Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1989-11-28
1991-05-28
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Methods
60276, 60277, F01N 318
Patent
active
050183486
ABSTRACT:
An internal combustion engine has a catalytic converter in its exhaust gas path. In the catalytic converter, two exhaust gas emission measuring probes are provided spatially separated from one another. The phase shift between the output signals of these two measuring probes is used as a measure of the aging of the catalytic converter.
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patent: 4707985 (1987-11-01), Nagai et al.
patent: 4720973 (1988-01-01), Katsuno
patent: 4739614 (1988-04-01), Katsuno
patent: 4761950 (1988-08-01), Nagai et al.
Durschmidt Ferry
Kolb Harmut
Strauss Wolfgang
Weckenmann Hartmut
Daimler-Benz AG
Hart Douglas
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