Patent · US Active

Control and diagnostic approach for emission control device

US8099947B2 · kind B2 · utility

19Cited by
14References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 2007
Grant dateJan 24, 2012
Priority date
Expiry dateNov 23, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A system and method for engine control and diagnostics are described. In one example, a catalyst is modeled as a non-linear integrator. The method may improve engine air-fuel diagnostics.

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