Patent ID: 8201620

Claim:
An evaporator unit comprising: an evaporator configured to evaporate a refrigerant; and a capillary tube configured to decompress the refrigerant, wherein the capillary tube has two ends in a longitudinal direction of the capillary tube, and a middle portion between the two ends in the longitudinal direction, the two ends of the capillary tube are bonded to the evaporator, at least one position of the middle portion of the capillary tube in the longitudinal direction is fixed to the evaporator by contacting the evaporator; the evaporator includes a plurality of heat exchange tubes in which the refrigerant flows, and a tank elongated in a tank longitudinal direction that is in parallel with an arrangement direction of the heat exchange tubes to distribute the refrigerant into the heat exchange tubes or to collect the refrigerant from the heat exchange tubes, the tank includes a tank header for defining a tank space, the middle portion of the capillary tube in the longitudinal direction contacts the tank header in the evaporator to be fixed to the tank header, the tank header has at least one protrusion portion protruding to a position of the middle portion of the capillary tube, the middle portion of the capillary tube contacts the protrusion portion of the tank header to be fixed to the tank header, and the protrusion portion is formed by a part of the tank header defining a fluid passage.