PASSENGER CAR AIR CONDITIONING PLANT Russian patent published in 2004 - IPC

FIELD: railway transport; mechanical engineering. SUBSTANCE: invention relates to air conditioning devices for use in vehicles, including railway rolling stock. Proposed device is made in form of self-contained unit located in under-roof space of railway car. It contains sealed heat-insulated housing with air inlet and outlet ports. Housing is divided by partition into two compartment, one accommodating axial- flow fan cooling compressor and air condensers, and the other, suction fan, outside air valves, electric and water heaters, air coolers and air filters. Novelty is that at least one axial-flow fan is installed additionally in compartment accommodating cooling compressor and condensers. Ports are provided in said partition dividing heat-insulated housing into two compartments on sections between ports to let in outside air and condensers. Controllable valves are installed in ports for outside air in partition. Axial-flow fans are provided with thyratron dc motors. EFFECT: improved energy saving characteristics of air conditioner, possibility of stepless regulation of air outlet parameters, provision of intensive ventilation in emergency. 2 cl, 2 dwg