Patent ID: 6336409
Filing Date: 2002-01-08
Classification: B61C,B61D

Abstract:
A modular railway rake comprising:a plurality of modular vehicles, each with two superposed levels; a plurality of bogies with driving axles and carrying axles; one or more traction motors; on-board equipment, said on-board equipment comprising at least one power supply electronic unit for supplying motive power to said one or more traction motors, at least one motive power supply unit for supplying power to the electronic unit, at least one auxiliary power supply unit for supplying power to auxiliary equipment, and at least one device for connection to an overhead power supply network, wherein at least one of said plurality of modular vehicles includes at least one bogie of said plurality of bogies with at least one driving axle, and at least one bogie of said plurality of bogies with at least one carrying axle of said carrying axles, and wherein at least one bogie of said plurality of bogies includes at least one of said carrying axles with at least one of said on-board equipment items disposed approximately over that bogie, and wherein the motive power factor of one of the modular vehicles or a group of modular vehicles of said plurality of modular vehicles making up said rake is defined as the ratio of the number of driving axles to the total number of axles of the one modular vehicle or the group of modular vehicles, and the ratio between the respective motive power factors of any two groups of two modular vehicles of the rake is not less than &frac13; and not more than 3.