Ge Medical Systems Global Technology Company, LLC

Kathleen W McGuinness

Gregory Alan Lehmann

Clifford J Ginfrida

Roy A Mangano

Greogory A Lehmann

A magnetic resonance assembly comprising, a liquid cryogen vessel, a liquid cryogen cooled conducting magnet disposed within the liquid cryogen vessel, a closed vaccum vessel surrounding the liquid cryogen vessel and spaced from the liquid cryogen vessel, a cooling device fixably attached to the vacuum vessel operable for providing cryogenic temperatures to the superconducting magnet, a heat exchanger device in thermal contact with the liquid cryogen vessel operable for heat exchange, and a bus bar in thermal contact with the cooling device and the heat exchanger device. The cooling device may be a pulse tube cryocooler capable of providing temperatures of about 4 K. A thermal bus bar of high purity aluminum or copper is used to connect and provide a spatial separation of a pulse tube cryocooler and a remote recondenser unit, thus reducing the overall height of the magnet assembly.

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Florence, SC, United States of America

Kathleen W McGuinness