Vacuum cleaner motor assemblies and methods of operating same
US11672390B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 2020 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Aug 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/39558
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a housing, a debris chamber defined within the housing, and a motor assembly connected to the housing and operable to generate airflow through the debris chamber. The motor assembly includes a motor, an impeller, an impeller housing, and a controller. The impeller is connected to the motor and operable to generate airflow upon operation of the motor. The impeller housing is constructed of an electrically-conductive material. The impeller is positioned within the impeller housing. The controller includes a circuit board assembly. The circuit board assembly including a common circuit, and the impeller housing is electrically connected to the common circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.