Re-condensation device and NMR analysis device provided therewith
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United States of America Patent
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Oct 21, 2014
Grant Date -
May 16, 2013
app pub date -
Mar 25, 2011
filing date -
Jun 16, 2010
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Abstract
A re-condensation device allows an NMR analysis device to be reduced in overall size and minimizes heat penetration into a liquid helium tank. An NMR analysis device provided with said re-condensation device. The re-condensation device includes: a second cooling member, part of which is inserted into a neck tube, and which re-condenses liquid helium; and a first cooling member, part of which is inserted into the neck tube. The second cooling member is thermally connected to a chiller's second cooling stage, and the first cooling member is thermally connected to the chiller's first cooling stage. The first cooling member has: a first insertion part, which has a diameter that allows insertion into the neck tube; and an inside contact part on the outer surface of the first insertion part and that cools heat seals by contacting, from the inside, a part of the neck tube that outside contact parts contact.
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