Patent · US Expired

Ignition system for an internal combustion engine

US6684866B2 · kind B2 · utility

1Cited by

4References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Horst Meinders · Reutlingen, DE
Wolfgang Feiler · Reutlingen, DE

Key dates

Filing date	Mar 13, 2003
Grant date	Feb 3, 2004
Priority date	—
Expiry date	Mar 13, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02P3/02
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

An ignition system is for an internal combustion engine having an ignition device that requires a high voltage (ignition voltage) for igniting the ignition spark. Two ignition coils are provided, which have secondary windings that are each connected to electrodes of a spark plug, which have primary windings that may be connected in each case by a switching arrangement to a supply voltage source, and a drive circuit, via which the ignition coils are driven in a time-displaced manner.

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