Patent · US Active

Coordinated control of engine and after treatment systems

US9605613B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2014
Grant dateMar 28, 2017
Priority date
Expiry dateOct 6, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present disclosure relates to a method and apparatus to reduce fuel consumption while remaining in NOx compliance by simultaneous and coordinated control of the engine and the selective catalytic reduction (SCR) system. More particularly, the present disclosure identifies methods and apparatus to increase NOx output within a diesel engine to optimize the performance of a given SCR system while simultaneously reducing fuel consumption at a selected and targeted intake oxygen concentration.

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