Title:
HEAT EXCHANGER AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/155826
Kind Code:
A1
Abstract:
An outdoor heat exchanger (1) is provided with multiple fins (1a) formed from aluminum or an aluminum alloy, multiple heat conducting pipes (1b) and headers (2, 3). Further, the outdoor heat exchanger (1) is provided with at least one copper coolant pipe (22) formed from copper or a copper alloy, and an AC joint (20) which connects the header (3) and the copper (22) such that the header (3) is above the copper coolant pipe (22), and a sprayed layer (30) which covers at least the periphery of the AC joint (20). Further, the sprayed layer (30) is either configured by spraying, in an atmospheric environment, a metal not nobler than aluminum such that L/D, the ratio of the thickness L of said sprayed layer (30) and the outer diameter D of the AC joint (20) is greater than 0.005, or, is configured by forming by spraying a ceramic.
Inventors:
OKAZAWA HIROKI (JP)
Application Number:
PCT/JP2014/060130
Publication Date:
October 15, 2015
Filing Date:
April 07, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B41/00; F16L13/08; F16L58/14; F24F1/30; F28F21/04; F28F21/08
Domestic Patent References:
| WO2013094386A1 | 2013-06-27 | |||
| WO2013084433A1 | 2013-06-13 |
Foreign References:
| JP2005090761A | 2005-04-07 | |||
| JP2000210713A | 2000-08-02 | |||
| EP2594869A1 | 2013-05-22 | |||
| JPS5284146A | 1977-07-13 | |||
| JPS58179563A | 1983-10-20 | |||
| JPH03223455A | 1991-10-02 | |||
| JPH08267228A | 1996-10-15 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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