Apparatus for fabricating a low voltage winding for a toroidal transformer
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United States of America Patent
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Apr 17, 1990
Issued Date -
N/A
app pub date -
May 20, 1988
filing date -
Feb 6, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A winding apparatus for fabricating a multifilar low voltage winding for a toroidal transformer is disclosed. The apparatus uses a wire storage magazine 18 and a wire winding shuttle 20 which rotate about a semitoroidal winding mandrel 38 to wind a multifilar low voltage winding 48 on the winding mandrel having a greater radial depth of turns at the radially inward leg of the winding than at the radially outward leg of the winding. The multifilar winding can be wound with a group of conductors in a single pass over the winding mandrel, or wound one conductor at a time using multiple passes over the winding mandrel, or wound using multiple passes over the winding mandrel with some intermediate number of conductors being wound during each pass.
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