Opening and closing device, air duct assembly and air conditioner
US11635227B2 · kind B2 · utility
0Cited by
4References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Sep 4, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2011/0002
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An opening and closing device includes a door cover including a vent and an opening and closing member configured to be inserted into the door cover through an opening of the vent along an extension direction of the vent. The opening and closing member includes an air door and is movable between an open position at which the air door does not close the vent and a closed position at which the air door closes the vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.