A system includes at least one tube forming a portion of a transportation path, wherein the tube is maintained as a low-pressure environment, a propulsion system configured to propel at least one capsule through the tube, a levitation system configured to levitate the capsule within the tube, and at least one tube sealer arranged along the at least one tube and configured to selectively create an airlock in the at least one tube.
GATE VALVES AND AIRLOCKS FOR A TRANSPORTATION SYSTEM
2017-05-25
Patent
Electronic Resource
English
AIAA | 2009
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