Magnetic coil capable of simultaneously providing multiple...

Details Magnetic coil capable of simultaneously providing multiple... Magnetic coil capable of simultaneously providing multiple...

2011-01-18

2011-01-18

Mai, Anh T (Department: 2832)

Inductor devices

Coils of special configuration

C708S845000

Reexamination Certificate

active

07872562

ABSTRACT:
A method for constructing a conductor assembly of the type formed of one or more coil rows which, when conducting current, generate a magnetic field or in which, in the presence of a changing magnetic field, a voltage is induced. In one embodiment comprises forming a conductor pattern in a first coil row according to the relationshipin-line-formulae description="In-line Formulae" end="lead"?X(θ)=[h/(2*π)]θ+ΣAnsin(nθ+φn)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Y(θ)=Rcos(θ)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?Z(θ)=Rsin(θ),in-line-formulae description="In-line Formulae" end="tail"?the first coil row pattern suitable for simultaneously generating at least two multipole orthogonal field components of different orders, wherein:X is measurable along an X axis, Y is measurable along a Y axis and Z is measurable along a Z axis,the coil row extends along the X axis,the coil row is formed with a conductor configured in a series of turns about the X axis creating spaced-apart segments of the conductor such that, along first portions of the segments, individual segments are relatively straight and along second portions of the segments the segments follow a contour having a definable radius of curvature, the series of turns providing a geometrical configuration for generating a first multipole component of order n=i with An=Aiand φn=φiand a second multipole component of order n=j with An=Ajand φn=φjwith φinot equal to φj.

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Ball, MJ et al, Modulated Double Helix Quadrupole Magnets, IEEE Transactions on Applied Superconductivity, IEEE Service Center Los Alamitos CA, US vol. 13, No. 2—Jun. 1, 2003, pp. 1369-1372.
Ball, MJ et al, “The Double Helix dipole- a novel approach to Accelerator Magnet Design” IEEE Transactions on Applied Superconductivity, IEEE Service Center Los Alamitos, CA, US, vol. 13, No. 2—Jun. 1, 2003, pp. 1365-1368.

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