Arrangement for determining the engine speed and an additional o

Details Arrangement for determining the engine speed and an additional o Arrangement for determining the engine speed and an additional o

1990-12-21

1993-06-08

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

731181, 123676, 123687, F01N 300, G01M 1900

Patent

active

052168816

ABSTRACT:
The invention relates to an arrangement which permits operating characteristic variables such as the crankshaft rotational speed and the content of exhaust gas components to be determined in the workshop. The sensor is mounted so as to be stationary in the exhaust gas system or is only intermittently mounted in this system. According to one arrangement of the invention, the exhaust gas sensor includes a first device which receives the pressure of the exhaust gas of the engine. In this way, the crankshaft rotational speed can be arrived at. A second device is arranged in the exhaust gas sensor which has an output signal which is a measure for the content of an exhaust gas component. A further embodiment of the arrangement of the invention includes an exhaust gas sensor having a first device which is configured as a fault meter, temperature sensor or as a hot wire flow meter. Other devices can be utilized to detect further variables of the exhaust gas and evaluate the same.

REFERENCES:
patent: 3284165 (1966-11-01), Baumann
patent: 3908167 (1975-09-01), Hulls et al.
patent: 4040294 (1977-08-01), Matsuda
patent: 4083234 (1978-04-01), Aono
patent: 4129105 (1978-12-01), Ito
patent: 4164142 (1979-08-01), Blanke
patent: 4171637 (1979-10-01), Blanke
patent: 4294214 (1981-10-01), Treible
patent: 4452079 (1984-06-01), Tiller
patent: 5025767 (1991-06-01), Kume

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