High-speed rotor

Details High-speed rotor High-speed rotor

2005-09-06

2005-09-06

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S049540, C310S045000, C310S156290, C310S262000

Reexamination Certificate

active

06940196

ABSTRACT:
A high-speed rotor, in particular a permanent-magnet rotor (1) for dynamoelectric machines of high power density, and also its production are proposed. The permanent-magnet rotor (1) comprises a spindle (2) and armouring (4) coaxial with the spindle (2), a number of ceramic permanent magnets (3a-3d) that are distributed between the spindle (2) and the cylindrical sheath (4), and also a gap-filling filling compound. Said filling compound made of filled polymers seals the gaps in the permanent-magnet rotor (1) by injection moulding. Due to the remanent pretension, the permanent magnets (3a-3d) remain permanently rigidly joined even against high centrifugal forces.

REFERENCES:
patent: 4633113 (1986-12-01), Patel
patent: 6242833 (2001-06-01), Mobius et al.
patent: 2002/0084710 (2002-07-01), Worley et al.
patent: 3622231 (1988-07-01), None
patent: 10060121 (2002-06-01), None
patent: 1223662 (2002-07-01), None
patent: 03074151 (1991-03-01), None
patent: 2000014062 (2000-01-01), None

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