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Water-cooled stator coil header repair process

  • US 5,760,371 A
  • Filed: 12/08/1995
  • Issued: 06/02/1998
  • Est. Priority Date: 12/08/1995
  • Status: Expired due to Term
First Claim
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1. A process for repairing leaks in water cooled stator coils having a plurality of hollow conductor strands each having a lead end with an opening therein, and wherein the lead ends of the conductor strands are joined to a header, comprising the steps of:

  • (a) sectioning the header into an outboard section, and into an inboard section that remains attached to the conductor strands, such that the lead ends of the conductor strands are accessible;

    (b) cleaning the lead ends of the conductor strands and the attached inboard section;

    (c) applying a water-tight braze seal over the lead ends of the conductor strands; and

    ,(d) after the braze seal has been applied, joining the stator coil and the inboard section to a second outboard section.

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