Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1987-12-04
1989-05-30
Salce, Patrick R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310165, 310217, 336132, H02K 1912
Patent
active
048354317
ABSTRACT:
A multi-phase electrical transformer includes a rotor-stator structure that provides varying-reluctance magnetic-field paths in which the magnetic fields pass through plural stator cores on which phased primary and secondary windings are mounted and through a rotor that includes two annular poles attached to cylindrical pole-connecting means. At least one of the annular poles includes at least one field concentrator member. An optional stationary field winding surrounds the pole-connecting means in the region between said pole-connecting means and the stator cores, and permits adjustment of power factor in primary or secondary windings. The structure permits separation of stator core and pre-formed windings for repair and permits the core and windings to operate at cooler temperatures without additional cooling apparatus. The device of this invention is capable of simultaneous operation as a transformer and a synchronous machine.
REFERENCES:
patent: 2740110 (1956-03-01), Trimble
patent: 3005969 (1961-10-01), Wysocki
patent: 4404559 (1983-09-01), Renner
patent: 4543502 (1985-09-01), Jarret et al.
patent: 4714854 (1987-12-01), Oudet
Lindgren Theodore D.
Rebsch D. L.
Salce Patrick R.
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