Title:
REFRIGERANT FLOW PATH UNIT AND FREEZER
Document Type and Number:
WIPO Patent Application WO/2022/210879
Kind Code:
A1
Abstract:
A refrigerant flow path unit (10) is provided with: a unit body (11) having a plurality of plates (21, 22, 23) stacked on each other, and a refrigerant flow path (15) formed on the inside; refrigerant tubes (12, 13, 103); and, a first brazing material (B3, B4) for joining the unit body (11) and the refrigerant tubes (12, 13, 103). The unit body (11) has a first plate (21) formed with a first opening (21a), and a second plate (22) stacked on the first plate (21) and formed with a second opening (22a) that communicates with the first opening (21a). The refrigerant tubes (12, 13, 103) are inserted into the first opening (21a) and the second opening (22a). The first brazing material (B3, B4) joins the inner peripheral surfaces of the first opening (21a) and the second opening (22a) and the outer peripheral surfaces of the refrigerant tubes (12, 13, 103).
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Inventors:
HAMADATE JUNICHI (JP)
KOIKE FUMIAKI (JP)
ONO ASAHI (JP)
KUBO AYUMI (JP)
OKUNO MASATO (JP)
YAKURA NARITAKA (JP)
KOIKE FUMIAKI (JP)
ONO ASAHI (JP)
KUBO AYUMI (JP)
OKUNO MASATO (JP)
YAKURA NARITAKA (JP)
Application Number:
PCT/JP2022/016001
Publication Date:
October 06, 2022
Filing Date:
March 30, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F1/26; F25B41/40
Domestic Patent References:
| WO2015004719A1 | 2015-01-15 | |||
| WO2017103965A1 | 2017-06-22 |
Foreign References:
| JP2016044896A | 2016-04-04 | |||
| JPH0979616A | 1997-03-28 | |||
| JPH07198229A | 1995-08-01 | |||
| JPS49130548A | 1974-12-13 | |||
| JPH0979616A | 1997-03-28 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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