D.C. motor

Details D.C. motor D.C. motor

1988-08-12

1989-06-06

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310185, 310194, 310268, H02K 112

Patent

active

048374741

ABSTRACT:
A P.M. d.c. motor in which the permanent magnets thereof are provided as arcuate segments of predetermined length which rotate about a circular locus of core component defining pole assemblies. The paired permanent magnets are magnetized in a radial polar sense and interact in radial fashion with three core components of each pole assembly which include a centrally disposed core component extending within a channel between the magnet pairs and to adjacent inwardly and outwardly disposed core components also interacting with the permanent magnet radially disposed surfaces. With the arrangement, localized rotor balancing is achieved and, additionally, discrete or localized magnetic circuits are developed with respect to the association of each permanent magnet pair with a pole assembly.

REFERENCES:
patent: 3124733 (1964-03-01), Andrews
patent: 3599050 (1969-04-01), Momatsu
patent: 3922574 (1975-11-01), Whiteley
patent: 4072881 (1978-02-01), Ban
patent: 4174484 (1979-11-01), Schmider
patent: 4488075 (1984-12-01), DeCesare
patent: 4508998 (1985-04-01), Hahn
patent: 4571528 (1986-02-01), McGee et al.
patent: 4626727 (1986-12-01), Janson
patent: 4633149 (1986-12-01), Welterlin
patent: 4668884 (1987-05-01), Amao et al.
patent: 4731554 (1988-03-01), Hall et al.
patent: 4745345 (1988-05-01), Petersen
patent: 4763050 (1988-08-01), Ruppert

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