Permanent magnet rotor with sinusoidal flux pattern

Details Permanent magnet rotor with sinusoidal flux pattern Permanent magnet rotor with sinusoidal flux pattern

1986-06-05

1988-05-31

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, H02K 9114

Patent

active

047483598

ABSTRACT:
A permanent magnet rotor wherein a rotary shaft has an orthogonal cross a sectional shape orthogonal in a longitudinal direction of the rotary shaft, a plurality of circular-arc portions which are around the axis of rotation of the rotary shaft, and rectilinear portions which connect the adjacent circular-arc portions with straight lines having no curved portion. Respective permanent magnets, equal in number to the circular-arc portions, are fixed extending over the circular-arc portions and the rectilinear portions. The surface of each permanent magnet remote from the rotary shaft has a cross sectional contour orthogonal to the longitudinal direction of the rotary shaft, forming a circular arc which protrudes outward.

REFERENCES:
patent: 4591749 (1986-05-01), Gauthier et al.
patent: 4617726 (1986-10-01), Denk
patent: 4625135 (1986-11-01), Kasabian

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