Method for determining the oxygen concentration in the exhaust gas of an internal combustion engine, and a sensor device for determining the oxygen concentration in the exhaust gas of an internal combustion engine

摘要

PROBLEM TO BE SOLVED: To provide a method and sensor device for determining at least one physical characteristic of gas in at least one measurement gas chamber.;SOLUTION: At least one electrode is formed of an electrode formed of a plurality of parts, namely a first electrode and/or second electrode consisting at least two partial electrodes, at least one first partial electrode is used for applying a first pumping voltage, and at least one second partial electrode different from the first partial electrode is used for applying a second pumping voltage.;COPYRIGHT: (C)2009,JPO&INPIT