Electrical generator or motor structure – Non-dynamoelectric – Charge accumulating
Patent
1989-11-03
1991-05-14
Stephan, Steven L.
Electrical generator or motor structure
Non-dynamoelectric
Charge accumulating
310 90, 310 40MM, H02N 100
Patent
active
050159062
ABSTRACT:
A mass to be levitated is provided with an electrically conductive surface that is acted upon by an oscillating electrical force field generated by a plurality of charged conductive plates. The levitated mass is kept in static equilibrium in the electric field by driving the resonant circuit with an applied time varying voltage that has a frequency greater than the natural frequency of the resonant circuit. Motion of the mass is accomplished by providing actuator elements that are selectively charged to attract the mass in a given direction. Alternatively, the mass may be moved by employing a plurality of levitation control circuits that are sequentially energized.
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Robert Gannon, "Micromachine Magic", Popular Science, Mar. 1989, pp. 88-92.
Carr William N.
Cho Dong-Il D.
Kumar Suresh
Jones Judson H.
Princeton University
Stephan Steven L.
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