H - Electricity – 01 – F
Patent
H - Electricity
01
F
26/69
H01F 41/08 (2006.01)
Patent
CA 1289736
APPARATUS AND METHOD FOR FABRICATING A LOW VOLTAGE WINDING FOR A TOROIDAL TRANSFORMER ABSTRACT OF THE DISCLOSURE A winding apparatus and method for fabricating a multifilar low voltage winding for a toroidal transformer is disclosed. The method and apparatus use 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. KKKKK4/9239-25
500674
Hamkins Clark J.
Richerson James D.
Schlake Randall L.
Fetherstonhaugh & Co.
Hamkins Clark J.
Kuhlman Corporation
Richerson James D.
Schlake Randall L.
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