Method for winding an inner coil of a transformer

Details Method for winding an inner coil of a transformer Method for winding an inner coil of a transformer

1994-01-14

1996-05-14

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Electrical device making

29729, 72144, 72148, 2424345, H01F 4106

Patent

active

055155987

ABSTRACT:
This method is for winding an inner coil of a transformer, the transformer including a ferrite core with an inner groove for receiving the winding, the ferrite core being provided with a radial inlet groove for feeding in and feeding out of the winding wire. The wire is fed through a winding mandrel with a transverse longitudinal bore. The ferrite core is pushed onto the winding mandrel and moved rotatably and axially, thereby forming the inner coil in the inner grove of the ferrite core.

REFERENCES:
patent: 4882833 (1989-11-01), Hiramatsu et al.
patent: 4947543 (1990-08-01), Kawazoe et al.

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