Inductor devices – Plural part core
Patent
1988-08-29
1989-05-02
Kozma, Thomas J.
Inductor devices
Plural part core
29609, 336216, 336234, H01F 2724
Patent
active
048272370
ABSTRACT:
The transformer core assembly comprises a first stack of laminations having an "E" shape and including at least three legs comprising first and second, outer legs and a third, middle leg, and a second stack of laminations interlocked with the first stack by mechanical engagement of said second stack with the distal ends of the legs of said first stack. Each first and second outer leg has an identical distal end formation adapted to engage a mating formation on the second stack. The middle leg has a third distal end formation which includes an outer end surface and inner end surface offset inwardly from said outer end surface and an inclined surface between the outer and inner end surfaces. A mating formation is provided on the second stack which is substantially a mirror image of the third distal end formations, but with an inclined surface of the mirror image mating formation being slightly offset laterally or transversely of the inclined surface of the third distal end formations of the third middle legs thereby to provide a slight interference fit between the first stack and the second stack so that, upon engagement of the first and second stacks, the formations on the distal ends of all three legs are urged transversely a gainst the opposed mating formation on the second stack.
REFERENCES:
patent: 3793129 (1974-02-01), Doggant et al.
Coils, Inc.
Kozma Thomas J.
Vigil Thomas R.
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