Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1985-02-04
1986-07-08
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
H01F 722
Patent
active
045995923
ABSTRACT:
A device for holding the winding housing of a superconducting magnet winding which is to be cooled to a low temperature, the winding housing surrounded by a cooled radiation protection shield, which itself is enclosed by an outer housing approximately at room temperature, includes at least one rigid tubular support element which has low thermal conductivity, arranged between the outer housing and the winding housing and connected to the radiation protection shield. In order that the holding device causes only minimal heat transfer into the cold winding housing and still permits safe transport of the warm structure, the winding housing is suspended in the outer housing by means of a poorly heat-conducting suspension device, and the tubular support element is designed to have a variable length, so that a form-locking fit between with the outer housing and the winding housing is set at room temperature. The support element is attached by means of a fastening device comprising a spring element to the radiation protection shield in such a manner that a form-locking fit with the outer housing always exists, so that as the winding housing shrinks with cooling, the support no longer contacts the winding housing and heat transfer through the support element to the winding housing is no longer possible.
REFERENCES:
patent: 3389353 (1968-06-01), Kafka et al.
patent: 3996545 (1976-12-01), Elsel et al.
patent: 4379275 (1983-04-01), Elsel
"National Accelerator Laboratory", The Heim Column; A Low Heat Leak Temperature Stabilized Support; J. B. Heim; Dec. 10, 1971.
Harris George
Siemens Aktiengesellschaft
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