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Transportation system and vehicle for supersonic transport

  • US 10,457,295 B2
  • Filed: 05/26/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 02/02/2010
  • Status: Active Grant
First Claim
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1. A transportation system comprising:

  • a substantially enclosed conduit provided between a first geographic location and a second geographic location, the enclosed conduit having a cross-section of a fluted tube and being provided with an atmosphere that allows a vehicle traveling within the enclosed conduit to achieve aerodynamic tunneling, the cross-section having a curve outlining one or more lobes and one or more waists, the cross-section being defined by a polar-coordinate equation r=a+b cos2 ct, wherein r is a distance of a point on the curve from a pole, t is an angle in a polar coordinate system, c is an integral multiple of ½

    , and a and b are real parameters, wherein none of a, b and c is zero, and wherein the atmosphere inside the enclosed conduit has a density such that a speed of sound is greater than a speed of sound of atmospheric air outside of the enclosed conduit.

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