Pipeline assembly and air conditioning system
US12253191B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 10, 2021 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Dec 10, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B41/40
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.