Portable blowing device
US12152595B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2023 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Feb 20, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/644
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A portable blowing device configured for being worn around a neck of a human body is disclosed. The portable blowing device includes two parts and two first fans. Each part defines an airflow channel and includes an inner side wall, an outer side wall, and a top side wall. Each fan is received in one corresponding part and configured for generating an airflow to flow through the airflow channel defined therein. At least a portion of each of the two top side walls includes an inclined surface. Each part defines at least one first air inlet and at least one first air outlet communicated with the at least one first air inlet and the airflow channel, and each of the first air outlets is defined in one corresponding inclined surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.