Electrical fan having various supplies of electricity
US12203477B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jun 29, 2023 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Aug 23, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K7/1427
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electrical fan having various supplies of electricity includes: a housing; a motor securely fixed in an interior of the housing to generate rotating power; an impeller located in the interior of the housing and connected to the motor to be driven by the motor to rotate; a circuit board arranged in the interior of the housing and electrically connected with the motor and including a boost circuit; an electricity supply hole arranged on the housing and electrically connected with the circuit board to provide a USB-C power supply that is provided from outside; a dry battery box arranged in the housing and electrically connected with the circuit board to accommodate therein a plurality of dry batteries that provide a 9V dry-battery power supply; and a control switch arranged on the housing to serve as a user control interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.