Cooling electromagnetic devices

Details Cooling electromagnetic devices Cooling electromagnetic devices

1988-10-28

1990-01-30

Kozma, Thomas J.

Inductor devices

With temperature modifier

Heat exchanging surfaces

336 83, 336175, 336178, 336212, H01F 2708, H01F 1706

Patent

active

048976261

ABSTRACT:
The invention provides an electromagnetic device such as a transformer which comprises one or more electrically conductive windings in a cylindrical magnetic frame. The magnetic frame defines a magnetic flux path having a length which is less than the length of the portion of the windings enclosed by the magnetic frame, and the device includes heat dissipation elements disposed about the windings and extending transversely from the windings. The magnetic frame comprises a number of toroidal core sections which are stacked end to end, so that the magnetic frame has an elongate tubular form. The heat dissipation elements are plates located between adjacent core sections.

REFERENCES:
patent: 2769962 (1956-11-01), Melville
patent: 2909742 (1959-10-01), Lambenton
patent: 2947957 (1960-08-01), Spindler
patent: 2990524 (1961-06-01), O'Meara et al.
patent: 3179908 (1960-08-01), Peabody
patent: 3287670 (1966-11-01), Schroeder
patent: 3428928 (1969-02-01), Maines
patent: 3621425 (1971-11-01), Trench
patent: 3728655 (1973-04-01), Reinke
patent: 4134091 (1979-01-01), Rogers

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