Stator for electrical rotating machine

Details Stator for electrical rotating machine Stator for electrical rotating machine

2011-06-21

2011-06-21

Le, Dang D (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216024

Reexamination Certificate

active

07965014

ABSTRACT:
A stator includes: a plurality of divided cores disposed to have a ring shape; a stator winding toroidally wound on the stator; and a holding member that holds the divided cores in the ring shape. Each of the divided cores includes: a bobbin part for the stator winding; a yoke extending from the bobbin part in the circumferential direction; a connection part extending from the yoke outwardly in a radial direction with a connection face that is connected to the holding member; and a tooth extending from the yoke inwardly. The connection part has a magnetic gap to increase a magnetic resistance in a path of magnetic flux, generated by the stator winding, leaked to the holding member through the connection face. The magnetic gap is a notch or a weld.

REFERENCES:
patent: 2500191 (1950-03-01), Lee
patent: 6211595 (2001-04-01), Nose
patent: 6448682 (2002-09-01), Sakagami et al.
patent: 09-009532 (1997-01-01), None
patent: 2006-271161 (2006-10-01), None

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