The invention relates to an energy-supplying double-deck carriage, in particular a passenger double-deck carriage, for power supply, in which a main transformer is arranged in the roof region, preferably on or at the roof, and moreover preferably substantially above a bogie.

The invention relates to an energy-supplying double-deck carriage, in particular a passenger double-deck carriage, for power supply, in which a main transformer is arranged in the roof region, preferably on or at the roof, and moreover preferably substantially above a bogie.

The invention relates to a rail vehicle having a car body comprising an upper level and a lower level separated by an intermediate floor. The intermediate floor comprises at least two intermediate floor elements, the intermediate floor elements being arranged one behind the other in the longitudinal direction of the rail vehicle. A dilation profile is disposed between a first and second intermediate floor element.

The invention relates to a rail vehicle having a car body comprising an upper level and a lower level separated by an intermediate floor. The intermediate floor comprises at least two intermediate floor elements, the intermediate floor elements being arranged one behind the other in the longitudinal direction of the rail vehicle. A dilation profile is disposed between a first and second intermediate floor element.