RELAXATION DEVICE COMPRISING A MEANS OF RELAXATION AND A MEANS OF BYPASSING THE RELAXATION MEDIUM

摘要

The invention relates to an expansion device 1 for a refrigerant circuit 15 installed on a vehicle, comprising a body 2 adapted to be traversed by a refrigerant fluid 14, said body 2 housing a detent means 3 capable of lowering the fluid pressure. refrigerant and bypass means 5 of the expansion means 3 adapted to open when a pressure of the refrigerant fluid upstream of the bypass means 5 is below a determined threshold. The invention also relates to the circuit incorporating the expansion device 1, as well as the operating modes of this circuit. Application to motor vehicles.