US 12,359,853 B2
Heat exchanger
Ken Satou, Osaka (JP); Tomohiko Sakamaki, Osaka (JP); Kengo Uchida, Osaka (JP); and Yoshio Oritani, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on May 13, 2022, as Appl. No. 17/744,022.
Application 17/744,022 is a continuation of application No. PCT/JP2020/039090, filed on Oct. 16, 2020.
Claims priority of application No. 2019-205871 (JP), filed on Nov. 14, 2019.
Prior Publication US 2022/0268497 A1, Aug. 25, 2022
Int. Cl. F25B 39/00 (2006.01); F25B 31/00 (2006.01); F25B 41/42 (2021.01); F28D 1/053 (2006.01); F28F 9/02 (2006.01); F28F 9/22 (2006.01)
CPC F25B 39/00 (2013.01) [F25B 41/42 (2021.01); F28D 1/0535 (2013.01); F28F 9/0202 (2013.01); F28F 9/22 (2013.01); F25B 31/004 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A heat exchanger comprising:
heat transfer tubes aligned in an up-down direction;
a liquid header connected to first ends in a length direction of the heat transfer tubes; and
connection tubes aligned in the up-down direction and connected to the liquid header, wherein the heat transfer tubes include:
a first heat transfer tube disposed at a lowermost position in the up-down direction; and
a second heat transfer tube disposed directly above the first heat transfer tube in the up-down direction,
the connection tubes include:
a first connection tube disposed at a lowermost position in the up-down direction; and
a second connection tube disposed above the first connection tube in the up-down direction, and
the liquid header includes:
a first flow path connected to the first connection tube and the first heat transfer tube; and
a second flow path connected to the second connection tube and the second heat transfer tube.