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. 07, 2018
Filed:
Jun. 16, 2014
Avl List Gmbh, Graz, AT;
Martin Schüssler, Graz, AT;
Markus Thaler, Graz, AT;
AVL List GmbH, Graz, AT;
Abstract
The invention relates to a method for checking the efficacy of an exhaust gas after-treatment device (), especially of a catalyst, for an internal combustion engine, exhaust gas generated by a donor internal combustion engine () flowing through the exhaust gas after-treatment device () to be checked. In order to allow the efficacy of an exhaust gas after-treatment device () to be checked with a high degree of flexibility and in a simple manner, a partial quantity is withdrawn from the exhaust gas flow of the donor internal combustion engine () and is fed to a defined partial inlet cross-section () of the exhaust gas after-treatment device () to be checked.