Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1991-09-16
1992-03-24
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335304, 335210, 335211, 335214, 315 535, H01F 702
Patent
active
050992171
ABSTRACT:
A cladded magnet twister device for a microwave/millimeter wave source is comprised of a plurality of polygonal similarly magnetized magnet segments. Each magnet segment is displaced radially in equal angular segments along the central axis relative to its neighboring segment to provide a transverse helical field and is comprised of a relatively short length of an array of bar magnets, cladding magnets, bucking magnets, pole pieces and corner pieces. The pole pieces are secured to the ends of the bar magnets and have convex faces which are directed inwardly toward one another.
REFERENCES:
patent: 4654618 (1987-03-01), Leupold
patent: 4658228 (1987-04-01), Leupold
patent: 4764743 (1988-08-01), Leupold
A. B. C. Morcos, E. Potenziani, II, Herbert A. Leupold, "Permanent-Magnet ructures for the Production of Transverse Helical Fields", IEEE Transactions on Magnetics, vol. MAG-22, No. 5, pp. 1066-1068, Sep. 1986.
Anderson William H.
Barrera Ramon M.
Picard Leo P.
The United States of America as represented by the Secretary of
Zelenka Michael
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