Method and apparatus for assembling permanent magnet rotors

Details Method and apparatus for assembling permanent magnet rotors Method and apparatus for assembling permanent magnet rotors

1997-09-15

1999-06-22

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 128

Patent

active

059145528

ABSTRACT:
A permanent magnet assembly (22) for assembly in large permanent magnet (PM) motors and generators includes a two-piece carrier (23, 24) that can be slid into a slot (13) in the rotor (10) and then secured in place using a set screw (37). The invention also provides an auxiliary carrier device (50) with guide rails (51) that line up with the teeth (12) of the rotor, so that a permanent magnet assembly (22) can be pushed first into a slot (13), and then down the slot (13) to its proper location. An auxiliary tool (50) is provided to move the permanent magnet assembly (22) into position in the slot (13) before it is secured in place. Methods of assembling and disassembling the magnet assemblies (22) in the rotor (10) are also disclosed.

REFERENCES:
patent: 4242610 (1980-12-01), McCarty et al.
patent: 5510662 (1996-04-01), Tanimoto et al.
patent: 5604390 (1997-02-01), Ackermann

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