Variable louver control for fans
US11359835B1 · kind B1 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2021 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jan 13, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2013/146
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Systems for controlling louver positions are described herein. Such systems may include: a louver frame; a louver coupled to the louver frame via a rotation member and adapted to rotate at a louver side around an axis of rotation at the rotation member. In one embodiment, the louver includes a spring member engagement feature. The system also includes a spring member coupled to the louver frame and adapted to engage with the spring member engagement feature of the louver and apply a force to the louver when a forward airflow is applied to the louver in a forward airflow direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.