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Thick Film ZrO2 NOx Sensor
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English
Abstract
This paper describes the design concept and evaluation test results of a multi-layered, thick film zirconia NOx sensor which can be used for lean-burn engine management.
The oxygen concentration in the measuring gas is lowered to a predetermined level with an oxygen pumping cell, in the first stage. In the second stage, another pumping cell further lowers the oxygen concentration which results in simultaneous NOx decomposition.
The second stage pumping current is proportional to the NOx concentration in the measuring gas.
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Citation
Kato, N., Nakagaki, K., and Ina, N., "Thick Film ZrO2 NOx Sensor," SAE Technical Paper 960334, 1996, https://doi.org/10.4271/960334.Also In
References
- Soejima Shigeo Mase Syuzo “Multi-Layered Zirconia Oxygen Sensor for Lean Burn Engine Application” SAE Paper # 850378 1985