Stator for a line-start electric motor

Details Stator for a line-start electric motor Stator for a line-start electric motor

2006-08-22

2006-08-22

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07095152

ABSTRACT:
The invention concerns a stator for a line-start electric motor, with a rotor accommodating chamber, in which a rotor is accommodated to be rotatable, and which has accommodating chambers for conducting rods and accommodating chambers for permanent magnets, and with a stator winding comprising several windings, which, during operation of the line-start electric motor under the influence of the rotor, generate a magnetic field with a main axis. In order to increase the efficiency of the line-start electric motor, the rotor accommodating chamber has no constant inner radius, but, in the area of a vertical to the main axis, has a larger inner radius than in the adjacent areas.

REFERENCES:
patent: 5927249 (1999-07-01), Ackermann et al.
patent: 6005321 (1999-12-01), Bolton et al.
patent: 6329729 (2001-12-01), Sakamoto
patent: 6844652 (2005-01-01), Chu et al.
patent: 1 012 681 (1957-07-01), None
patent: 34 04 960 (1985-08-01), None
patent: 0 809 343 (1997-11-01), None

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