Multi-phase generator without slip rings and brushes

Electrical generator or motor structure – Dynamoelectric – Rotary

Patent

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Details

310171, H02K 300

Patent

active

040755215

ABSTRACT:
A multi-phase generator without slip rings and brushes and with no windings in its rotor has in its stator an exciting winding and an alternating current winding, mutually displaced half a stator pole pitch. The generator has an additional alternating current winding having a coil pitch about half that one of the original alternating current winding. The additional winding has a coil in each stator pole surface disposed in slots symmetrical in relation to a central slot for the original alternating current winding. For each phase two oppositely disposed coils of each set of alternating current windings, said sets being displaced 90.degree. (mechanical), are connected in series.

REFERENCES:
patent: 2761082 (1956-08-01), Chang
patent: 2790098 (1957-04-01), Nyyssonen
patent: 2790099 (1957-04-01), Nyyssonen
patent: 2827582 (1958-03-01), Krebs
patent: 2947894 (1960-08-01), Strang
patent: 3157810 (1964-11-01), Adkins
patent: 3535572 (1970-10-01), De Rugeris

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