| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air cycle air conditioning system capable of improving freezing capability by raising the expansion ratio of an expansion turbine while preventing icing of drain. <P>SOLUTION: This system comprises the expansion turbine 20 expanding air A in the atmosphere, a compressor 21 compressing and discharging low-temperature air A1 from the expansion turbine 20, a heat exchanger 22 performing heat exchange between the low-temperature air A1 and air-conditioning air A2, and an exhaust and supply passage 16 supplying a part EA1 of exhaust air EA from the compressor 21 to the expansion turbine 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
