Patent ID: 7707850

Claim:
A liquid collection and drainage system to remove liquid refrigerant from refrigerant vapor in an evaporator, the liquid collection and drainage system comprising: a baffle having an inside surface to be disposed adjacent a suction inlet of the evaporator and an outside surface to be disposed adjacent a refrigerant pool of the evaporator, the baffle having a first edge and a second edge and a single curved profile extending from the first edge to the second edge, the single curved profile being concaved upward; a mesh pad, the mesh pad being disposed on the inside surface of the baffle and configured to trap liquid refrigerant; a drainage pipe having a drain hole at one end and being configured to extend along the baffle to permit liquid refrigerant to flow to the drain hole; and wherein liquid refrigerant is trapped by the mesh pad and collected in the drainage pipe to flow to the drain hole for return to the refrigerant pool.