| 摘要 |
A braking device for vehicles includes a multi-phase generator on the vehicle driven by movement of the vehicle for generating multi-phase electric current. Induction motor means includes a stator and a part which moves relative to the stator during movement of the vehicle. The stator is fixed to the vehicle against movement relative thereto. The generator is connected with the stator of the induction motor for producing a traveling magnetic field in the stator which exerts a force on the moving part in a direction tending to propel the vehicle in a direction opposite to its then direction. This applies a braking force to the vehicle.
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