Inductor devices – Polyphase
Patent
1988-10-28
1989-09-05
Kozma, Thomas J.
Inductor devices
Polyphase
336 69, 336 84C, H01F 3300, H01F 1504
Patent
active
048642657
ABSTRACT:
A transformer includes first and second coils which are generally cylindrical and having an outer circumferential surface, an inner diametral surface and first and second axial extremities. Shielding is disposed around the coils comprising a web shaped metallic, non-magnetic, electrically conductive generally rectangular first member. The first member has a first portion extending about substantially the entire inner diametral surface of the coils and has a plurality of tab shaped portions extending respectively about a substantial portion of each of said first and second axial extremities. A second non-magnetic, electrically conductive metallic member extending over substantially the entire circumferential extent of each coil.
REFERENCES:
patent: 1837245 (1931-12-01), Wheeler
Nay John
Peoples Stuart A.
General Signal Corporation
Kozma Thomas J.
Reichman R.
Smith Robert S.
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