Refrigerator
US12253294B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 31, 2021 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2700/121
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A refrigerator, comprising a refrigerator body and a door body. The front side of the refrigerator body is open to define a first chamber. The door body comprises a main door and a secondary door, wherein the main door is used for opening or closing the first chamber and defining a second chamber; and the secondary door is used for opening or closing the second chamber. A rear wall of the main door is of a hollow structure to define an air duct, and a plurality of air diffusion micro-holes in communication with the second chamber and the air duct are backwards formed in a front surface of the rear wall. In addition, the refrigerator is configured such that cold air created by the refrigerator is introduced through the air duct, and the cold air enters the second chamber through the plurality of air diffusion micro-holes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.