Patent · US Expired

Internal combustion engine start-up operating mode and engine using same

US7201127B2 · kind B2 · utility

25Cited by
17References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 14, 2005
Grant dateApr 10, 2007
Priority date
Expiry dateJul 14, 2025

Classification

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

Abstract

A method of initially operating an internal combustion engine including operating the engine in a start-up mode is provided. The start-up mode includes injecting at least two fuel pre-shots wherein a first of the fuel pre-shots is smaller in quantity than a last of the fuel pre-shots. An engine is provided including an electronic controller with a computer readable medium having a control algorithm recorded thereon, the control algorithm including means for commanding injection of a main fuel shot and at least two fuel pre-shots wherein a first of the fuel pre-shots is smaller in quantity than a last of the fuel pre-shots.

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