Electricity: electrical systems and devices – Safety and protection of systems and devices – Superconductor protective circuits
Reexamination Certificate
2011-06-28
2011-06-28
Leja, Ronald W (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Superconductor protective circuits
Reexamination Certificate
active
07969695
ABSTRACT:
A superconductive magnetic coil arrangement has a superconducting magnetic coil and a circuit for quench protection. The quench protection circuit includes at least one diode connected in parallel with a portion of the superconductive magnetic coil. The at least one diode is in thermal contact with the superconductive magnetic coil A magnetic resonance tomography apparatus embodies such a magnetic coil arrangement.
REFERENCES:
patent: 3025416 (1962-03-01), Johnson
patent: 3242418 (1966-03-01), Mela et al.
patent: 4689707 (1987-08-01), Schwall
patent: 4807084 (1989-02-01), Takechi
patent: 6112531 (2000-09-01), Yamaguchi
patent: 6147844 (2000-11-01), Huang et al.
Leja Ronald W
Schiff & Hardin LLP
Siemens Aktiengesellschaft
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