Ignition coil bank-winding method

Details Ignition coil bank-winding method Ignition coil bank-winding method

1998-02-13

1999-08-17

Walsh, Donald P.

Winding, tensioning, or guiding

Composite article winding

By rotating core

2424471, 2424794, B21C 4710

Patent

active

059381434

ABSTRACT:
An ignition coil winding method for spirally winding an element wire in conical banks of wire turns one by one around a coil bobbin provides in particular that a nozzle can vertically move toward and away from the coil bobbin according to a changing winding radius and can swing in the direction normal to the longitudinal axis of the bobbin to maintain constant tension of the element wire. This method also uses a nozzle whose opening diameter is 2 to 6 times larger than that of the element wire to eliminate oscillation of the element wire in the nozzle opening.

REFERENCES:
patent: 1236906 (1917-08-01), Calkins
patent: 1268905 (1918-06-01), White
patent: 2247718 (1941-07-01), Treckmann
patent: 2303298 (1942-11-01), Early
patent: 2602607 (1952-07-01), Calvi
patent: 3003716 (1961-10-01), Davis et al.
patent: 3565357 (1971-02-01), Noguchi
patent: 3779480 (1973-12-01), Cambou
patent: 4428540 (1984-01-01), Calcagno et al.

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