The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2019
Filed:
Jun. 29, 2018
Hyperloop Transportation Technologies, Inc., Culver City, CA (US);
Alexandre Neophytou, Toulouse, FR;
Michael Sarin, Phoenix, AZ (US);
Alexandre Zisa, Colomiers, FR;
Spencer John Baldwin, Olympia, WA (US);
Hyperloop Transportation Technologies, Inc., Culver City, CA (US);
Abstract
A tubular transportation system is disclosed for transporting one or more passengers or one or more cargoes via a capsule along a predetermined route. The tubular transportation system has: (1) a plurality of substantially evacuated tubes arranged along the predetermined route, where each tube is maintained at a pressure that is below atmospheric pressure; and (2) means for maintaining within each tube in the plurality of substantially evacuated tubes, a gaseous composition comprising a mixture of a first percentage, x, of helium and a second percentage, (100−x), of air, and wherein the first percentage, x, of helium is picked based on a predetermined power value and a leak rate associated with the tube.