Refrigerating and freezing device
US11268747B2 · kind B2 · utility
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10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2017 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Jan 5, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2317/061
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a refrigerating and freezing device comprising a storage space, a compressor chamber, an air-regulating membrane component, and a suction pump disposed in the compressor chamber. The provided refrigerating and freezing device has a favorable freshness preservation effect, fully utilizing the space in the compressor chamber without using the storage space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.