Dipole coil and structure for use in the manufacture thereof

Details Dipole coil and structure for use in the manufacture thereof Dipole coil and structure for use in the manufacture thereof

1991-07-15

1993-09-21

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335216, 335213, H01F 508

Patent

active

052472728

ABSTRACT:
A dipole coil for use in a superconducting electromagnet employs two saddle-shaped coils in a diametrically opposed relationship. Each of the saddle-shaped coils includes central linearly extending portions, and curved saddle portions at the ends of the coil, respectively. A trapezoidal curved portion spacer is wedged into place against part of the saddle portion of the coil at the end thereof so as to exert a compressive force on such part which will inhibit displacement of the coil windings when an electromagnetic force acts thereon. In this way, friction at the coil is suppressed so as to prevent quenching. At the other end of the coil, the trapezoidal spacer includes a triangular member and a trapezoidal member spaced from one another so as to define a passageway. Leads of the coil are respectively accommodated in such passageways to prevent an excessive force from acting thereon. In this way, damage to the leads is also prevented.

REFERENCES:
patent: 3626341 (1971-12-01), Dao
patent: 4038622 (1977-07-01), Purcell
patent: 4189693 (1980-02-01), Satti
patent: 4301384 (1981-11-01), Gaines
patent: 4554731 (1985-11-01), Borden
patent: 5027098 (1991-06-01), Okazaki et al.
Patent Abstracts of Japan, vol. 12, No. 69 (E-587) Mar. 3, 1988.
Patent Abstracts of Japan, vol. 10, No. 133 (E-404) May 17, 1986.

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