Pneumatic system for inflating a wheel, integrated to a driven axle
US10675923B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2016 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Jul 4, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a system for pneumatically powering a wheel comprising a bearing support (10), a shaft (20) comprising a hub-forming end (21) which extends radially (Y), at least one set of rolling bearings (30), wherein the system further comprises a chamber (C) formed by the hub-forming end (21), the bearing support (10), a rolling bearing seal (40) and a chamber seal (50), a primary channel (60) crossing the bearing support (10) and opening into the chamber (C), a secondary channel (70) crossing the hub-forming end (21) and opening into the chamber (C), wherein seals seal the cavity (C) in order to let air pass from the primary channel to the secondary channel via the cavity (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.