Heavy duty wheel seal with dry running resistance
US10907689B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 21, 2018 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3232
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing arrangement includes a stationary spindle and a wheel hub rotatably mounted to the spindle. A seal assembly is disposed between the spindle and the wheel hub and includes an outer carrier case having a first cylindrical portion disposed in the inner bore of the wheel hub and a first radial portion extending radially inward from an end of the first cylindrical portion. An inner seal element has an inner metal case having cylindrical portion received on an outer surface of the stationary spindle and includes an annular portion extending radially outwardly from an end of the cylindrical portion and axially spaced from the first radial portion of the outer carrier case. An oil seal lip extends radially outwardly and axially from the annular portion of the inner metal case and engages the first radial portion of the outer carrier case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.