Insulated bearing
US12378999B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2022 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | May 22, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2226/60
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An insulated bearing includes an outer ring, a plurality of rolling elements, a first aluminum insulating cap, and a second aluminum insulating cap. The outer ring has an inner rolling surface and an outer spiral groove, and the plurality of rolling elements are in rolling contact with the inner rolling surface. The first aluminum insulating cap screwed onto the outer ring from a first axial end. The first aluminum insulating cap has a first inner spiral, complementary to the outer spiral groove. The second aluminum insulating cap is screwed onto the outer ring from a second axial end, opposite the first axial end. The second aluminum insulating cap has a second inner spiral, complementary to the outer spiral groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.