Recessed compressor wheel for turbocharger oil leakage mitigation
US11808177B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2022 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Jul 26, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbocharger including a compressor section having a compressor housing with an air inlet and a compressor air discharge and a compressor wheel in the compressor housing. A turbine section having a turbine housing with an exhaust gas inlet and a turbine exhaust gas outlet and a turbine wheel in the turbine housing, the turbine wheel being drivingly connected to the compressor wheel, the exhaust gas inlet being configured to be connected to an engine exhaust passage and the turbine exhaust gas outlet being configured to be connected to an exhaust system. The compressor housing includes a diffuser with a recess that receives the compressor wheel wherein the recess has a sidewall with an upper edge and the compressor wheel has a base plate with an upper surface that is below the upper edge of the sidewall of the recess in the diffuser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.