Patent ID: 7975500

Claim:
A refrigerant accumulation and oil recovery device for recovery/regeneration/recharging units for a refrigerant fluid withdrawn from refrigeration or air conditioning plants or heat pumps, comprising a refrigerant fluid accumulation/evaporation vessel and an oil recovery vessel, said vessels being closed at their top by at least one plate which supports them both, the plate presenting a plurality of passages defining, with said vessels, a part of the charging/recycling circuit of said recovery/regeneration unit wherein the accumulation/evaporation vessel and the oil recovery vessel present at least one wall in common, such that any refrigerant fluid leakage from one of said vessels at the connection interface between said common wall and said plate is recovered into the other, an outer vessel between said accumulation/evaporation vessel and said oil recovery vessel completely surrounds the inner vessel, at least at said common wall, wherein the vessels are of cylindrical shape, the outer vessel having a lesser height than the inner vessel.