Inductor devices – Winding formed of plural coils – Coil supports or spacers
Patent
1987-07-16
1989-08-29
Kozma, Thomas J.
Inductor devices
Winding formed of plural coils
Coil supports or spacers
336192, 336198, H01F 2730
Patent
active
048621307
ABSTRACT:
A coil assembly, as for the secondary of a high voltage ignition transformer, includes a coil subdivided into segments in slots defined by radial flanges on a coil bobbin. The bobbin spindle is of a polygonal cross section, preferably having four axially-extending corners along its outer perimeter. Cross-over grooves provided in the bobbin flanges allow the coil wire transitioning from one slot to the next to be relatively isolated from contact with the multiple layers of coil-turns deposited in a slot. The angular geometry of the core spindle and the geometry and positioning of the cross-over grooves in the flanges is such as to afford relatively-easily molded grooves and wide slot widths relative to the thickness of the flanges in which the grooves are formed.
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Kozma Thomas J.
United Technologies Automotive Inc.
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