Patent ID: 9562727
Date: 2017-02-07
CPC Classifications: F25B,F28D,F28F

Claim:
1. A heat exchanger comprising: first heat exchange tubes having a first length in a longitudinal direction extending between header tanks of the heat exchanger and provided to have first spaces among the first heat exchange tubes; second heat exchange tubes having a second length in the longitudinal direction and provided to have second spaces among the second heat exchange tubes, the second length being longer than the first length; first corrugated fins each provided in each of the first spaces to have a first fin length in the longitudinal direction, each of the first corrugated fins including a first total number of first waves formed of a sequential repetition of crest portions and trough portions aligned in the longitudinal direction; and second corrugated fins each provided in each of the second spaces to have a second fin length in the longitudinal direction, each of the second corrugated fins including a second total number of waves formed of a sequential repetition of crest portions and trough portions aligned in the longitudinal direction, the second fin length being longer than the first fin length, a difference between the first total number of waves and the second total number of waves being at most 2.