Patent ID: 9528778
Filing Date: 2016-12-27
CPC Classification: F25B,F28D,F28F

Claim Text:
1. A refrigerant guiding pipe for a heat exchanger, the refrigerant guiding pipe comprising: a pipe wall in which an inner chamber is formed; a recess in the pipe wall that is depressed inwardly, the recess having first and second inclined wall portions as portions of the pipe wall, the first inclined wall portion being inclined in a first direction with respect to an axial direction of the refrigerant guiding pipe and the second inclined wall portion being inclined in a second direction different from the first direction with respect to the axial direction of the refrigerant guiding pipe; and a channel in the pipe wall of the recess, wherein the first and second inclined wall portions are opposite each other across the recess and the channel is in the first inclined wall portion.