Refrigerating and freezing device
US12111092B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 20, 2020 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Feb 25, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2317/067
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Provided is a refrigerating and freezing device, including: a storage compartment partitioned into a plurality of first spaces; an air channel system having a plurality of first air supply outlets, a main return air outlet and an on-off control device; and a plurality of drawers, wherein each drawer is mounted in one of the first spaces, each drawer has an air inlet and a return air outlet, each air inlet is communicated with one of the first air supply outlets, and each return air outlet is communicated with the main return air outlet; and the on-off control device is configured to control air flow to one or more of the plurality of first air supply outlets, and then control all or part of the air flow to flow to the corresponding drawers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.