Title:
COPPER PIPE AND MANUFACTURING METHOD THEREFOR, HEAT EXCHANGER, AIR CONDITIONER AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/218737
Kind Code:
A1
Abstract:
The present application provides a copper pipe and a manufacturing method therefor, a heat exchanger, an air conditioner and a refrigeration device. The copper pipe comprises: 99.8-99.999 parts of copper by weight and 0.001-0.1 part of rare earth metal by weight, wherein the total parts of the copper and the rare earth metal by weight are less than or equal to 100 parts by weight.
Inventors:
SHANG XIULING (CN)
LI HAIHUA (CN)
LIN YONGQIANG (CN)
LI HAIHUA (CN)
LIN YONGQIANG (CN)
Application Number:
PCT/CN2021/088673
Publication Date:
November 04, 2021
Filing Date:
April 21, 2021
Export Citation:
Assignee:
MIDEA GROUP CO LTD (CN)
GD MIDEA AIR CONDITIONING EQUIPMENT CO LTD (CN)
GD MIDEA AIR CONDITIONING EQUIPMENT CO LTD (CN)
International Classes:
C22C9/00; C22C1/02; F25B13/00; F25B39/00
Foreign References:
| CN111500890A | 2020-08-07 | |||
| CN207146985U | 2018-03-27 | |||
| EP1660690A1 | 2006-05-31 | |||
| CN109402447A | 2019-03-01 |
Other References:
ZHANG, SHIHONG ET AL.: "2.3.3 Rare Earth Microalloying of Copper Tube Billets", CAST AND ROLL TECHNOLOGY OF PRECISION COPPER TUBES, 29 February 2016 (2016-02-29), pages 26 - 31, XP009531724, ISBN: 978-7-118-10229-1
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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