle of attack. The invention provides an aerial vehicle (10) that can take-off and land vertically, hover for extended periods of time over a fixed spatial point, and operated in confined areas. The aerial vehicle (10) also has the ability to transition between a hover and high speed forward flight.

Inventors:
PLUMP JOHN M
GUPTA NEIL R
Application Number:
US0221604W
Publication Date:
September 18, 2003
Filing Date:
July 08, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
THE CHARLES STARK DRAPER LABORATORY, INC.
International Classes:
B64C29/02; B64C39/02; B64C39/06; (IPC1-7): B64C39/00
Foreign References:
US6450445B12002-09-17
USRE36487E2000-01-11
US4795111A1989-01-03
US5295643A1994-03-22
US4037807A1977-07-26
US6270038B12001-08-07
US5419513A1995-05-30
Download PDF: