Electrical coil with tap transferring to end-layer position

Details Electrical coil with tap transferring to end-layer position Electrical coil with tap transferring to end-layer position

1988-03-31

1989-02-28

Kozma, Thomas J.

Inductor devices

Coil with crossed turns

29605, 242 714, 336192, H01F 1510, H01F 4110

Patent

active

048089591

ABSTRACT:
Disclosed is a coil including winding support means for supporting a base layer of wire including a first predetermined number of turns wound in a precision pattern about the support means. A wire tap layer is wound about the support means at an average pitch ratio substantially equal to a second predetermined number of turns for the tap layer divided into the first predetermined number of turns. A tap of wire is then taken from an end of said wire tap layer. Finally, a subsequent wire layer is wound over and in an opposite direction to the tap layer, wound at an average pitch ratio substantially equal to the first predetermined number of turns in the tap layer divided by the difference between the first predetermined number of turns and the second predetermined number of turns.
The present invention is also directed to a method of winding a coil.

REFERENCES:
patent: 1590282 (1926-06-01), Cadden et al.
patent: 2787769 (1957-04-01), Hill et al.
patent: 3772626 (1973-11-01), Russell

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