Device for inserting prewound coils in the cavities of a stator

Details Device for inserting prewound coils in the cavities of a stator Device for inserting prewound coils in the cavities of a stator

1986-08-12

1988-05-03

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29596, 29606, 29734, H02K 1502, H02K 1508, H02K 1509

Patent

active

047410981

ABSTRACT:
In a device for inserting prewound coils in the cavities of a stator of a dynamo-electric machine, of the type comprising an annular series of coil guide blades for receiving the prewound coils to be inserted in the cavities of the stator, an annular series of key guide blades surrounding the series of coil guide blades, and a thrust member slidable axially into the series of coil guide blades to insert the coils in the stator cavities, there are also provided an outer auxiliary coil guide member having an annular body locatable around the key guide blades and having an inner surface spaced from the outer surface of the key guide blades so as to define a first annular passage for guiding the coils during the insertion operation, and an inner auxiliary coil guide member movable with the thrust member into the series of coil guide blades and having an outer surface spaced from the inner surface of the coil guide blades so as to define a second annular passage for guiding the coils during the insertion operation.

REFERENCES:
patent: 3324536 (1967-06-01), Hill
patent: 3593405 (1971-07-01), Hahn
patent: 3672039 (1972-06-01), Arnold
patent: 3857171 (1974-12-01), Lund
patent: 3913373 (1975-10-01), Kindig
patent: 4455743 (1984-06-01), Witwer et al.

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