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AIR CONDITIONING DEVICE FOR VEHICLES, CAPABLE OF MAINTAINING COOLING PERFORMANCE SAME AS OR MORE THAN USING EXISTING REFRIGERANT EVEN THOUGH USING NEW REFRIGERANT
AIR CONDITIONING DEVICE FOR VEHICLES, CAPABLE OF MAINTAINING COOLING PERFORMANCE SAME AS OR MORE THAN USING EXISTING REFRIGERANT EVEN THOUGH USING NEW REFRIGERANT
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机译：车辆空调设备，能够保持冷却性能与使用现有制冷剂相同或更高，甚至使用新制冷剂也是如此
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摘要
PURPOSE: An air conditioning device for vehicles is provided to remarkably increase cooling performance even though using new refrigerant by having a structure for using an internal heat exchanger when the new refrigerant is used.;CONSTITUTION: An air conditioning device for vehicles comprises a condenser(20), an evaporator(40), a compressor(10), and an internal double-pipe heat exchanger(50). The internal double-pipe heat exchanger is arranged in a pipe path between the condenser and the evaporator and the evaporator and the compressor. The internal double-pipe heat exchange comprises an internal path(52a) and an external path(54a). High temperature refrigerant supplied from the condenser to the evaporator and low temperature refrigerant supplied from the evaporator to the compressor are heat-exchanged each other through the internal path and the external path. The effective rectilinear length(l) of the internal path and the external path is at least over 200mm.;COPYRIGHT KIPO 2012
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