Patent ID: 7337657
Filing Date: 2008-03-04
Classification: F02P,F23Q

Abstract:
1. A pressure glow plug for a diesel engine, comprising: a glow plug body for being inserted into a cylinder of the diesel engine, a linear heating rod that is arranged in the glow plug body, the heating rod extending completely through the glow plug body, and a pressure sensor that is arranged physically between the heating rod and the glow plug body under a prestress between the heating rod and the glow plug body in such a way that pressure in the combustion chamber of the cylinder acts upon the pressure sensor, wherein the heating rod is arranged in the glow plug body in an axially sliding fashion relative to the glow plug body and transmits the pressure in the combustion chamber of the cylinder to the pressure sensor by relative axial displacement of the heating rod relative to the glow plug body so as to act on the sensor that is disposed between them.