Low friction sealing device and associated rolling bearing
US12247623B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2023 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | Oct 15, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements housed between the inner ring and the outer ring, and a sealing device. The sealing device includes a first shield connected to the inner ring, a second shield connected to the outer ring to rotate therewith, a first sealing element connected to the second shield and provided with a sealing lip contacting the first shield, and a second sealing element connected to the first shield and facing a radially outer section of the first sealing element, defining a channel therebetween inclined at an acute angle to a common axis of symmetry of the shields and delimited between a conical smooth lateral surface of the first sealing element and a lateral surface of the second sealing element arranged opposite and parallel to the first lateral surface and provided with a plurality of steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.