Ignition control device and method

US6374801B1 · kind B1 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Martin Haussmann · Sachsenheim, DE
• Harry Friedmann · Renningen, DE

Key dates

• Filing date: Jan 31, 2001
• Grant date: Apr 23, 2002
• Expiry date: Jan 31, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/40
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

An ignition controller has a revolution rate detector, a crankshaft angle detector, a computer, a first read/write memory device for the computed ignition angles for all cylinders, an ignition cycle overlap detector, a FIFO memory for storing a computed ignition angle and a copier for copying the angle from the first memory to the second depending on the degree of overlap. An ignition output device outputs the ignition angle for the next cylinder to be ignited and the corresponding charging time and charging starting angle.