Apparatus for use as a motor or generator

  • US 9,148,074 B2
  • Filed: 04/15/2011
  • Issued: 09/29/2015
  • Est. Priority Date: 04/16/2010
  • Status: Active Grant
First Claim
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1. Apparatus for use as a motor or generator, comprising:

  • a capacitor assembly comprising;

    a first conductor part defining a first conductor region and a second conductor part defining a second conductor region, the first and second conductor parts being spaced apart to define opposed sides of a passageway extending between the first and second conductor regions; and

    an inner part moveable relative to at least one of the conductor parts along the passageway extending between the first and second conductor regions;

    wherein;

    (a) the apparatus further comprises a positioning system configured to maintain a predetermined minimum spacing between the inner part and the conductor parts of the capacitor assembly, wherein the positioning system comprises a pressurised fluid system configured to apply a balancing fluid pressure between opposed faces of the inner part and the conductor parts for correcting or preventing any offset displacement of the inner part relative to the conductor parts, the pressurised fluid system comprising a pressurised fluid source and a plurality of pressurised fluid channels in fluid communication with the pressurised fluid source for supplying pressurised fluid to an adjacent inner part, each pressurised fluid channel comprising a passageway or passageways configured to provide a predetermined pressure drop as fluid passes therethrough and an outlet into the passageway;

    or(b) the apparatus further comprises a connector for linking together a plurality of sub-regions in a group of a conductor part, wherein the conductor parts are spaced along an axis and the apparatus further comprises a plurality of axially extending connectors for linking different conductor parts, each axially extending connector comprising an elongate connector pin configured to extend through a plurality of conductor parts and transferring forces or torque generated by the apparatus;

    or(c) the inner part is separated from at least one adjacent conductor part by a fluid and the apparatus is configured to generate by applying an electric field to the fluid a region of electrical conductivity in the fluid between the first and second conductor regions to generate an effectively frictionless electrical contact between the inner part and the at least one adjacent conductor part;

    or(d) at least one of the first and second conductor parts comprises an electrically insulating body for supporting the first and second conductor regions respectively, the electrically insulating body comprising at least one electrically polarisable region and one relatively non-polarisable region;

    or(e) any combination of (a)-(d).

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