Tire pressure management system
US10647169B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2019 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Apr 19, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60C23/00363
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire pressure management system includes at least an axle, a hubcap supported by the axle and having an interior and an exterior, a rotary union mounted to the hubcap. The rotary union includes at least rotary union housing providing a central bore, a fluid conduit having upstream and downstream ends, a first bearing and a second bearing. Each of the bearings are in contact engagement with the fluid conduit via an inner race, and in sliding engagement with a bearing sleeve via an outer race. The bearing sleeve in pressing contact with the central bore; and a first and second seal, the first seal is disposed between the first bearing and the downstream end of the fluid conduit, the second seal adjacent the interior of the hubcap and disposed between the external surface of the fluid conduit and the internal surface of the central bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.