Permanent magnet field type rotating machine

Details Permanent magnet field type rotating machine Permanent magnet field type rotating machine

1997-04-08

1998-11-24

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310261, 29598, 148101, 148121, H02K 2114

Patent

active

058412123

ABSTRACT:
Disclosed is a permanent magnetic field type rotating machine. The rotor core is made of a single chemical composition material comprising ferromagnetic and nonmagnetic zones. The nonmagnetic zones consists of a remolten and solidified metal structure and of a merely heated and cooled metal structure, and are present at portions of the rotor core where leakage flux is produced.

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patent: 5492572 (1996-02-01), Schroeder et al.
patent: 5631093 (1997-05-01), Perry et al.

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