Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1990-01-08
1991-03-05
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
310168, H01F 702
Patent
active
049980840
ABSTRACT:
A multipolar magnetic ring is fomred by joining together two rings having the same geometry and magnetic characteristics. The coaxial rings have circumferentially spaced apart teeth which form identical magnetic poles. The magnetic poles of each ring are embedded into the spaces separating the magnetic poles of the other ring. The magnetic poles of each ring have the opposite polarity to the polarity of the adjacent poles of the other ring.
REFERENCES:
patent: 3585550 (1971-06-01), Weibenbrunn et al.
patent: 4555685 (1985-11-01), Maruyama et al.
patent: 4835505 (1989-05-01), Hattori et al.
Harris George
Minns Michael H.
The Torrington Company
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