US 12,215,939 B2
Heat exchanger
Shohei Nakata, Kanagawa (JP); Yoshinari Maema, Kanagawa (JP); and Kotaro Oka, Kanagawa (JP)
Assigned to FUJITSU GENERAL LIMITED, Kanagawa (JP)
Appl. No. 17/909,641
Filed by FUJITSU GENERAL LIMITED, Kanagawa (JP)
PCT Filed Mar. 4, 2021, PCT No. PCT/JP2021/008549
§ 371(c)(1), (2) Date Sep. 6, 2022,
PCT Pub. No. WO2021/192902, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 2020-051123 (JP), filed on Mar. 23, 2020.
Prior Publication US 2023/0108901 A1, Apr. 6, 2023
Int. Cl. F28F 9/02 (2006.01); F28D 7/16 (2006.01); F28F 1/04 (2006.01)
CPC F28F 9/0204 (2013.01) [F28D 7/1653 (2013.01); F28F 1/04 (2013.01); F28F 9/02 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A heat exchanger comprising:
a plurality of flat heat transfer tubes that are arranged in a region in which air flows; and
a header that is bonded to end portions of the plurality of flat heat transfer tubes, wherein
each of the plurality of flat heat transfer tubes internally includes
a plurality of windward channels; and
a plurality of leeward channels that are arranged on a leeward side of the air relative to the plurality of windward channels,
the header includes
a main body unit having an internal space;
a first partition member that separates the internal space into: a refrigerant inflow space to which a refrigerant flows from a pipe; and an upper space that is arranged at an upper side of the refrigerant inflow space, and connected to the plurality of windward channels and the plurality of leeward channels; and
a second partition member that separates a windward side space at a side closer to end portions of the plurality of windward channels in the upper space and a leeward side space at a side closer to end portions of the plurality of leeward channels in the upper space,
the first partition member is provided with a leeward side inflow port that allows communication between the refrigerant inflow space and the leeward side space to cause the refrigerant to gush out towards an upper portion of the leeward side space, and
an upper side communication path that allows communication between the leeward side space and the windward side space is formed in an upper portion of the second partition member.