Suspension device for a superconducting magnet heat shield...

Details Suspension device for a superconducting magnet heat shield... Suspension device for a superconducting magnet heat shield...

2009-02-27

2010-12-14

Chervinsky, Boris L (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S707000, C062S051100, C335S300000, C335S301000

Reexamination Certificate

active

07852629

ABSTRACT:
A suspension device mounts a superconducting magnet heat shield enclosure that encompasses a low-temperature container, that encompasses a superconducting magnet and holds coolant for cooling the superconducting magnet. The low-temperature container has an outer heat shield layer and an inner heat shield layer. A vacuum jacket encompasses the heat shield enclosure and has an outer vacuum shell and an inner vacuum shell. A first set of suspension parts connects the outer vacuum shell with the low-temperature container, and a second set of suspension parts connects the outer heat shield shell with the low-temperature container. Since the second set of suspension parts connect the heat shield enclosure directly with the low-temperature container, this reduces the relative movement between the two parts, thus alleviating the streaking phenomenon in a magnetic resonance image, if the superconducting magnet is part of a magnetic resonance imaging system.

REFERENCES:
patent: 4622824 (1986-11-01), Creedon
patent: 4721934 (1988-01-01), Stacy
patent: 4837541 (1989-06-01), Pelc
patent: 5032869 (1991-07-01), Herd et al.
patent: 61115307 (1986-06-01), None

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