CONDITIONING SYSTEM WITH ONE EXPANSION VALVE Russian patent published in 2014 - IPC B60H1/32 

FIELD: ventilation.

SUBSTANCE: air conditioning system comprises one expansion valve, which supplies coolant to two evaporators. The degree of dryness of the coolant has an initial value at the primary inlet of the primary evaporator and the final value at the primary outlet. In the primary evaporator there is an entrance for a bypass line located at the first point, where the degree of dryness of the coolant is less than 80% of the final value. In the secondary evaporator there is a secondary entrance, which is supplied with a bypass part of metered flow of the coolant shared at the second point of the path of the coolant between the first point and the expansion valve. The secondary outlet is connected to the inlet of the bypass line.

EFFECT: cooling of two different zones with use of only one expansion valve.

9 cl, 6 dwg