Dual rotor magnet machine

Details Dual rotor magnet machine Dual rotor magnet machine

1987-02-19

1988-11-01

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310181, H02K 1602

Patent

active

047822570

ABSTRACT:
This alternator comprises an assembly of rotors (2), including a common shaft (3) on which are fixed a first rotor (4) having permanent magnets and a second, homopolar rotor (5), this assembly being disposed in a common stator whose power windings (7) surround the two rotors (4,5). An excitation coil (6) is disposed in confronting relation to the homopolar rotor and is supplied with direct current or alternating current as a function of the speed of rotation of the rotor assembly. In this way there is produced a magnetic flux which is added to that produced by the permanent magnets or is subtracted therefrom so as to maintain the output of the alternator constant.

REFERENCES:
patent: 2753475 (1956-07-01), Curl
patent: 3214675 (1965-10-01), Foster
patent: 3535572 (1970-10-01), De Rugeris
patent: 3671788 (1972-06-01), Knudson et al.
patent: 3713015 (1973-01-01), Frister
patent: 4151455 (1979-04-01), Jauotik
patent: 4472673 (1984-09-01), Miller
patent: 4656379 (1987-04-01), McCarty
Krug et al., "Electrical Correcting Elements in Automatic Control and Regulation Circuits", Pergamon, 1964, pp. 2 and 3.
Mailfert, "Machines a Reluctance Variable", Les Techniques de l'ingenieur", 1986, pp. 550-513 and 514.

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