Refrigerating cycle device and air conditioner

Abstract

A compressor 1 for compressing a refrigerant containing a hydrofluoroolefin refrigerant, a condenser 2 for condensing the refrigerant by heat exchange, a throttle device 4 for decompressing the condensed refrigerant, an evaporator 5 for evaporating the refrigerant by heat exchange between the decompressed refrigerant and air, and air adsorbing means 3 for adsorbing oxygen and nitrogen are connected by piping so as to configure a refrigerant circuit through which the refrigerant containing the hydrofluoroolefin refrigerant is circulated.

1 . A refrigerating cycle device, wherein
 a compressor for compressing a refrigerant containing a hydrofluoroolefin refrigerant;   
       a condenser for condensing said refrigerant by heat exchange; 
       expanding means for decompressing the condensed refrigerant; 
       an evaporator for evaporating said refrigerant by heat exchange between said decompressed refrigerant and air; and 
       air adsorbing means for adsorbing oxygen and nitrogen, are connected by piping so as to constitute a refrigerant circuit through which the refrigerant containing said hydrofluoroolefin refrigerant is circulated. 
     
     
         2 . The refrigerating cycle device of  claim 1 , wherein said air adsorbing means is disposed in a portion where a liquid state refrigerant with high pressure flows in said refrigerant circuit. 
     
     
         3 . The refrigerating cycle device of  claim 1 , wherein said air adsorbing means is disposed in a portion where a gas state refrigerant with low pressure flows in said refrigerant circuit. 
     
     
         4 . The refrigerating cycle device of  claim 3 , wherein a bypass circuit for having a part of said refrigerant pass through the air adsorbing means is disposed in a portion where the gas state refrigerant with low pressure flows in said refrigerant circuit. 
     
     
         5 . An air conditioner, wherein a target space is cooled/heated by the refrigerating cycle device of  claim 1 . 
     
     
         6 . A refrigerating cycle device, in which
 a compressor for compressing a refrigerant containing a hydrofluoroolefin refrigerant;   
       a condenser for condensing said refrigerant by heat exchange; 
       expanding means for decompressing the condensed refrigerant; and 
       an evaporator for evaporating said refrigerant by heat exchange between said decompressed refrigerant and air, are connected so as to constitute a refrigerant circuit through which the refrigerant containing said hydrofluoroolefin refrigerant is circulated, wherein air separating/removing means for removing said air from said refrigerant circuit is further provided. 
     
     
         7 . The refrigerating cycle device of  claim 6 , wherein said air separating/removing means is disposed in a portion where a liquid state refrigerant flows. 
     
     
         8 . The refrigerating cycle device of  claim 6 , wherein said air separating/removing means includes:
 an inflow pipe into which a refrigerant and air circulating in said refrigerant circuit flows;   a container for forming a portion in which the refrigerant and air having flown from the inflow pipe are separated and said air is collected;   an air vent pipe for emitting the air collected in the container to the outside;   an air vent valve for opening/closing the air vent pipe; and   an outflow pipe for having said refrigerant flow out to said refrigerant circuit.   
     
     
         9 . The refrigerating cycle device of  claim 6 , wherein said air separating/removing means is disposed at a portion to become the highest position in said refrigerant circuit and
 provided with an air vent pipe for emitting the air collected in the piping of said refrigerant circuit to the outside; and   an air vent valve for opening/closing the air vent pipe.   
     
     
         10 . Air conditioner, wherein each means constituting the refrigerating cycle device of  claim 6  is separately provided with:
 a single or a plurality of indoor units for performing cooling/heating of a space to be air-conditioned; and 
 a single or a plurality of outdoor units for supplying a heat quantity to make the indoor unit to perform said cooling/heating by circulating said refrigerant. 
 
     
     
         11 . The air conditioner of  claim 10 , wherein said outdoor unit is provided with said air separating/removing means. 
     
     
         12 . The air conditioner of  claim 10 , wherein said indoor unit is provided with said air separating/removing means. 
     
     
         13 . An air conditioner, wherein a target space is cooled/heated by the refrigerating cycle device of  claim 2 . 
     
     
         14 . An air conditioner, wherein a target space is cooled/heated by the refrigerating cycle device of  claim 3 . 
     
     
         15 . An air conditioner, wherein a target space is cooled/heated by the refrigerating cycle device of  claim 4 . 
     
     
         16 . Air conditioner, wherein each means constituting the refrigerating cycle device of  claim 7  is separately provided with:
 a single or a plurality of indoor units for performing cooling/heating of a space to be air-conditioned; and 
 a single or a plurality of outdoor units for supplying a heat quantity to make the indoor unit to perform said cooling/heating by circulating said refrigerant. 
 
     
     
         17 . Air conditioner, wherein each means constituting the refrigerating cycle device of  claim 8  is separately provided with:
 a single or a plurality of indoor units for performing cooling/heating of a space to be air-conditioned; and 
 a single or a plurality of outdoor units for supplying a heat quantity to make the indoor unit to perform said cooling/heating by circulating said refrigerant. 
 
     
     
         18 . Air conditioner, wherein each means constituting the refrigerating cycle device of  claim 9  is separately provided with:
 a single or a plurality of indoor units for performing cooling/heating of a space to be air-conditioned; and 
 a single or a plurality of outdoor units for supplying a heat quantity to make the indoor unit to perform said cooling/heating by circulating said refrigerant.