68023 ⎘
Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels by controlling wheel pressure, e.g. by movable weights or heavy parts or by magnetic devices Specially adapted for tunnel systems vehicles, e.g. with pressure increasing arrangements
Dynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation
#2Injection System and Method for Injecting Helium and/or Hydrogen in Critical Aerodynamic Areas Around a Capsule in a Tube Transportation System
#3Combined Pumping / Gas Source Unit Configured For Use in a Tubular Transportation System
#4Method of using air and hydrogen in low pressure tube transportation
#5Tube transportation systems using a gaseous mixture of air and hydrogen
#6Method of using air and helium in low-pressure tube transportation systems
#7Method and an article of manufacture for determining optimum operating points for power/cost and helium-air ratios in a tubular transportation system
#8High speed transportation with transporter enveloped by low pressure in running tube
#9Method of using air and helium in low-pressure tube transportation systems
#10Tube transportation systems using a gaseous mixture of air and helium