Resin-coated aluminum pipe connector for air conditioner outdoor unit
US11054155B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Apr 11, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L33/24
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Provided herein is a resin-coated aluminum pipe connector for the outdoor unit of an air conditioner. The resin-coated aluminum pipe connector includes: a resin-coated refrigerant pipe made of aluminum, and configured such that an expanded portion is formed at one end thereof; a service valve including a connection port in which a first inclined surface is formed at an end of the connection port and a first screw portion is formed on the outer circumference of the connection port; a first compression ring configured such that an inclined surface is formed at one end of the inner circumference thereof and a first stop protrusion is formed at the other end of the inner circumference thereof; a second compression ring configured such that a second-first inclined surface is formed on the inside thereof and a receiving side wall extends upward from the second-first inclined surface; a sealing material; and a fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.