Inductor devices – With permanent magnet
Patent
1998-02-10
1999-07-20
Gellner, Michael L.
Inductor devices
With permanent magnet
336160, 336165, 336178, H01F 2100, H01F 2108
Patent
active
059260831
ABSTRACT:
A static magnet dynamo including at least one permanent magnet having different poles; a first core comprising a soft magnetic material and which couples the different poles of the permanent magnet to form a closed magnetic path therein; a second core comprising a soft magnetic material which couples to the closed magnetic path via a paramagnetic material to form an open magnetic path; a magnetized coil wound around a portion of the first core where the closed magnetic path is formed; and an induction coil wound around a portion of the second core. A direction of a flux of the closed magnetic path is changed by applying an alternating voltage to the magnetized coil, generating an electromotive force in the induction coil by electromagnetic induction due changes in a flux of the open magnetic path induced by the change in direction of the flux of the closed magnetic path.
REFERENCES:
patent: 4020433 (1977-04-01), Uchidoi et al.
patent: 4031457 (1977-06-01), Oberbeck
patent: 4122385 (1978-10-01), Oberbeck
patent: 4989574 (1991-02-01), Abe
Joshi, New magnetic device, Journal of the Institude of Engineers (India), Electronics and Telecommunication Engineering Division vol. 56, Apr. 1976.
Gellner Michael L.
Mai Anh
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