Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/219750
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide a refrigeration cycle device that has the advantageous feature of improving durability in an environment in which sulfidizing gas is present. This refrigeration cycle device comprises: a first refrigerant piping; a second refrigerant piping; a filler material for connecting an end portion of the first refrigerant piping to an end portion of the second refrigerant piping; a first covering film for covering an exposed portion of the filler material, the first covering film being made of a corrosion suppressing agent; and a first coating layer that covers the outer surface of the first covering film. The first coating layer may be made of a coating material with a corrosion-suppressing agent added thereto. The corrosion-suppressing agent for the first coating layer may be the same substance as the corrosion-suppressing agent for the first covering film.
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Inventors:
MIZUNO KOTA (JP)
YOSHIDA AOI (JP)
SUGAWARA SOTARO (JP)
YOSHIDA AOI (JP)
SUGAWARA SOTARO (JP)
Application Number:
PCT/JP2021/015485
Publication Date:
October 20, 2022
Filing Date:
April 14, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B23K1/00; F16L58/04; F25B41/40; F28F19/02
Foreign References:
| JP2011202723A | 2011-10-13 | |||
| JP2007161893A | 2007-06-28 | |||
| JP2004360069A | 2004-12-24 |
Attorney, Agent or Firm:
TAKADA, TAKAHASHI & PARTNERS (JP)
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