Stator of two rotor single stator type electric motor

Details Stator of two rotor single stator type electric motor Stator of two rotor single stator type electric motor

2005-01-04

2005-01-04

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S114000, C310S216006, C310S256000

Reexamination Certificate

active

06838790

ABSTRACT:
A stator for use in a two rotor single stator type electric motor includes a stator core including a plurality of stator teeth that are circumferentially arranged around a common axis leaving a plurality of identical spaces each being defined between adjacent two of the stator teeth. Each stator tooth includes a plurality of flat magnetic steel plates that are aligned along the common axis. A plurality of coils are put around the stator teeth respectively. Bolts extend through identical spaces of the stator core for combining the flat magnetic steel plates to have a fixed structure of the stator core. A molded plastic fills the identical spaces of the stator core. A plurality of elongate plate bars extend in the identical spaces through the molded plastic respectively. Each elongate plate bar extends in parallel with the common axis and is constructed of a magnetic material that has an electric resistance higher than the bolts.

REFERENCES:
patent: 2695969 (1954-11-01), Yates
patent: 4137471 (1979-01-01), Sato et al.
patent: 6114784 (2000-09-01), Nakano
patent: 20040119466 (2004-06-01), Akatsu et al.
patent: 2000-14086 (2000-01-01), None
U.S. Appl. No. 10/895,420, filed Jul. 21, 2004, Arimitsu et al.

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