Title:
CONNECTION PIPE FOR INDOOR UNIT AND OUTDOOR UNIT REFRIGERANT CONNECTION PIPELINE OF AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2016/065653
Kind Code:
A1
Abstract:
Disclosed is a connection pipe for an indoor unit and outdoor unit refrigerant connection pipeline of an air conditioner, comprising a joint (1) on an indoor and outdoor connection pipe, and a refrigerant pipe (7), wherein the refrigerant pipe is an aluminium pipe, two ends of the aluminium pipe are provided with an external thread, the external thread at an end of the pipe is sheathed with a connection pipe end casing pipe (6) with an internal thread, and the connection pipe end casing pipe (6) and the joint (1) are in communication via a stainless steel casing pipe (2) which has an internal thread therein. The connection of the connection pipe is fast and reliable, greatly reducing the production cost.
Inventors:
SUN HAICHAO (CN)
Application Number:
PCT/CN2014/090140
Publication Date:
May 06, 2016
Filing Date:
November 02, 2014
Export Citation:
Assignee:
SUN HAICHAO (CN)
International Classes:
F24F1/32; F16L19/02
Foreign References:
| CN102840630A | 2012-12-26 | |||
| CN101328998A | 2008-12-24 | |||
| CN200972021Y | 2007-11-07 | |||
| CN101008512A | 2007-08-01 | |||
| CN102913695A | 2013-02-06 | |||
| US1920512A | 1933-08-01 | |||
| US6435570B1 | 2002-08-20 |
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