Method for defrost control of a refrigerator and refrigerator which uses this method
US8511102B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2009 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2700/12
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for defrost control of a refrigerator having a refrigeration and defrost system that includes a compressor, an evaporator, an evaporator fan and a heater. The refrigerator also has a control system to control the operation of the refrigerator. The method includes stopping the compressor operation; starting a defrost process; starting the heater; maintaining a start state over a preset period of time; closing off the heater; and starting the compressor. After starting the compressor and before the evaporator fan is started to perform the refrigeration operation, the evaporator fan is operated at least once briefly and intermittently.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.