US 11,749,435 B2
Pre-cooling and removing ice build-up from cryogenic cooling arrangements
William James Bickell, Witney (GB); Simon Chorley, Witney (GB); Zhi Qiang Long, Shenzhen (CN); and Jun Zhao Wu, Shenzhen (CN)
Assigned to Siemens Healthcare Limited, Camberley (GB)
Filed by Siemens Healthcare Limited, Camberley (GB)
Filed on Sep. 30, 2021, as Appl. No. 17/490,309.
Claims priority of application No. 202011060915.3 (CN), filed on Sep. 30, 2020.
Prior Publication US 2022/0102041 A1, Mar. 31, 2022
Int. Cl. H01F 6/04 (2006.01); H01F 6/06 (2006.01)
CPC H01F 6/04 (2013.01) [H01F 6/06 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A superconducting magnet arrangement comprising:
an outer vacuum container (OVC) housing;
magnet coils;
a cryogen vessel thermally linked to the magnet coils;
a cold head sock accommodating a cold head, and a thermal contact provided between the cold head and the magnet coils;
tubes linking the cryogen vessel with the cold head sock such that a thermosiphon circuit is defined by the cryogen vessel, the tubes, and the cold head sock;
a connecting port coupled to the cold head sock and providing a fluid path from the cryogen vessel to an exterior of the OVC housing;
an auxiliary vent tube providing a fluid path from the cryogen vessel to an external cooling arrangement; and
a thermal intercept thermally linking a location on the auxiliary vent tube to a location on the cold head sock.