HorizontalScrollCompressors-jci.pdfVIP

Horizontal Scroll Compressors for TRANSPORT Air Conditioning Application Printed in Japan (H) HR-E604 Sep. 2012 Exclusive design for transport air conditioning Compact size Light weight Low noise Low vibration High reliability thanks to MADE IN JAPAN High efficiency thanks to advanced technology C series G series E series History 1966 Started supply of reciprocating compressors for railway air conditioners. 1983 Started production of the world’s rst scroll compressor for packaged air conditioners. 1987 Started production of the world’s rst scroll compressor for railway air conditioners. 2008 Started supply of scroll compressor for all-electric bus air conditioners. Shinkansen (Bullet train) High-speed train Commuter Metro Tram Mono-rail All-electric bus Local train Advantages Compact size and Light weight Only 198mm* Only 35kg* Downsizing of HVAC unit * C series Reduce HVAC height and weight!! Cut by nearly 50% HVAC with Hitachi horizontal compressor C series HVAC with Hitachi vertical compressor equivalent capacity of C series Low pro le HVAC unit is optimum approach for roof top application. For Railway air conditioning Space saving HVAC is suitable for Metro, LRT, Bus. For Hybrid/ All-electric bus air conditioning Light weight HVAC can realize power-saving of the bus itself. 3 High reliability Comfort operation Hitachi original design, scroll compressor with high pressure chamber Pressure Temperature No oil foaming No oil foaming Starting operation Oil foaming Refrigerant solution ratio in the oil Low pressure chamber Crank case heater necessary Suction gas Discharge gas After starting, pressure and temperature decreases and refrigerant bubbles come over from the oil. Hitachi high pressure chamber Discharged refrigerant gas is averaged and stabilized. Suction gas comes directly into the scroll portion. Discharge gas Suction gas Crank case heater not necessary Compressed high pressure gas cycling inside of chamber. After starting, pressure and temperature incr