Railway vehicle with antifreezing device, and related method

A method for discharging a liquid produced during generation of electricity by a power generation device connected to an external side of a car body of a railway vehicle, said power generation device comprising an outlet for discharging out at least part of said liquid produced during generation of electricity, the method comprising at least:

• putting a hydraulic system in fluid communication with said outlet to receive at least part of the liquid produced during generation of electricity by said power generation device, wherein said hydraulic system comprises a first end portion connected to said outlet, a second end portion, spaced apart from said first end portion, for draining out from the hydraulic system the received liquid, and a third intermediate portion which is interconnected between said first and second end portions and is placed, at least partially, in an internal area of the railway vehicle which is adapted to be heated, wherein said third intermediate portion is placed, for a predominant part of its extension, inside said internal area adapted to be heated which is suitable for accommodating passengers;
• heating said internal area of the car body;
• conveying, at least part of the liquid produced during generation of electricity by said power generation device, via said hydraulic system, inside said heated internal area;
• draining outside the car body, via said hydraulic system, the conveyed liquid at a position spaced apart from said outlet.