Patent · US Expired

Fuel injection system for successively introducing multiple fuel quantities in an engine cylinder

US4022165A · kind A · utility

31Cited by

10References

3Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Konrad Eckert · Stuttgart, DE
Josef Steiner · Eßlingen, DE
Klaus-Peter Zeilinger
Helmut Eidtmann · Glen Ellyn, US

Key dates

Filing date	Nov 13, 1969
Grant date	May 10, 1977
Priority date	—
Expiry date	Nov 13, 1989

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02M2200/46
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A fuel injection system which is of the type that introduces with a time lag two separate fuel quantities into the same cylinder prior to ignition includes a metering valve assembly to vary one of said quantities supplied by a fuel injection pump and a fuel injection nozzle associated with each engine cylinder and formed of two separate injection valves; one valve is supplied with fuel directly from said fuel injection pump, while the other valve is supplied from said metering valve assembly.

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