Rotating electrical machine with magnetic inserts

Electrical generator or motor structure – Dynamoelectric – Rotary

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Details

310152, 310156, 310270, 310154, H02K 122

Patent

active

055436765

ABSTRACT:
In one embodiment of the present invention, a rotor of a "claw pole" alternator includes first and second pole pieces with intermeshing fingers. Magnetic inserts are provided made preferably of permanent magnet material. Each insert extends under the end of a pole finger of the rotor and has two surfaces which face radially outward from the rotor. The resulting design provides improved power output and reduced acoustic noise when compared with conventional alternators, in a design which is durable and amenable to mass production.

REFERENCES:
patent: 3346749 (1967-10-01), Shafranek
patent: 3411027 (1968-11-01), Rosenberg
patent: 3555327 (1971-01-01), Terry
patent: 4584496 (1986-04-01), Frister
patent: 4882515 (1989-11-01), Radomski
patent: 4959577 (1990-09-01), Radomski
patent: 4972114 (1990-11-01), Frister
patent: 4980595 (1990-12-01), Arora
patent: 5047680 (1991-09-01), Torok
patent: 5130595 (1992-07-01), Arora
patent: 5132581 (1992-07-01), Kusase
patent: 5177391 (1993-01-01), Kusase
patent: 5382862 (1995-01-01), Ward et al.

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