Robert Boschgmbh

Kistler Holding Ag

Juergen Krueger

Holger Scholzen

Michael Mueller

Anke Maier-Schleich

Peter Wolfer

Claudio Cavalloni

Christoph Kern

Christian Doering

Steffen Schott

Janpeter Wolff

Pavlo Saltikov

Mathias Klenk

Thomas Ludwig

Achim Knittel

Wolfgang Koetzle

Reinhold Hess

Ulrich Meingast

Martin Ammann

Oliver Glock

Anke Maierschleich

A sensor module having a sensor housing, at least one piezoelectric converter element that is disposed in the sensor housing, and at least one insulating member that is disposed in the sensor housing alongside the converter element. The insulating member has on its outer periphery at least one recess in which a contacting system of the converter element extends. A pressure-measuring glow plug having a sensor module of this kind is also described.

Sensor module for a pressure-measuring sheathed-element glow plug

A pressure-measuring device for recording a pressure in a combustion chamber of an internal combustion engine, having a force transmission body, situated in a housing, which is exposed to the combustion chamber and which transmits the combustion chamber pressure to a pressure-measuring unit at least indirectly by an axial motion, and having a flexible diaphragm, which is situated between the force transmission body and the housing. The flexible diaphragm is configured to be resilient to implement the axial motion of the force transmission body within the housing. A flexible additional diaphragm is connected ahead of the flexible diaphragm on the combustion chamber side, which seals the flexible diaphragm from the combustion chamber.

Pressure-measuring device with additional diaphragm

The invention relates to a pressure sensor (), comprising a housing (), a housing element () which may be exposed to a pressure chamber (), mounted on the housing () by means of a metallic membrane () and a measuring cell () which can indirectly measure a pressure acting on the housing element () and transmitted to the measuring cell () as a force resulting therefrom. According to the invention, said pressure sensor () comprises a housing element () embodied as a pin and projects out of the housing (). The advantage of such an arrangement is only a small drilling to a pressure chamber () need be provided, in order to carry out a pressure measurement. The pin () need only be so long that the front end thereof, in the assembled state, approximately reaches the wall () of the pressure chamber ().

Pressure sensor

Growing community of inventors

Heilbronn, Germany

Juergen Krueger