Passively stable hovering system
First Claim
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1. In a passively stable hovering system, the combination comprising:
- (a) apparatus defining a principal central axis in hover mode, and including multiple upright ducts spaced about said axis,(b) multiple fluid momentum generators, at least one in each of said ducts, to effect axial flow of fluid in the ducts,(c) and fluid flow deflector means extending in flow deflecting relation with said axially flowing fluid, and angled to deflect the fluid flow away from said central axis, in such manner as to provide stability,(d) said ducts having exit nozzles and said deflector means projecting axially and outwardly from the central axis and below each of said duct exit nozzles.
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Abstract
A flight system capable of passively stable hover comprises an apparatus defining a vertical axis, and including multiple upright ducts spaced about the axis; fluid momentum generators in the ducts to effect flow of fluid downwardly in the ducts; and fluid flow deflector structure in the path of the downwardly flowing fluid, and angled to deflect the fluid flow away from the axis, in such manner as to provide stability in hover of the apparatus.
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Citations
14 Claims
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1. In a passively stable hovering system, the combination comprising:
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(a) apparatus defining a principal central axis in hover mode, and including multiple upright ducts spaced about said axis, (b) multiple fluid momentum generators, at least one in each of said ducts, to effect axial flow of fluid in the ducts, (c) and fluid flow deflector means extending in flow deflecting relation with said axially flowing fluid, and angled to deflect the fluid flow away from said central axis, in such manner as to provide stability, (d) said ducts having exit nozzles and said deflector means projecting axially and outwardly from the central axis and below each of said duct exit nozzles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification