Brushless D.C. dynamoelectric machine having ferrite material ma

Details Brushless D.C. dynamoelectric machine having ferrite material ma Brushless D.C. dynamoelectric machine having ferrite material ma

1985-02-20

1986-08-12

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, H02K 116

Patent

active

046058745

ABSTRACT:
A dynamoelectric machine which may operate in a motor mode or a generator mode is described wherein substantially the entire magnetic circuit is provided by ferrite material. In one particular embodiment, hard ferrite permanent magnet segments are mounted on a rotor plate while soft ferrite magnet segments with electrical coil windings mounted thereon are provided in a stator spaced apart from the rotor by an air gap. Other embodiments of the concept are described.

REFERENCES:
patent: 2873395 (1959-02-01), Kober
patent: 2885645 (1959-05-01), Wennerberg
patent: 3466483 (1969-09-01), Johnson et al.
patent: 4020372 (1977-04-01), Whiteley

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