Radioisotope fueled rotary actuator for micro and nano vehicles
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jul 12, 2012
app pub date -
Jun 21, 2010
filing date -
Jun 21, 2010
priority date (Note) -
Expired
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Abstract
The invention provides an actuator apparatus and method where a source provides electrons to a target material wherein electrical work is performed. A beta emission process comprises a source material emitting electrons which are then captured by a target material. The actuator's source vanes rotate within an electric field between the target chutes' walls, generating torque. The principal providing torque and power is the change in energy as a vane gets closer to the outer walls. During the release and capture process, electrical work is performed which, in turn, is transferred into mechanical work in the form of rotation of the rotor. Specific applications include a radioisotope fueled rotary actuator for micro and nano air vehicles employed as the main form of propulsion.
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