Vacuum tube railway system
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United States of America Patent
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May 31, 2022
Grant Date -
Feb 10, 2022
app pub date -
Mar 14, 2020
filing date -
Mar 14, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Vacuum tube railway system comprising a vacuum tube mounted on a ground support, a magnetic levitation railway track mounted inside a wall forming the vacuum tube for guiding a magnetic levitation railway vehicle, the vacuum tube assembled in sections along the ground support, at least some of a plurality of sections of vacuum tube being coupled together by a dilatation joint configured for hermetically sealing a dilatation gap between said sections of tube. The dilatation joint comprises at least first and second support plates mounted on an outer surface of the tube wall, a first support plate fixed to a first section of vacuum tube and a second support plate being fixed to a second section of vacuum tube, the support plates extending longitudinally over the dilatation gap over a length (L1) greater than a maximum dilatation gap (G).
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