Koninklijke Philips Corporation N.v.

Michael Leslie Allitt

Johannes Adrianus Overweg

Philip Alexander Jonas

Gerardus Bernardus Jozef Mulder

Philippe Abel Menteur

Glen George Pfleiderer

Viktor Mokhnatyuk

Johannes Ferdinand Van Der Koijk

Xianrui Huang

Xiandrui Huang

An apparatus includes an electrically conductive coil which produces a magnetic field when an electrical current passes therethrough; a selectively activated persistent current switch connected across the electrically conductive coil; a cryostat having the electrically conductive coil and the persistent current switch disposed therein; an energy dump; at least one sensor which detects an operating parameter of the apparatus and outputs at least one sensor signal in response thereto; and a magnet controller. The magnet controller receives the sensor signal(s) and in response thereto detects whether an operating fault (e.g. a power loss to the compressor of a cryocooler) exists in the apparatus, and when an operating fault is detected, connects the energy dump unit across the electrically conductive coil to transfer energy from the electrically conductive coil to the energy dump unit. The energy dump unit disperses the energy outside of the cryostat.

System and method for automatically ramping down a superconducting persistent magnet

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Latham, NY, United States of America

Michael Leslie Allitt