Small transformer with shield

Details Small transformer with shield Small transformer with shield

1986-02-19

1987-03-24

Kozma, Thomas J.

Inductor devices

With electric and/or magnetic shielding means

336208, H01F 1504, H01F 2730

Patent

active

046528466

ABSTRACT:
A transformer of small installed volume which affords, besides electrical separation, also an effective static protective shield between the power supply side and the user side, along with simple production and assembly. To accomplish this, a two-chamber transformer with a coil form for the primary winding and a coil form for the secondary winding, both plugged one behind the other onto the transformer core in the direction of the coil axes and a stamped metal foil frame as the shielding wall between the adjacent face flanges of the coil forms are used. The transformer is particularly well suited for application in equipment of the entertainment, communications and medical technologies.

REFERENCES:
patent: 1893618 (1933-01-01), Forbes
patent: 2714710 (1955-08-01), Bradley
patent: 3227973 (1966-01-01), Gray
patent: 3277416 (1966-10-01), Barr
patent: 3689862 (1972-09-01), Hilgers
patent: 3843946 (1974-10-01), Anderson et al.
patent: 3851287 (1974-11-01), Miller et al.
patent: 4000483 (1976-12-01), Cook et al.
patent: 4250479 (1981-02-01), Bausch et al.

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