| 摘要 |
<p>A plurality of asymmetrical capacitors (10) that develop power in a propulsion system are disclosed. In one embodiment, the capacitor (10) is constructed so as to have an elongated rearward conductive element (22) to provide a relatively long region within which electrons drift. In another embodiment, a plurality of forward emitters (36) are positioned so as to create an ionisation region in front of the capacitor, with a rear conductive element (46) providing a region within which electrons may drift. In all these capacitors, a leaky dielectric region (31) separates the forward (26) and the rearward (22) conductive elements, with electron drift through the leaky dielectric generating motive power. In some instances, this region may simply be an air gap, and in other instances pure or ultra pure semiconductor materials, i.e. materials that exhibit both electron mobility and a dielectric constant, may be used. A plurality of such semiconductor materials may be constructed in layers to form the leaky dielectric layers.</p> |
