FIELD: transport.
SUBSTANCE: invention relates to two-floor passenger car air conditioning systems. Proposed system comprises two air preparation assemblies arranged on car ends with ceiling and floor inlet air ducts of every car floor an recirculation channels. Said channels are equipped with adjustable release holes. Air heater and shutters are provided for said channels. Shutters are connected with diffusers arranged inside the car. Top floor ceiling ducts are arranged between car isolation and passenger compartment ceiling, while bottom floor ceiling ducts are arranged between floor overlaying and passenger compartment ceiling. Recirculation channels are arranged between passenger compartment roof and ceiling and communicated with car corridors. Heaters are arranged between car isolation and facing panels on car floor.
EFFECT: improved air conditioning and heating.
4 cl, 8 dwg
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