摘要 |
<p>The present invention relates to a device for transferring liquid helium between two apparatuses at different potentials, comprising a first 1 and a second 2 adapter, a first 3 and a second 4 metal adapter tube, a first 5 and a second 6 internal metal tube for transporting the liquid helium, internal insulating connection means 7, external insulating connection means 8 which have fins 9 on their circumference, and a pumping pipe 10. <IMAGE></p> |