Rod glow plug

US6605801B2 · kind B2 · utility

Assignee

• BERU Aktiengesellschaft · DE

Inventors

• Michael Haussner · Memmingen, DE
• Helmut Buck · Schriesheim, DE
• Heiko Sülzle · Ludwigsburg, DE

Key dates

• Filing date: Apr 8, 2002
• Grant date: Aug 12, 2003
• Expiry date: Apr 8, 2022

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F23Q7/001
• WIPO field: Thermal processes and apparatus
• WIPO sector: Mechanical engineering

Abstract

Rod glow plug with a plug body and an internal heating rod. Between the heating rod (1) and the plug body (7) in the area of a seal seat of the rod glow plug, an electrically insulating shaped part (3) securely adjoins the heating rod (1) supporting the combustion space-side end (7a) of the plug body (7), electrically insulated from the heating rod (1).