Patent · US Active

Seal for a glow plug

US8003917B2 · kind B2 · utility

9Cited by

4References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Christoph Kern · Aspach, DE
Ewgenji Landes · Waiblingen, DE
Reiko Zach · Waiblingen, DE
Michael Kleindl · Schwieberdingen, DE
Christian Doering · Stuttgart, DE
Steffen Schott · Schwieberdingen, DE
Pavlo Saltikov · Waiblingen, DE

Key dates

Filing date	Mar 6, 2008
Grant date	Aug 23, 2011
Priority date	—
Expiry date	Jan 2, 2029

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23Q7/001
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A glow plug for a combustion chamber of a self-igniting internal combustion engine has a ceramic heating element designed as a sheathed-element glow plug, which is surrounded by a supporting tube. The ceramic heating element is sealed with respect to the combustion chamber of the internal combustion engine by a seal in the supporting tube. The seal is designed as a sealing element made of an FeNi alloy having an Invar effect.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.