Patent · US Expired

Method of cold starting a throttle-free, multi-cylinder internal-combustion engine

US6334417B1 · kind B1 · utility

9Cited by

4References

4Claims

0Family size

Assignee

FEV MOTORENTECHNIK GMBH · DE

Inventors

Wolfgang Salber · Aachen, DE
Martin Pischinger · Aachen, DE
Thomas Esch · Kaarst, DE
Jürgen Hagen · Erlangen, DE

Key dates

Filing date	Jul 12, 1999
Grant date	Jan 1, 2002
Priority date	—
Expiry date	Jul 12, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method of cold starting an internal-combustion engine includes the steps of rotating the engine crankshaft by a starter motor to initiate cold starting; and during initial work cycles of the cold start, controlling, by an engine control device, the cylinder valves, the fuel injection device and the ignition device belonging to at least one selected cylinder, such as to operate the selected cylinder in a delayed intake opening mode.

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