The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2025
Filed:
Dec. 10, 2021
Gd Midea Heating & Ventilating Equipment Co., Ltd., Foshan, CN;
Hefei Midea Heating & Ventilating Equipment Co., Ltd., Hefei, CN;
GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., Foshan, CN;
HEFEI MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD., Hefei, CN;
Abstract
A pipeline assembly and an air conditioning system. The pipeline assembly includes a first steel pipe, a second steel pipe, a first copper sleeve and a second copper sleeve, wherein the first copper sleeve is fixed at an end of the first steel pipe, and the first copper sleeve includes a first section sleeved on the periphery of the first steel pipe and a second section extending beyond the end of the first steel pipe; the second copper sleeve is fixed at an end of the second steel pipe, and the second copper sleeve is sleeved on the peripheral side of the second steel pipe; and the second section and at least part of the second copper sleeve are sleeved with and welded to each other.