Patent ID: 11913729
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B  H | IPC B  F

Claim 9:
10. The heat exchanger according to claim 4, further comprising:
a gas header to which the heat transfer tubes are coupled; and
a liquid header to which the heat transfer tubes are coupled, wherein
the size of the outer edge of the heat transfer tubes in the first portion is larger than the size of the outer edge of the heat transfer tubes in a liquid header coupling portion coupled to the liquid header in the heat transfer tubes, and
the size of the outer edge of the heat transfer tubes in the second portion is equal to or smaller than the size of the outer edge of the heat transfer tubes in a gas header coupling portion coupled to the gas header in the heat transfer tubes.