Electromagnetic motor with two coaxial rotors

Details Electromagnetic motor with two coaxial rotors Electromagnetic motor with two coaxial rotors

1997-11-20

1999-06-29

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310156, H02K 2114, H02K 3714

Patent

active

059172576

ABSTRACT:
The motor (1) includes three stator parts (11, 12, 13) and two coaxial rotors (2, 3) each including a multipolar magnet having axial magnetization (4, 5) arranged between the third (13) and the first (11) respectively the second stator poles (12). The latter each comprises two stator poles (15, 16, 22, 23) having a plurality of teeth (19, 20, 26, 27) staggered with respect to one another. In the rest positions of the rotors (2, 3) the magnetic dipoles (6) of their magnets (4, 5) are phase-shifted with respect to the respective teeth (19, 20, 26, 27). Two coils (51, 52) are each coupled to a stator pole (15, 22), a third coil (53) is coupled to the other two stator poles (16, 23).
As result of this arrangement, the motor (1) is compact and its rotors (2, 3) are able to rotate in both directions independently of each other.

REFERENCES:
patent: 4031419 (1977-06-01), Spiesberger et al.
patent: 4455499 (1984-06-01), Sudler
patent: 4642494 (1987-02-01), Lundin et al.
patent: 4733114 (1988-03-01), Suyama et al.
patent: 5124599 (1992-06-01), Chan et al.
Patent Abstracts of Japan vol. 16, No. 482 (E-1275), Oct. 7, 1992 & JP 04 172974 A (Seiko Epson), Jun. 19, 1992.

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