Inductor devices – Winding formed of plural coils
Patent
1995-08-09
2000-12-12
Kozma, Thomas J.
Inductor devices
Winding formed of plural coils
336183, 336223, 336225, H01F 2730
Patent
active
061604674
ABSTRACT:
In one embodiment of the present invention, a transformer includes a first secondary winding made of stamped and bent metal. This first secondary winding has a coil portion with substantially closed cross section. The transformer also includes a primary winding made of wire and having a coil portion wound around the coil portion of the first secondary winding. A second secondary winding made of stamped and bent metal and having a coil portion with substantially closed cross section has its coil portion disposed about the coil portion of the primary winding. The primary winding further includes a second coil portion wound around the coil portion of the second secondary winding. The transformer thus provided is easier to build and less apt to internal short-circuiting than alternative designs.
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IBM Technical Disclosure Bulletin, "Flat Winding Transformer", J. K. Radcliffe, vol. 22, No. 9 Feb. 1980, pp. 4009-4012.
Huss John Bernard
Teimorzadeh Mehrdad
Kozma Thomas J.
Mollon Mark L.
Visteon Global Technologies Inc.
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