Squirrel cage rotor

Details Squirrel cage rotor Squirrel cage rotor

1999-04-26

2000-02-29

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, 29598, 29609, H02K 1716

Patent

active

060313129

ABSTRACT:
A squirrel cage rotor includes a cage, lamination sheets provided with a plurality of slots, and short circuit rings arranged at the axial ends of said lamination sheets and connected by short circuit rods disposed within said slots. In one aspect, said lamination sheets comprise sheets made of an amorphous magnetic material, especially of an amorphous metal with high saturation magnetization. In another aspect, said slots are formed with a convex base portion. In a further aspect, said short circuit rings are made of a metal matrix composite material with high electrical conductivity, preferably of a fiber reinforced aluminum matrix composite material.

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M. Ito et al., "Magnetically Anisotropic Solid Rotor of an Induction Motor", IEEE Transactions on Energy Conversion, vol. 3, No. 2, Jun. 1988, pp. 427-432.
German Technical Journal: Elektrische Maschinen, 1984, pp. 352-356.
German Technical Journal: "E und M", No. 9 for 1980, pp. 378-385.

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