Keywords:Frigidaire, refrigerant, evaporator
This article is about the vapour compression machine or frigidaire.
It consists essentially of a condenser C, an evaporator or refrigerating chamber R, a mechanical pump or compressor P, operated by a motor to compress the refrigerant and an expansion and controlling valve V. It is schematically represented in the figure below. The refrigerant used is usually the easily liquefiable SO2.
Thermal physics —A.B. Gupta , H.P. Roy