A Lambda Sensor Using Intake Mixture of Natural-Gas-Fueled Engines: The Censor

Paper #:
  • 932821

Published:
  • 1993-10-01
Citation:
Klimstra, J., Scholthof, G., and Smits, J., "A Lambda Sensor Using Intake Mixture of Natural-Gas-Fueled Engines: The Censor," SAE Technical Paper 932821, 1993, https://doi.org/10.4271/932821.
Pages:
10
Abstract:
A special combustion chamber is described which burns a small, representative, fraction of the intake mixture of natural-gas-fuelled spark-ignition engines. The combustion end products are led to a lambda sensor which, consequently, will not be deteriorated by lubricating-oil additives and will not be hampered in its operation by unburnt methane. That leads to a largely extended life of the lambda sensor. The paper discusses the construction and control of the special chamber and ends with a discussion on the representativeness of the measured oxygen concentration for the air-to-fuel ratio.
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