18532094. METHOD AND DEVICE FOR MEASURING NITROGEN OXIDE AND AMMONIA EMISSIONS FROM AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR COMBUSTION EXHAUST GASES simplified abstract (Robert Bosch GmbH)
METHOD AND DEVICE FOR MEASURING NITROGEN OXIDE AND AMMONIA EMISSIONS FROM AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR COMBUSTION EXHAUST GASES
Organization Name
Inventor(s)
Thomas Zein of Sindelfingen (DE)
Yunjie Lian of Markgroeningen (DE)
Gunther Kegel of Rutesheim (DE)
METHOD AND DEVICE FOR MEASURING NITROGEN OXIDE AND AMMONIA EMISSIONS FROM AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR COMBUSTION EXHAUST GASES - A simplified explanation of the abstract
This abstract first appeared for US patent application 18532094 titled 'METHOD AND DEVICE FOR MEASURING NITROGEN OXIDE AND AMMONIA EMISSIONS FROM AN EXHAUST GAS AFTERTREATMENT SYSTEM FOR COMBUSTION EXHAUST GASES
The patent application describes a method for determining nitrogen oxide and ammonia emissions in the combustion exhaust gas of an engine system with an exhaust-gas-guided internal combustion engine using an output-side nitrogen oxide sensor sensitive to ammonia.
- Detecting the measurement signal of the nitrogen oxide sensor
- Ascertaining partial conversion indications for each catalytic converter segment based on local operating conditions using a conversion model
- Determining a conversion indication from multiple partial conversion indications
- Ascertaining nitrogen oxide and ammonia emissions based on the measurement signal and conversion indication
Potential Applications: - Automotive industry for emission control in internal combustion engines - Environmental monitoring for air quality assessment
Problems Solved: - Accurate measurement of nitrogen oxide and ammonia emissions in exhaust gas - Optimization of catalytic converter performance based on local operating conditions
Benefits: - Improved emission control efficiency - Enhanced environmental protection - Better engine performance optimization
Commercial Applications: Title: "Advanced Emission Control System for Internal Combustion Engines" This technology can be used in automotive manufacturing for developing more efficient and eco-friendly vehicles. It can also be applied in industrial settings for reducing emissions and complying with environmental regulations.
Questions about the technology: 1. How does the method improve the accuracy of emission measurements compared to traditional systems? 2. What are the potential cost savings for manufacturers implementing this technology?
Original Abstract Submitted
A method for determining a nitrogen oxide emission and an ammonia emission in the combustion exhaust gas of an engine system having an exhaust-gas-guided internal combustion engine using an output-side nitrogen oxide sensor having a cross-sensitivity to ammonia. The method including: detecting a measurement signal of the nitrogen oxide sensor; ascertaining a partial conversion indication for each of multiple catalytic converter segments arranged in series in the combustion exhaust gas depending on local operating conditions with the aid of a provided conversion model that maps a local operating condition on the partial conversion indication; determining a conversion indication from the multiple partial conversion indications; and ascertaining a nitrogen oxide emission and an ammonia emission depending on the measurement signal and the conversion indication.
