Electrical machine

Details Electrical machine Electrical machine

1985-08-05

1987-11-03

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

290 46, H02K 1300

Patent

active

047045523

ABSTRACT:
An electrical machine comprising a stator having electrical windings and a permanent-magnet rotor which carries a shaft arranged for connection to a prime mover. The machine, when the shaft is driven by a prime mover, acts as an alternator to produce alternating electrical current. A commutator is provided on the shaft and electrical-current-transferring brushes are associated with the commutator. Means is electrically associated with the segments of the commutator and with the electrical windings on the stator so that, whe the brushes are connected to a source of direct electrical current, the machine acts as a motor and the shaft is caused to rotate for starting a prime mover connected to the shaft.

REFERENCES:
patent: 2747116 (1956-05-01), Poole
patent: 3173043 (1965-03-01), Newill
patent: 3436573 (1969-04-01), Persson
patent: 3555322 (1971-01-01), Apsit
patent: 3577002 (1971-05-01), Hall et al.
patent: 3590262 (1971-06-01), Sheffield et al.
patent: 3904883 (1975-09-01), Horwinski
patent: 4219739 (1980-08-01), Greenwell
patent: 4347453 (1982-08-01), Gaus
patent: 4516047 (1985-05-01), Duverger

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