Method and apparatus for slotless stator manufacturing

Details Method and apparatus for slotless stator manufacturing Method and apparatus for slotless stator manufacturing

1996-03-11

1998-11-03

Bray, W. Donald

Metal working

Method of mechanical manufacture

Electrical device making

29736, 29606, 2642722, H02K 1506

Patent

active

058291180

ABSTRACT:
A method of producing a slotless wound stator for an electric machine wherein coils are pre-formed and located on the location pins of a transfer tool. The transfer tool with the winding coils thereon is then inserted into the stator shell. Coil guides comb the coils during insertion so that the active portions of the winding are relatively straight and parallel to the axis. When the winding is in place, the location pins are retracted and the transfer tool forces the end turns outward. When the end turns are flared outwardly, the transfer tool is removed.

REFERENCES:
patent: 4563808 (1986-01-01), Lender
patent: 4571822 (1986-02-01), Saito et al.
patent: 4648176 (1987-03-01), Moser
patent: 4739549 (1988-04-01), Rist
patent: 4970774 (1990-11-01), Barrera

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