Patent ID: 9625219
Date: 2017-04-18
CPC Classifications: F28D,F28F

Claim:
1. An evaporator comprising: a first upper header section; a first lower header section provided substantially parallel to the first upper header section; first heat exchange tubes provided between the first upper header section and the first lower header section to connect the first upper header section and the first lower header section, the first heat exchange tubes comprising: a first split flow control section including at least one first hole and provided in the first lower header section to divide an inside of the first lower header section into a first space and a second space which communicates with the first space via the at least one first hole, the second space communicating with the first tube row via the first space which communicates with the first tube row; a second upper header section provided substantially parallel to the first upper header section; a second lower header section provided substantially parallel to the first lower header section; second heat exchange tubes provided between the second upper header section and the second lower header section to connect the second upper header section and the second lower header section, the second heat exchange tubes comprising: a second split flow control section including at least one second hole and provided in the second lower header section to divide an inside of the second lower header section into a third space and a fourth space which communicates with the third space via the at least one second hole, the fourth space communicating with the second tube row via the third space which communicates with the second tube row, the first cross-sectional area of the at least one first hole being smaller than the second cross-sectional area of the at least one second hole; and the evaporator to be placed in an inclined state so that the first lower header section is provided below the second lower header section in a vertical direction.