Patent · US Active

Internal and external LP EGR for boosted engines

US7934486B1 · kind B1 · utility

16Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 2010
Grant dateMay 3, 2011
Priority date
Expiry dateApr 2, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A method for controlling combustion in a combustion chamber of a turbocharged engine is described. The method includes admitting to the combustion chamber prior to ignition a first amount of exhaust from an intake manifold of the engine, the first amount changing at a first rate in response to a changing engine load. The method also includes retaining in the combustion chamber prior to the ignition a second amount of exhaust from the combustion chamber, the second amount changing at a second rate, greater than the first rate, in response to the changing engine load.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.