PASSENGER CAR AIR-CONDITIONING SYSTEM Russian patent published in 2006 - IPC B61D27/00 

FIELD: railway transport; air-conditioning systems.

SUBSTANCE: proposed air-conditioning system contains set for processing and transportation of air connected by hoses with at least one recirculation and one incoming air ducts located between roof and ceiling of car, in housing of which exhaust holes furnished with regulated valves and incoming holes are made, respectively. Incoming holes are provided with regulated valves. Area of passage of regulated valves increases in direction of air flow in incoming duct and decreases in direction of air flow in recirculation air duct. Partition setting direction of air flow in saloon is installed along longitudinal axis of car. Regulated valves are connected by adapters with holes in ceiling located in car compartments. Regulated valve consists of movable plate connected by screw-nut pair with fixed part consisting of base with fitted-on U-shaped support of screw and secured on base of semiround obstacle. At least one deflector to let out air is made in car roof.

EFFECT: provision of tolerable velocity of air flow and high specific number of air changes per hour, easy and convenient control of volume of incoming and recirculation air in passenger car saloon.

3 cl, 6 dwg