Refrigeration cycle apparatus

Abstract

A refrigeration cycle apparatus is provided with a refrigerant circuit through which a zeotropic refrigerant mixture circulates and a heat exchanger that allows the zeotropic refrigerant mixture and a fluid to exchange heat with each other, in which, to the heat exchanger, pressure loss is applied such that refrigerant-outlet temperature that is the temperature of refrigerant at an outlet decreases by a set amount.

1 . A refrigeration cycle apparatus comprising:
 a refrigerant circuit through which a zeotropic refrigerant mixture circulates; and   a heat exchanger that allows the zeotropic refrigerant mixture and a fluid to exchange heat with each other,   to the heat exchanger, pressure loss being applied such that refrigerant-outlet temperature that is temperature of refrigerant at an outlet decreases by a set amount,   the heat exchanger being formed such that the pressure loss is larger than or equal to an amount of pressure loss in a case in which a decrease amount of the refrigerant-outlet temperature is caused to be first decrease temperature and the pressure loss is less than or equal to an amount of pressure loss in a case in which a decrease amount of the refrigerant-outlet temperature is caused to be second decrease temperature that is higher than the first decrease temperature.   
     
     
         2 . The refrigeration cycle apparatus of  claim 1 , wherein at least one of a pipe diameter, the number of paths, and a flow speed at which the zeotropic refrigerant mixture flows is determined such that the pressure loss is applied to the heat exchanger. 
     
     
         3 . (canceled) 
     
     
         4 . The refrigeration cycle apparatus of  claim 1 , wherein the heat exchanger comprises an evaporator that allows the zeotropic refrigerant mixture and air to exchange heat with each other. 
     
     
         5 . The refrigeration cycle apparatus of  claim 4 , wherein
 the first decrease temperature is temperature higher than 0 degrees, and   the second decrease temperature is temperature lower than a difference between refrigerant-inlet temperature that is temperature of refrigerant at an inlet and the refrigerant-outlet temperature at the heat exchanger to which the pressure loss is not applied.