Turbocharger, notably for a combustion engine
US10697322B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | May 18, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2360/24
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A turbocharger having a rotatable shaft, a stationary housing, a turbine wheel mounted on one end of shaft, a compressor wheel mounted onto an opposite end of shaft, and at least one rolling bearing disposed between the shaft and the housing. The rolling bearing includes a stationary outer ring fixed to the housing, a rotatable inner ring fixed to the shaft, at least one row of balls disposed in a rolling chamber defined between the outer ring and inner ring, and an annular non-deformable cage providing circumferentially a plurality of through holes forming pockets where the balls are housed. The pockets being axially delimited between annular cage heels. Each pocket of cage is extended by a slot through one of cage heels, the cage heel provided with the slots being axially oriented towards the interior side of turbocharger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.