Magnet configuration with permanent magnets

Details Magnet configuration with permanent magnets Magnet configuration with permanent magnets

1992-12-24

1994-09-06

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335211, 335302, 20429816, C23C 1400, H01F 300

Patent

active

053452070

ABSTRACT:
The invention relates to a magnet configuration with permanent magnets (5, 6) around a yoke (2, 3, 4) connecting these permanent magnets (5, 6). The magnetic field strength of this magnet configuration is varied thereby that in the region of the yoke (2, 3, 4) at least one rotatable body (8) is provided which comprises at least two spatially separated materials (9, 10) with different magnetic properties.

REFERENCES:
patent: 3452310 (1966-11-01), Israelson
patent: 3582017 (1971-06-01), Zecca
patent: 4250478 (1981-02-01), Cardone et al.
patent: 4376272 (1983-03-01), Osakabe
patent: 4465993 (1984-08-01), Braillon
patent: 4636756 (1987-01-01), Ito
patent: 4974512 (1990-12-01), Russo
patent: 5079481 (1992-01-01), Moslehi
patent: 5097240 (1992-03-01), Nakanishi

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