Patent · US Expired

Fuel injection system for internal combustion engine

US4628886A · kind A · utility

4Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 30, 1985
Grant dateDec 16, 1986
Priority date
Expiry dateJul 30, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02D41/062
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A system for controlling the fuel injection amount in an internal combustion engine. The fuel injection amount is calculated based on the ratio of the amount of intake air measured by an air flow meter to the engine speed. The injection amount is maintained at not less than a predetermined minimum amount during the starting of the engine even if an undershoot occurs in the signal level from the air flow meter after the starter has been switched off. Thus, a sharp decrease in the engine speed is prevented, and thus engine stalling is also prevented.

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