Glow plug and process for its manufacture

US6255626A · kind A · utility

Assignee

• BERU Aktiengesellschaft · DE

Inventors

• Max Endler · Ludwigsburg, DE
• Martin Allgaier · Ludwigsburg, DE
• Michael Haussner · Memmingen, DE
• Heinz-Georg Schmitz · Marbach am Neckar, DE
• Ulf Wyrwich · Pleidelsheim, DE
• Reinhold Grebe · Marbach am Neckar, DE
• Hans-Peter Kasimirski · Ludwigsburg, DE
• Martin Eller · Ludwigsburg, DE

Key dates

• Filing date: May 5, 2000
• Grant date: Jul 3, 2001
• Expiry date: May 5, 2020

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23Q2007/004
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

A glow plug including plug body composed of an electrically insulating plastic material, a heating rod having an inner pole connected to heating elements, and optionally, control elements, and an outer pole which is electrically insulated from adjoining components of the plug body.