Portable blowing device
US11873825B2 · kind B2 · utility
3Cited by
12References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2023 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Feb 15, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/4226
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A portable blowing device configured for being worn around a neck of a human body, includes two arms each defining an airflow channel therein; and fans received in the arms respectively. The arm includes an inner side wall close to the neck and an outer side wall connected to the inner side wall. The arm includes an air inlet and an air outlet in communication with the airflow channel respectively. The air inlet is arranged at the inner side wall and/or the outer side wall. The fan is configured to generate an airflow passing through the air inlet, the airflow channel and the air outlet in sequence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.