Title:
AIR CONDITIONER AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/111333
Kind Code:
A1
Abstract:
The present invention relates to an air conditioner and a manufacturing method therefor, wherein the air conditioner comprises: an outdoor heat exchanger and indoor heat exchanger including a plurality of refrigerant pipes and one or more connection pipes for connecting the refrigerant pipes to each other; welding holes formed through the plurality of connection pipes; and a welding ring installed on the welding hole, wherein a part of the refrigerant pipe is inserted into the connection pipe through the distal end of the connection pipe, the welding hole is disposed between the distal end of the refrigerant pipe and the distal end of the connection pipe, and the refrigerant pipe and the connection pipe are joined together through heating thereof.
Inventors:
KIM HONGSEONG (KR)
LEE SANGYEUL (KR)
KIM JUHYOK (KR)
YUN SUNGHO (KR)
LEE SANGYEUL (KR)
KIM JUHYOK (KR)
YUN SUNGHO (KR)
Application Number:
PCT/KR2016/013865
Publication Date:
June 29, 2017
Filing Date:
November 29, 2016
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
B23P15/26; B21D53/02; B21D53/06; B21D53/08; B23K31/00; F28F9/013; B23K101/14
Foreign References:
| JPS57159261A | 1982-10-01 | |||
| KR100483958B1 | 2005-04-19 | |||
| KR101265285B1 | 2013-05-16 | |||
| KR101422074B1 | 2014-07-23 | |||
| KR20090091529A | 2009-08-28 |
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
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