Permanent magnet rotor and method of assembly

Details Permanent magnet rotor and method of assembly Permanent magnet rotor and method of assembly

1999-02-16

2000-07-04

Ponomarenko, Nicholas

Electrical generator or motor structure

Dynamoelectric

Rotary

310 15, 29598, H02K 500

Patent

active

060843306

ABSTRACT:
The invention resides in permanent magnet rotors and methods for assembling the same. In one embodiment, one of more arcuate magnetic elements are disposed around a cylindrical rotor core. In turn, a hollow retaining shell is slip-fit around the magnetic element or elements. Spring biasing members are inserted into longitudinal channels defined by grooves in the core and corresponding grooves or chamfers on the one or more magnetic elements. The spring biasing members prevent relative movement between the core, the magnetic element(s), and the retaining shell. Annular end plates are secured to the ends of the core to seal off the interior of the device. In another embodiment, relative movement between the core, magnetic element(s), and retaining shell is prevented by applying adhesive between those parts.

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