Refrigerator with refrigerant recovery control
US12222145B2 · kind B2 · utility
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20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2021 |
| Grant date | Feb 11, 2025 |
| Priority date | — |
| Expiry date | Sep 15, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2700/2106
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method controls a refrigerator. The refrigerator includes a compressor that includes a piston and uses refrigerant as lubricant for the piston, and the method includes determining an end time point of a refrigerant recovery operation based on a driving input value of the compressor to thereby reducer abrasion of the piston and power consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.