The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2011
Filed:
May. 28, 2009
Ernst Winklhofer, St. Johann ob Hohenburg, AT;
Alexander Friedl, Graz, AT;
Ernst Winklhofer, St. Johann ob Hohenburg, AT;
Alexander Friedl, Graz, AT;
AVL List GmbH, Graz, AT;
Abstract
The invention relates to a measuring device () for detecting processes in the combustion chamber of an internal combustion engine, comprising a pressure sensor () which is arranged to be inserted into a bore hole of the internal combustion engine which opens into a combustion chamber, with the pressure sensor () comprising at least one optical light guide () optically opening into the combustion chamber, and with an optical injection element () being arranged preferably in the opening region into the combustion chamber. In order to enable performing simultaneously a pressure measurement and optical combustion chamber monitoring at the same place of the combustion chamber, it is provided that the optical injection element () is soldered into a pressure membrane () of the pressure sensor () or into the housing () of the pressure sensor ().