Low torque ripple switched reluctance motor

Details Low torque ripple switched reluctance motor Low torque ripple switched reluctance motor

1996-04-18

1998-12-01

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310166, 310168, 310269, 310 49R, H02K 106, H02K 1906, H02K 1920

Patent

active

058443460

ABSTRACT:
A switched reluctance motor includes a stator defining a plurality of radially-inwardly-extending poles and a rotor defining a plurality of radially-outwardly-extending poles. The poles of the stator define a shape in radial cross-section characterized by a generally rectangular body portion, and a tip portion which tapers at an angle no greater than 40.degree. relative to the sides of the rectangular body portion. The nominal width of the rectangular body portion of each stator pole is at least 1.3 times the nominal (chordal) dimension across the arcuate, radially-innermost surface on the tip portion thereof.

REFERENCES:
patent: 519097 (1894-05-01), Schmid
patent: 710425 (1902-10-01), Churchward
patent: 4000452 (1976-12-01), Heine
patent: 4327302 (1982-04-01), Hershberger
patent: 4647802 (1987-03-01), Konecny
patent: 4873462 (1989-10-01), Harned
patent: 4947066 (1990-08-01), Ghibu et al.
patent: 4949000 (1990-08-01), Petersen

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