| 摘要 |
PURPOSE:To perform a continuous sucking of refrigerant from both a refrigerant heater and an outdoor heat exchanger to a compressor in an air conditioner having a heat pump driven by an engine. CONSTITUTION:A heat pump 29 is comprised of a compressor 21, an indoor heat exchanger 23, a pressure reducing valve 24, an outdoor heat exchanger 25 and an accumulator 28 and the like. There is provided a refrigerant heater 30 for heating a part of the refrigerant sent from the indoor heat exchanger 23 under utilization of waste heat of an engine. There is provided an ejector 27 for mixing refrigerant sent from the refrigerant heater 30 with refrigerant sent from the outdoor heat exchanger 25 and returning the mixed refrigerant to the compressor 21 under the same pressure. |
