Patent · US Expired

Ignition systems and fuel injection systems for internal combustion engines

US3981282A · kind A · utility

6Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 8, 1973
Grant dateSep 21, 1976
Priority date
Expiry dateJan 8, 1993

Classification

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

Abstract

The advance and retard of the spark ignition in an ignition system of an internal combustion engine is achieved electronically by generating two series of pulses in synchronism with the engine using one series as a reference for maximum advance and the other series to operate a counter to count down the requisite number of pulses beyond the maximum advance point before the spark is initiated, the count of the counter being varied from a computer in accordance with speed and/or load on the engine.

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