Magnetic field type of rotary electric apparatus

Details Magnetic field type of rotary electric apparatus Magnetic field type of rotary electric apparatus

2005-04-05

2005-04-05

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216006, C310S211000

Reexamination Certificate

active

06876115

ABSTRACT:
Several embodiments of rotating electrical machines where cogging torque is reduced as well as the distortion of the back emf and improve torque characteristic with reduced torque ripples by dividing either the permanent magnets and/or the poles of the coil windings in axially separated portions that are circumferentially shifted relative to each other.

REFERENCES:
patent: 4616151 (1986-10-01), Pryjmak
patent: 4642502 (1987-02-01), Carpenter et al.
patent: 5043616 (1991-08-01), Katsuzawa et al.
patent: 5875540 (1999-03-01), Sargeant et al.
patent: 6321439 (2001-11-01), Berrong et al.
patent: 6707209 (2004-03-01), Crapo et al.
patent: 63-140645 (1988-06-01), None
patent: 11-136886 (1999-05-01), None
patent: 2000-308287 (2000-11-01), None
patent: 2001-359266 (2001-12-01), None

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