Ceramic heating rod and glow plug containing the latter and a process for their manufacture

US6335516B1 · kind B1 · utility

Assignee

• BERU Aktiengesellschaft · DE

Inventors

• Helmut Muller · Bensberg, DE
• Jens Hillius · Steinach, DE

Key dates

• Filing date: Jun 30, 2000
• Grant date: Jan 1, 2002
• Expiry date: Jun 30, 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

Heating rod with a heating element of electrically conductive ceramic material which has a heating area which is U-shaped in the lengthwise section integrally adjoining a pair of conductors, the heating element (1a) being embedded in a heating rod body (1b) of electrically insulating ceramic mass(3).