Braze end isolation layer for generator armature winding bar and method for applying the isolation layer

A brazed joint between an armature winding bar strand package (16) and a hydraulic header clip end fitting (18) including: a plurality of solid strands (34) and a plurality of hollow strands (36) arranged in a tiered array and forming the strand package, the plurality of hollow strands having free e...

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Bibliographic Details
Main Author BREZNAK JEFFREY MICHAEL,IVERSEN ALAN MICHAEL,HOPECK JAMES FREDRICK,SOWERS LAWRENCE LEE
Format Patent
LanguageEnglish
Published 21.06.2006
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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Summary:A brazed joint between an armature winding bar strand package (16) and a hydraulic header clip end fitting (18) including: a plurality of solid strands (34) and a plurality of hollow strands (36) arranged in a tiered array and forming the strand package, the plurality of hollow strands having free ends that extend axially beyond corresponding free ends of solid strands; a cavity (42) in the end fitting into which extents the free ends of the hollow strands and solid strands, and an essentially phosphorous-free silver braze alloy (50, 52) joining the free ends of the plurality of hollow strands and said corresponding free ends of solid strands to each other and to interior surfaces of the end fitting, wherein said braze alloy forms an isolation layer (52) over the free ends of the solid strands.
Bibliography:Application Number: CN200510125178