System and method to control an electronically-controlled turbocharger
US8958971B2 · kind B2 · utility
3Cited by
39References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2012 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
By providing an electrically-controlled turbocharger (ECT) on a compression-ignition (CI) engine, the engine can be provided a desired lambda and a desired EGR fraction over the range of operating conditions. When lambda in the exhaust is leaner than the desired lambda, electrical energy to the electric motor of the ECT is reduced to bring actual lambda to desired lambda. Analogously, when lambda in the exhaust is richer than the desired lambda, electrical energy to the ECT is increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.