Fan
US11892011B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2022 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Sep 28, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/4213
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan includes a housing, a rotation body, and an auxiliary inlet. The housing includes an accommodation chamber, an air inlet, and an air outlet. The rotation body is arranged in the accommodation chamber, forms a guide channel with an inner wall of the accommodation chamber, and is configured to drive air to enter from the air inlet and be guided out from the air outlet through the guide channel. The auxiliary inlet is arranged on the guide channel and configured to introduce the air into the guide channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.