Title:
PIPELINE ASSEMBLY AND AIR CONDITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/237152
Kind Code:
A1
Abstract:
A pipeline assembly (100) and an air conditioning system. The pipeline assembly (100) comprises a first steel pipe (1), a second steel pipe (2), a first copper sleeve (3) and a second copper sleeve (4), wherein the first copper sleeve (3) is fixed at an end of the first steel pipe (1), and the first copper sleeve (3) comprises a first section (31) sleeved on the periphery of the first steel pipe (1) and a second section (32) extending beyond the end of the first steel pipe (1); the second copper sleeve (4) is fixed at an end of the second steel pipe (2), and the second copper sleeve (4) is sleeved on the peripheral side of the second steel pipe (2); and the second section (32) and at least part of the second copper sleeve (4) are sleeved with and welded to each other.
Inventors:
LONG DANFENG (CN)
WU YANDONG (CN)
ZHANG TIEGANG (CN)
ZHONG MIN (CN)
WU YANDONG (CN)
ZHANG TIEGANG (CN)
ZHONG MIN (CN)
Application Number:
PCT/CN2021/137189
Publication Date:
November 17, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
GD MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO LTD (CN)
International Classes:
F16L13/02; F16L21/00; F24F13/02
Foreign References:
| CN213809293U | 2021-07-27 | |||
| CN215410630U | 2022-01-04 | |||
| CN112178308A | 2021-01-05 | |||
| CN109570791A | 2019-04-05 | |||
| CN205781506U | 2016-12-07 | |||
| US20050005983A1 | 2005-01-13 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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