Transformer with gapped core

Details Transformer with gapped core Transformer with gapped core

1979-11-29

1981-12-08

Kozma, Thomas J.

Inductor devices

With closed core interrupted by an air gap

29606, 29607, 336219, H01F 1706, H01F 4102

Patent

active

043050565

ABSTRACT:
In a transformer for use in a receiver set, a non-magnetic material arranged in part of a closed magnetic path established by a magnetic core is made of a plastic material such as paper mash or silicon putty. The non-magnetic material is pressurized and deformed so as to set the inductance of a coil mounted on the magnetic core to a predetermined value.

REFERENCES:
patent: 2055175 (1936-09-01), Franz
patent: 2494180 (1950-01-01), Koubek
patent: 2674721 (1954-04-01), Jackson et al.
patent: 3609615 (1971-09-01), Parker

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