Transformer with laminated sheet cores

Details Transformer with laminated sheet cores Transformer with laminated sheet cores

1997-04-10

1999-01-12

Kozma, Thomas J.

Inductor devices

With outer casing or housing

Internal inductor support

336192, 336198, 336210, H01F 2702, H01F 2726, H01F 2730

Patent

active

058595775

ABSTRACT:
A transformer with laminated sheet cores consists of a coil bobbin having a core hole, and a plurality of laminated sheet cores, each having a middle leg inserted into the core hole and a fixing member such as a cover fixed to the coil bobbin, receiving the ends of the sheet cores so as to prevent the sheet cores from being removed from the cover. The laminated sheet cores are fixed to the core bobbin without being pressed in the direction of their total thickness and without lowering the core characteristic. The transformer has a smaller number of the cores and can be manufactured at smaller processes.

REFERENCES:
patent: 4075590 (1978-02-01), Foldes
patent: 5034854 (1991-07-01), Matsumura et al.
patent: 5264815 (1993-11-01), Umeya et al.
IBM Technical Disclosure Bulletin, "High Voltage Shield," Chacon et al, vol. 23, No. 1, Jun. 1980, pp. 65, 66.

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