Patent ID: 8365552

Claim:
An evaporator unit comprising: an ejector that has a nozzle portion configured to decompress refrigerant, and a refrigerant suction port from which refrigerant is drawn by a high-speed refrigerant flow jetted from the nozzle portion, wherein the refrigerant jetted from the nozzle portion and the refrigerant drawn from the refrigerant suction port are mixed and discharged from an outlet of the ejector; and an evaporator connected to the ejector to evaporate the refrigerant to be drawn into the refrigerant suction port or the refrigerant flowing out of the outlet of the ejector, wherein the evaporator includes a plurality of tubes in which the refrigerant flows, and a tank configured to distribute the refrigerant into the tubes or to collect the refrigerant from the tubes, the ejector is located in the tank, the nozzle portion is brazed to the tank to be fixed into the tank, and a nozzle support portion located in the tank, and protruding from an inner wall surface of the tank to an outer peripheral surface of the nozzle portion to support the nozzle portion, wherein the nozzle portion and the nozzle support portion are brazed to be fixed to each other at a brazing portion between the nozzle portion and the nozzle support portion.