Patent · US Active

Sheathed-element glow plug

US7712444B2 · kind B2 · utility

7Cited by

4References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Christoph Kern · Aspach, DE
Reinhold Hess · Winterthur, CH
Reiko Zach · Waiblingen, DE
Michael Kleindl · Schwieberdingen, DE
Peter Wolfer · Neuhausen, CH
Steffen Schott · Schwieberdingen, DE
Claudio Cavalloni · Regensdorf, CH
Pavlo Saltikov · Waiblingen, DE
Michael Mueller · Nagold, DE
Andrea Bertola · Zürich, CH

Key dates

Filing date	Nov 23, 2006
Grant date	May 11, 2010
Priority date	—
Expiry date	Nov 23, 2026

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF23Q2007/002
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sheathed-element glow plug is used to be situated in a chamber in an internal combustion engine. The sheathed-element glow plug has a housing, a pin-shaped heating element, which extends partially from the housing and a pressure sensor which is situated in an inner chamber of the housing. A prestressing sleeve is provided, in this context, which applies a prestressing to the pressure sensor.

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