Variable refrigerant volume system and control method thereof
US10317118B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2014 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Jan 27, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/24
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A variable refrigerant volume system includes: a compressor; a four-way valve; an indoor unit; a liquid tube, the first end thereof being connected to the indoor unit, the second end thereof being connected to the third valve port of the four-way valve, and a condenser being provided on the liquid tube; a low pressure air pipe, the first end thereof being connected to the indoor unit, and the second end thereof being connected to the fourth valve port of the four-way valve; a refrigerant adjustment tank, the first port thereof being connected to the liquid tube, the second port thereof being connected to the low pressure air pipe, and the third port thereof optionally communicating with the liquid tube or the low pressure air pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.