Coil apparatus with divided windings

Details Coil apparatus with divided windings Coil apparatus with divided windings

1985-08-14

1987-01-06

Kozma, Thomas J.

Inductor devices

Winding formed of plural coils

336183, 336208, 336222, H01F 2728

Patent

active

046350195

ABSTRACT:
A coil apparatus for the use of a switching power supply circuit has been found. The coil apparatus having two overlapped coil bobbins has an improved winding arrangement. This arrangement is such that one (P.sub.1) of primary windings which are provided for an inner bobbin are divided into two windings (P.sub.11, P.sub.12) which are electrically coupled with each other, and remaining primary windings (P.sub.2) are sandwiched between the two divided windings (P.sub.11, P.sub.12).

REFERENCES:
patent: 1781308 (1930-11-01), Vos
patent: 1873824 (1932-08-01), Cole et al.
patent: 3213397 (1965-10-01), Broverman
patent: 3579165 (1971-05-01), Johnson
patent: 3594672 (1971-07-01), Frenkel
patent: 3904928 (1975-09-01), Sawada et al.
patent: 3946349 (1976-03-01), Haldeman, III
patent: 4229786 (1980-10-01), Mitani et al.
patent: 4335423 (1982-01-01), Koizumi et al.
patent: 4460885 (1984-07-01), Hensen et al.
patent: 4549042 (1985-10-01), Akiba et al.

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