Stator assembly made from a molded web of core segments and...

Details Stator assembly made from a molded web of core segments and... Stator assembly made from a molded web of core segments and...

2007-08-28

2007-08-28

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C029S596000, C310S049540, C310S045000, C310S216055, C310S256000

Reexamination Certificate

active

11475431

ABSTRACT:
A plurality of stator segments20are linked together by a phase change material22enabling simplified winding and higher slot fill. Once wound this continuous structure can be formed into a toroidal core17for a stator assembly40used to make a motor100. In a preferred embodiment, a monolithic body42of phase change material substantially encapsulates the conductors and holds the stator segments20in contact with each other in the toroidal core17. Hard disc drives using the motor100, and methods of constructing the motor100are also disclosed.

REFERENCES:
patent: 3189984 (1965-06-01), Haifley et al.
patent: 3827141 (1974-08-01), Hallerback
patent: 5806169 (1998-09-01), Trago et al.
patent: 6002185 (1999-12-01), Nakao et al.
patent: 6081059 (2000-06-01), Hsu
patent: 6111334 (2000-08-01), Horski et al.
patent: 6492749 (2002-12-01), Shiga et al.
patent: 6550130 (2003-04-01), Itoh et al.

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