Avl List Gmbh

Martin Schüssler

Herbert Thanner

Markus Thaler

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after-treatment device () to be checked with a high degree of flexibility and in a simple manner, a partial quantity is withdrawn from the exhaust gas flow of the donor internal combustion engine () and is fed to a defined partial inlet cross-section () of the exhaust gas after-treatment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.

Method for checking the efficacy of an exhaust gas after-treatment device

The invention relates to a device and a method for determining the operating parameters of individual cells () or short stacks () of fuel cells, preferably of medium-temperature or high-temperature fuel cells.

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Graz, Austria

Martin Schüssler