METHOD AND DEVICE FOR CALIBRATING AN EXHAUST GAS SENSOR
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United States of America Patent
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Nov 8, 2013
filing date -
Nov 9, 2012
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Abstract
A method for calibrating an exhaust gas sensor arranged in a measurement chamber, includes providing a measurement chamber in or adjacent to an exhaust channel of an internal combustion engine. At the start of a calibration phase, exhaust gas present in the measurement chamber is displaced by a filling of the measurement chamber with calibration gas, and at the end of the calibration phase, exhaust gas diffuses into and/or is introduced into the measurement chamber.
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