Refrigeration cycle apparatus
US11041667B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2019 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Sep 30, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/1933
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
To achieve higher efficiency at a low-load region and to enable power saving throughout a year. The refrigeration cycle apparatus 1 includes a compressor 4 that has a flow in/out port 4d through which a refrigerant is capable of flowing out and flowing in, in fluid communication with a compression room 4c; pipes 21, 22 disposed at a suction side of the compressor 4; a pipe 25 connected to the flow in/out port 4d of the compressor 4; a pipe 27 that has one end connected to the pipe 25 and an opposite end connected to the pipe 21; and a second solenoid valve 13 for opening and closing a fluid passage of the pipe 27.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.