Ribbon coil for motor winding

Details Ribbon coil for motor winding Ribbon coil for motor winding

1992-05-13

1993-11-16

Kozma, Thomas J.

Inductor devices

Winding with terminals, taps, or coil conductor end...

29605, 310 71, 310208, 336232, H01F 1510

Patent

active

052627462

ABSTRACT:
The specification discloses a ribbon coil for a motor winding which is generally constructed as a roll having an inside wall and an outside wall by spirally winding a ribbon wire. The ribbon wire comprises a narrow strip of a metal foil layer, an insulation layer coated on the surface of the metal foil layer and a fusible layer on the surface of the insulation layer. The roll is solidified to form itself by melting then curing the fusible layer with a solvent or a hot air while the ribbon wire is being spirally wound. At least, a beginning portion of the ribbon coil is folded, and a extension of the folded portion is bent along the inner wall of the roll so that the beginning end potion forms a "S" shape bend in a space surrounded by the inner wall of the roll. The "S" shape bend is provided with a electrical terminal which is formed by removing the insulation layer and the fusible layer prior to the coil winding.

REFERENCES:
patent: 2850707 (1958-09-01), Wroblowski et al.
patent: 3467931 (1969-09-01), Dutton
patent: 3787766 (1974-01-01), Graefuitz et al.
patent: 4507637 (1985-03-01), Hayashi

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