Patent · US Expired

Cylinder event based spark

US6978761B2 · kind B2 · utility

5Cited by
42References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 12, 2003
Grant dateDec 27, 2005
Priority date
Expiry dateDec 12, 2023

Classification

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

Abstract

A method to deliver spark during a start for an internal combustion engine is described. The method provides individual cylinder spark angle control based on the number of fueled cylinder events. The method offers improved engine emissions while maintaining engine speed run-up performance.

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