Frequency generator and miniature motor provided with the same

Details Frequency generator and miniature motor provided with the same Frequency generator and miniature motor provided with the same

1978-05-19

1980-12-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310154, 310160, 310181, 310266, 310268, H02K 4704

Patent

active

042373948

ABSTRACT:
An improved frequency generator is disclosed. The frequency generator includes such a permanent magnet that is magnetized in the direction of the axis of a rotary shaft with which the rotor of the generator is rotated. Between the second magnetic pole side of the permanent magnet and the rotor, there is disposed a flanged cylindrical frame member comprising a flange part and a cylinder part. At the side of the second magnetic pole, the permanent magnet is connected with the flange part of the frame member. The cylinder part of the frame member is arranged so as to surround the circumferential surface of the rotor. The flanged cylindrical frame member disposed in this manner is magnetically conductive so that the area through which the magnetic flux flows between the second magnetic pole side of the permanent magnet and the rotor is effectively increased as compared with the conventional one.

REFERENCES:
patent: 2202172 (1940-05-01), Stoller
patent: 2597207 (1952-05-01), Underwood
patent: 2898486 (1959-08-01), Sheldon
patent: 3197660 (1965-07-01), Leischner
patent: 3445701 (1969-05-01), Shapiro
patent: 3604965 (1971-09-01), Stroud
patent: 3736449 (1973-05-01), Honeywell
patent: 3931535 (1976-01-01), Roesel
patent: 4019104 (1977-04-01), Parker

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