- 专利标题: CRYOGEN-FREE MAGNET SYSTEM COMPRISING A MAGNETOCALORIC HEAT SINK
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申请号: US15592889申请日: 2017-05-11
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公开(公告)号: US20170328968A1公开(公告)日: 2017-11-16
- 发明人: Patrick WIKUS , Joerg HINDERER
- 申请人: Bruker BioSpin AG
- 优先权: DE102016208226.4 20160512
- 主分类号: G01R33/38
- IPC分类号: G01R33/38 ; G01R33/3815
摘要:
A cryostat system is kept at a cryogenic operating temperature without providing or supplying cryogenic fluids by a cryocooler. The cryostat system includes a superconducting magnet arrangement and a heat sink apparatus to prolong the time before the superconducting magnet arrangement quenches/returns to the normally conducting state if active cooling fails. The heat sink apparatus includes magnetocaloric material and is thermally connected to the superconducting magnet arrangement and/or to parts of the cryostat system through which ambient heat can flow to the superconducting magnet arrangement. In this way, the cryostat system can be operated in a truly “cryogen-free” manner while maintaining a sufficiently long time to quench in the event of potential operational malfunctions.