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Electrostatic Device

IP.com Disclosure Number: IPCOM000096706D
Original Publication Date: 1963-Sep-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 2 page(s) / 54K

Publishing Venue

IBM

Related People

Jones, RA: AUTHOR

Abstract

Rectilinear motion can be produced by the coaction of electrostatic forces. Stator element 10 has interleaved sets 12 and 13 of serially arranged electrode areas on its inner surface. Each electrode area is formed of metal and has a hard dielectric coating. One side of potential source 14 of reversible polarity is connected to one electrode set 12. The other side of source 14 is connected to the other electrode set 13.

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Electrostatic Device

Rectilinear motion can be produced by the coaction of electrostatic forces. Stator element 10 has interleaved sets 12 and 13 of serially arranged electrode areas on its inner surface. Each electrode area is formed of metal and has a hard dielectric coating. One side of potential source 14 of reversible polarity is connected to one electrode set 12. The other side of source 14 is connected to the other electrode set 13.

Element 16 is disposed within the stator so as to be axially reciprocable therein, i. e., to the right and left in the drawing. Element 16 has electrodes arranged in sets 18 and 19 on its surface facing electrodes 12 and 13. Electrodes 18 and 19 are charged in alternate polarities by source 20. Stator 10 is filled with a fluid dielectric 22.

The coaction between the electrostatic forces induced by the charge distribution on electrodes 12 and 13 and 18 and 19 produces rectilinear motion of element 16. Reversal of this motion is accomplished by reversing the polarity of supply 14. Fluid dielectric 22 serves as a lubricant between elements 10 and 16, when element 16 moves.

In addition to providing an electrostatic prime mover, the structure also offers a variable capacitance effect.

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