Method for producing a spark plug electrode

US7192324B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Thomas Juestel · Aachen, DE
• Heinz Ulm · Gräfenberg, DE
• Konrad Funk · Gundelsheim, DE
• Martin Klassen · Ditzingen, DE
• Jochen Fischer · Whitehall, US
• Andreas Benz · Erlangen, DE

Key dates

• Filing date: Dec 22, 2001
• Grant date: Mar 20, 2007
• Expiry date: Mar 23, 2022

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01T21/02
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A method of joining an electrode of a spark plug with a noble metal is described, the noble metal being joined locally with the electrode using a thermal input produced by a continuously operating laser beam.