Magnetic multi-pole arrangement of the nth order

Details Magnetic multi-pole arrangement of the nth order Magnetic multi-pole arrangement of the nth order

1984-05-29

1986-12-30

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335209, H01F 700, H01F 100

Patent

active

046332081

ABSTRACT:
An nth order magnetic multipole arrangement for influencing the trajectory of charged particles is disclosed. In order to avoid using structural parts that are manufactured separately, it has been found to provide as the multipole arrangement, the stator of a multi-pole alternating current machine, the stator winding of which is fed by a voltage source in such a way that the produce of current and number of turns (number of ampere turns) in a groove or group of grooves disposed under the azimuth angle .theta. is proportional to cos (n .theta.), n corresponding to the order (order number) of the multipole arrangement, and the factors a and b being taken from the ratio b/a which states the orientation of the multipole relative to the azmith angle .theta.=0. As the multipole arrangement there may be provided also a stator, excited by permanent magnets, of a direct current machine.

REFERENCES:
patent: 2157182 (1939-05-01), Maloff
patent: 2718606 (1955-09-01), Zuerker
patent: 3141117 (1964-07-01), Scheer et al.
patent: 3831121 (1974-08-01), Oster
patent: 4153889 (1979-05-01), Ikegami
patent: 4381490 (1983-04-01), Peters
patent: 4494040 (1985-01-01), Moretti
patent: 4549155 (1985-10-01), Halbach

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