Electric blower
US11466693B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2021 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | May 26, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/624
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high speed electric blower is provided. A rotor assembly of the blower has a bearing, a moving impeller and a magnetic ring. A housing of the blower has a bearing chamber. The diameter of the magnetic ring is smaller than the diameter of the bearing chamber. The magnetic ring can pass through the bearing chamber. The moving impeller and the magnetic ring are respectively located at either end of the bearing chamber. The single bearing is located between the moving impeller and the magnetic ring of the rotating shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.