Transformer comprising a magnetic screen

Details Transformer comprising a magnetic screen Transformer comprising a magnetic screen

1987-08-17

1988-06-07

Kozma, Thomas J.

Inductor devices

With electric and/or magnetic shielding means

336212, 336215, H01F 1504

Patent

active

047499796

ABSTRACT:
In a transformer (1) comprising an E-I laminated core (2) with transformer windings (7) wound around the central limb (5), at least two metal-strip loops (10, 11) are provided for magnetic screening. The magnetic strips (10,11) extend around the corners (12) of the laminated core (2) at an as constant as possible distance from one another and perpendicularly to the lamination direction of the laminated core (2) and are welded (17) to the laminated core (2) at side areas where the magnetic field strength is low.

REFERENCES:
patent: 4509032 (1985-04-01), Post

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