Vertical take off and landing aircraft
US-12280869-B2 · Apr 22, 2025 · US
US8960595B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8960595-B2 |
| Application number | US-201213720773-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 19, 2012 |
| Priority date | Jul 31, 2006 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Embodiments of the subject invention relate to an air vehicle and a power source. Embodiments can operate at reasonable power levels for hovering and withstanding expected wind gusts. Embodiments can have a diameter less than 15 cm. Embodiments can have one or more smooth (continuous curvature) surface and can be operated using electromagnetic and electrohydrodynamic principles. The wingless design of specific embodiments can allow operation with no rotating or moving components. Additional embodiments can allow active response to the surrounding flow conditions. The issue of low lift to drag ratio and degradation of airfoil efficiency due to the inability of laminar boundary layers attachment can also be significantly reduced, or eliminated. The electromagnetic force can be generated by applying a pulsed (alternating/rf) voltage between a set of grounded and powered electrodes separated by a polymer insulator, dielectric, or other material with insulating properties.
Opening claim text (preview).
The invention claimed is: 1. An air vehicle, comprising: a body having an aperture therethrough; a plurality of electrode pairs positioned proximate a surface of the body; and a voltage source, where the voltage source applies a corresponding plurality of voltages across the plurality of electrode pairs, wherein application of the plurality of voltages across the plurality of electrode pairs creates a corresponding plurality of dielectric barrier discharges that creates a corr…
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