Sealing unit for wheel hub groups
US11578802B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 5, 2020 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Nov 25, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Sealing unit for a wheel hub group for vehicles that is provided with a roller bearing interposed between a rotary hub for a wheel of the vehicle, and a stationary pin of an upright of said vehicle, the sealing unit in turn comprising an annular pre-cavity arranged in an axially frontal position of the roller bearing, a dynamic portion in rotation about an axis when in use, and a static portion cooperating with the dynamic portion to protect the roller bearing from external contaminants, the dynamic portion having a centrifuging surface formed on a free end of the hub and the static portion in turn having a stationary screen that is fitted onto the support pin inside the pre-cavity and that has a centrifuging section facing the centrifuging surface to facilitate expulsion and drainage of contaminants out of the annular pre-cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.