Bobbinless solenoid coil

Details Bobbinless solenoid coil Bobbinless solenoid coil

1985-03-18

1987-02-24

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335216, 29605, H01F 500

Patent

active

046460446

ABSTRACT:
A large diameter, high current capacity, superconductive solenoid coil is formed by winding a conductor around a cylindrical mandrel 2, and then encasing the outer surface of the coil 1 with a support cylinder comprising an assembly of cylinder sectors 11 rigidly joined together along axial seam lines. The joining of the sectors may be implemented by welding, and heat shielding strips 13 may be disposed in recesses 15 in the sectors to prevent thermal damage to the coil insulation 14 during the welding. The support cylinder serves to absorb heat generated during the operation of the coil, and to withstand the outwardly directed electromagnetic forces developed. The mandrel is removed after the cylinder sectors are joined.

REFERENCES:
patent: 3158793 (1964-11-01), Swartz
patent: 3613006 (1971-10-01), Kantrowitz
patent: 4066991 (1978-01-01), Marstoxi et al.

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