Patents Represented by Attorney E. Oldham

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  • Multi-layer insulation for winding elements of dynamoelectric machines (D.E.M.s)
    Patent number: 5973269
    Abstract: An insulation system for the windings of a dynamoelectric machine is described wherein a bundle of insulated conductors is provided with layers of groundwall insulation. The innermost layer of groundwall insulation has superior corona discharge resistant properties. A second layer of groundwall insulation which has a corona discharge resistance somewhat less than the innermost layer of groundwall is superimposed on the innermost layer.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: October 26, 1999
    Assignee: General Electric Canada Inc.
    Inventors: Robert Edward Draper, Luc Jean Joseph Lafortune, Michael Beapre, Bernard John Moore