Variable reluctance motor

Details Variable reluctance motor Variable reluctance motor

1987-04-27

1991-02-05

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, 310217, 310259, H02K 114

Patent

active

049908090

ABSTRACT:
A high torque-to-low mass variable reluctance motor includes a cylindrical stator assembly having a plurality of stator segments circumaxially arranged about a rotor wherein adjacent stator segments are maintained in a spaced apart relation with one another by non-magnetic pins which provide a radially inwardly projecting channel extending fully from the outer circumference to the inner circumference of the stator assembly to essentially magnetically isolate the stator segments from one another. A generally annular, non-magnetic shell coaxially surrounds and engages the outer periphery of the circular stator assembly to cause a compressive force to be directed radially inwardly to maintain the stator segments in a precisely aligned arrangement.

REFERENCES:
patent: 2774000 (1956-12-01), Ross
patent: 3421033 (1969-01-01), Hoffmeyer
patent: 3445702 (1969-05-01), Silva
patent: 3549926 (1970-12-01), Pentland
patent: 3568118 (1971-03-01), Kuriyama et al.
patent: 4288709 (1981-09-01), Matthias
patent: 4315171 (1982-02-01), Schaeffer
patent: 4475051 (1984-10-01), Chai
patent: 4578852 (1986-04-01), Sauerwein et al.
patent: 4602423 (1986-07-01), Ulrich et al.
patent: 4672252 (1987-06-01), Spirk
patent: 4729160 (1988-03-01), Brown
Engineering Electromagnetics by William H. Hayt, Jr., Dec. 1981, p. 324.

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