Segmented interlayer spacer bars for multilayer superconducting

Details Segmented interlayer spacer bars for multilayer superconducting Segmented interlayer spacer bars for multilayer superconducting

1990-01-16

1991-07-30

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

335299, 335266, 335300, 505 1, 505885, 505879, H01F 300

Patent

active

050363050

ABSTRACT:
A spacer bar, or system of spacer bars, interposed between coil layers of a coil structure. The spacer bar comprises a block of electrical insulating material adapted to be arranged between adjacent layers of a coil. The spacer bar may comprise several spacer bar sections segmented axially and provided with flexible joints (e.g., Belleville washers) between sections to permit each section to move with the adjacent coil layers (the coil layers between which the section is interposed). The sections of the spacer bar are held together by passing a rod through holes provided through each section. Between each pair of spacer sections, a Belleville washer is installed to assure that under continued cycling (e.g., expansion and contraction of the coil), the spacer sections return to their original location. To maintain an adequate creep path at the ends of the blocks or sections, notches can be cut into a face of each block or section.

REFERENCES:
patent: 3559126 (1971-01-01), Drautman
patent: 4189693 (1980-02-01), Satti
patent: 4295111 (1981-10-01), Wang
patent: 4902995 (1990-02-01), Vermilyea

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