Noise suppressing isolation transformer

Details Noise suppressing isolation transformer Noise suppressing isolation transformer

1988-10-28

1989-08-01

Kozma, Thomas J.

Inductor devices

With electric and/or magnetic shielding means

H01F 1504

Patent

active

048536652

ABSTRACT:
A transformer apparatus which includes a core and first and second coils which are each magnetically coupled to the core. Each coil is generally cylindrical and have a circumferential surface and first and second axial extremities. Shielding is disposed around at least the first coil comprising a web shaped metallic, non-magnetic, electrically conductive generally rectangular member. The member has a first portion extending around substantially the entire circumferential extent of at least one coil and the member further includes second and third portions extending respectively about a substantial portion of each of the first and second axial extremities.

REFERENCES:
patent: 2170048 (1939-08-01), Dunning et al.
patent: 2652521 (1953-09-01), Westphal
patent: 4536714 (1985-08-01), Clark

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