Turbo-charger bearing
US10190634B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2017 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Jul 11, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/24
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A turbocharger including a housing and a rotary assembly disposed within the housing and including a turbine wheel and a compressor wheel attached to one another by a shaft. The rotary assembly being subject to aero-load in a lateral direction. A bearing is disposed in the housing and rotatably supports the shaft, the bearing including an inner bearing surface that engages the shaft and an outer bearing surface that engages the housing, the outer bearing surface having a pair of axially extending recessed grooves extending at least partially along the bearing. The pair of axially extending grooves being located perpendicular to the aero-load direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.