Shaft grounding device and electric drive unit comprising such a device
US12088157B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 22, 2021 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Sep 10, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/1732
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A shaft grounding device (X) for the electrical grounding of a shaft (1) with respect to a housing (2) includes an electrically conductive rectangular ring (4) arranged in a rectangular groove (3) formed in the shaft (1). The rectangular ring (4) is in electrically conductive contact with the housing (2) via a metallic sleeve (5). A preloading device presses the rectangular ring (4) axially against the rectangular ring groove (3) and radially outward against the sleeve (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.