Patent · US Expired

Spark-ignition internal combustion engine

US4344392A · kind A · utility

5Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 10, 1980
Grant dateAug 17, 1982
Priority date
Expiry dateJan 10, 2000

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02N19/00
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

In a spark-ignition internal combustion engine, during low engine temperature or battery voltage, additional fuel is introduced into the mixture supply system of the engine and, following a predetermined time delay, the cranking motor of the engine is actuated to start the engine.

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