Air purifier and controlling method thereof
US12331957B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2022 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Nov 7, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2130/20
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air purifier may include a main body including an inlet and an outlet; a fan arranged in the main body; a solar cell arranged on a first side of the main body; a first light sensor arranged on a second side, which is different from the first side; a second light sensor arranged on a third side, which is different from the first and second sides; a driver arranged to rotate the main body; and a controller configured to control the fan to suck air into the main body through the inlet and discharge the air out of the main body through the outlet, and control the driver to rotate the main body based on an output signal from the first light sensor and an output signal from the second light sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.