68440 ⎘
Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
Bidirectional windage resistance brake apparatus
#2Hypertube transport system
#3System and method for controlling centralized brake of vehicles, a motor train set brake control system
#4ADAPTIVE VELOCITY CONTROL SYSTEM AND METHOD
#5CONTROL METHOD FOR AERODYNAMIC BRAKE DEVICE