Stator

Details Stator Stator

2011-04-12

2011-04-12

Le, Dang D (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07923883

ABSTRACT:
The present invention provides a stator coiled in a spiral, capable of mechanically inserting a wound coil in the slot of a stator core. In a stator in which coils are overlapped in a spiral when viewed from the end surface of the stator core after each of one sides of a plurality of coils wound in advance is inserted in the slot of the stator core and each of the other sides of the plurality of coils is inserted in a different slot, by repeating the inserting operation twice or more, the loop of the coils overlapped in a spiral are piled in two layers or more in the radius direction of the stator core and the total coil sectional area inserted in the slots of the stator core is larger than a prescribed value based on the inside radius of the stator core.

REFERENCES:
patent: 3942055 (1976-03-01), Hoffmeyer
patent: 4241274 (1980-12-01), Brammerlo
patent: 4780636 (1988-10-01), Gandhi et al.
patent: 4801832 (1989-01-01), Neumann
patent: 5336956 (1994-08-01), Haner
patent: 5747910 (1998-05-01), Haner
patent: 5915643 (1999-06-01), Dolgas
patent: 7170211 (2007-01-01), Chen et al.
patent: 56-041736 (1981-04-01), None
patent: 10-028346 (1998-01-01), None

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