Waterless keep-alive apparatus and refrigeration appliance provided with the waterless keep-alive apparatus
US10653122B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2015 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Nov 5, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2331/804
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention provides a waterless keep-alive apparatus and a refrigeration appliance having the same. The waterless keep-alive apparatus is provided in an inner tank of a refrigeration appliance, and comprises: a keep-alive box allowing pulling inward and outward; a temperature controlling module and a humidity controlling module which are connected with the keep-alive box; and an air controlling module having an air hole provided on a side wall of the keep-alive box and an air duct fixed on the inner tank of the refrigeration appliance. The air duct is hermetically connected with the air hole when the keep-alive box is pushed into the inner tank of the refrigeration appliance. The air duct is disconnected from the air hole when the keep-alive box is pulled out. The waterless keep-alive apparatus realizes convenient article fetching while the oxygen concentration in the keep-alive box can meet the survival needs of aquatic products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.