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:
Aug. 28, 2018
Filed:
Sep. 11, 2013
Avl List Gmbh, Graz, AT;
Christoph Pfister, Graz, AT;
Hinrich Mohr, Beckdorf, DE;
Rüdiger Teichmann, Hart B. Graz, AT;
Christian Strasser, Graz, AT;
Wilhelm Gutschi, Lannach, AT;
AVL List GmbH, Graz, AT;
Abstract
The invention relates to a method for monitoring at least one exhaust gas turbocharger (ATL) of a large internal combustion engine (BKM), comprising at least one compressor () and one exhaust gas turbine () arranged on the same shaft as the compressor, wherein the current pressures (p, p) upstream and downstream of the compressor () and the current temperatures (T, T) upstream of the compressor () and upstream of the exhaust gas turbine () are measured. In order to monitor an exhaust gas turbocharger effectively and as simply as possible, the current pressures (p, p) upstream and downstream of the exhaust gas turbine (), the current temperatures (T, T) downstream of the compressor () and downstream of the exhaust gas turbine (), and the rotational speed (n) of the exhaust gas turbine () are measured, preferably continuously, the efficiencies (η) of the compressor () and of the exhaust gas turbine () are calculated from the measured data, and a diagnostic algorithm is started when a worsening of the efficiency (η, η) of the compressor () and/or of the exhaust gas turbine () is detected or after a defined time interval has elapsed.