Process for making a winding for a low-power alternator stator

Details Process for making a winding for a low-power alternator stator Process for making a winding for a low-power alternator stator

1981-05-27

1984-05-22

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29736, 310184, H02K 1506

Patent

active

044492880

ABSTRACT:
A process making it possible to manufacture and locate a winding of an undulating shape, more especially for an alternator stator of a motor vehicle.
Initially externally of the stator and for each phase, a circular flat coil is formed having the desired number of turns. This coil is then preformed, still externally of the stator, so as to give it an undulating flat star shape, whose undulations correspond to the number of poles and notches of the stator. Then this preformed coil is moved against the bundle of sheets of the stator and wires are inserted into the notches by preforming a tilting action which deforms the coil out of its plane. The apparatus for practicing the process of insertion by tilting particularly comprises a mandrel, which is introduced into the bundle of sheets along the axis of the stator.

REFERENCES:
patent: 3949464 (1976-04-01), Walker
patent: 4357968 (1982-11-01), Kieffer

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