Method and system for reducing turbocharger noise during cold start
US8978378B2 · kind B2 · utility
2Cited by
24References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2011 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Aug 22, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An approach for controlling a turbocharger bypass valve is disclosed. In one example, the turbocharger bypass valve is opened during engine cold start conditions to reduce turbocharger speed. The approach may reduce noise produced by the turbocharger during engine start and warm-up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.