High performance linear motor and magnet assembly therefor

Details High performance linear motor and magnet assembly therefor High performance linear motor and magnet assembly therefor

2006-10-26

2008-11-25

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S013000, C310S015000

Reexamination Certificate

active

07456528

ABSTRACT:
A magnet assembly includes a back iron and an array of magnets. The back iron is in the form of a plate having opposed surfaces. The magnets are arranged along one of the surfaces, with the other surface being dimensioned and configured according to the magnetic field distribution associated with the magnets. The back iron geometry provides for reduced mass, reduced leakage flux, and high flux densities to improve performance of a linear motor that employs such a magnet assembly.

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Herdershot, et al. “Design of Brishless Permanent-Magnet Motors” (1994) vol. 37, Oxford University Press.

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