Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Patent
1998-11-13
2000-03-28
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Superconductive type
324318, H01F 722, F25B 1900
Patent
active
060437294
ABSTRACT:
A superconductive magnet includes a superconductive coil assembly having a cryogenic vessel, a thermal shield enclosing the cryogenic vessel, and a vacuum enclosure enclosing the thermal shield. The cryogenic vessel, thermal shield and vacuum vessel have annular shells radially spaced apart from one another with reference to a common longitudinal axis and coaxially aligned with the common longitudinal axis. The magnet also includes a tube suspension assembly having a plurality of tubes located between respective ones of the cryogenic vessel, thermal shield and vacuum enclosure. The tubes are axially overlapped and are interconnected with one another and with the cryogenic vessel, thermal shield and vacuum enclosure. One tube has an end forming a sliding joint with the cryogenic vessel that allows both radial and axial movement of the cryogenic vessel relative to the thermal shield and vacuum enclosure during cooldown of the cryogenic vessel from ambient to cryogenic temperatures.
REFERENCES:
patent: 4935714 (1990-06-01), Vermilyea
patent: 5446433 (1995-08-01), Laskaris et al.
patent: 5530413 (1996-06-01), Minas et al.
patent: 5563566 (1996-10-01), Laskaris et al.
patent: 5651256 (1997-07-01), Herd et al.
Amm Bruce Campbell
Laskaris Evangelos Trifon
Nagendra Somanath
Barrera Raymond
Donovan Lincoln
General Electric Company
Snyder Marvin
Stoner Douglas E.
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