Title:
PRESSURE-REDUCING VALVE, HEAT EXCHANGER, AIR CONDITIONING DEVICE, AND METHOD FOR MANUFACTURING HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/074327
Kind Code:
A1
Abstract:
A pressure-reducing valve (50) comprises a valve body (51), a joint pipe (52), one end of which is connected to the valve body (51), and a connection member (53) that is connected by means of welding to the other end of the joint pipe (52). The joint pipe (52) is composed of a metal other than aluminum. The connection member (53) is composed of aluminum or an aluminum alloy.
Inventors:
NAKANO HIROYUKI (JP)
Application Number:
PCT/JP2022/037685
Publication Date:
May 04, 2023
Filing Date:
October 07, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B41/40; B23K1/00; F16L13/02; F16L13/08; F25B39/00; F25B41/31; F25B41/42; F28F21/08
Domestic Patent References:
| WO2017169320A1 | 2017-10-05 |
Foreign References:
| JP2006349274A | 2006-12-28 | |||
| JP2018115774A | 2018-07-26 | |||
| JP2021121762A | 2021-08-26 | |||
| JPH08313112A | 1996-11-29 | |||
| JP2007255850A | 2007-10-04 | |||
| JP2008267689A | 2008-11-06 | |||
| US3205573A | 1965-09-14 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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