Patent · US Expired

Fuel injection control system for an internal combustion engine

US5222481A · kind A · utility

61Cited by
3References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 19, 1992
Grant dateJun 29, 1993
Priority date
Expiry dateJun 19, 2012

Classification

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

Abstract

A system for controlling fuel injection for an internal combustion engine has a fuel injector provided for injecting fuel directly in a cylinder, a cylinder pressure detector for detecting pressure in the cylinder at fuel injection, a calculator for producing a correcting coefficient in accordance with a difference between the cylinder pressure and fuel pressure, and a correcting means by multiplying the correcting coefficient to a fuel injection time, thereby changing a fuel injection duration in accordance with a change of the fuel injection timing.

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