Method for diagnosing catalyzing device of IC engine and IC engine
A technology for catalytic converters and internal combustion engines, applied in the field of catalytic converters, can solve problems such as catalytic converter aging, and achieve the effect of fast execution possibility and simple execution possibility
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[0018] FIG. 1 shows an internal combustion engine 1 of a motor vehicle, in which a piston 2 reciprocates in a cylinder 3 . Cylinder 3 is provided with a combustion chamber 4 which is delimited essentially by piston 2 , intake valve 5 and exhaust valve 6 . An intake pipe 7 is connected to the intake valve 5 and an exhaust pipe 8 is connected to the exhaust valve 6 .
[0019] In the area of intake valve 5 and exhaust valve 6 , an injection valve 9 and a spark plug 10 protrude into combustion chamber 4 . Fuel can be injected into combustion chamber 4 via injector 9 . The fuel in combustion chamber 4 can be ignited by means of spark plug 10 .
[0020] In the intake manifold 7 there is a rotatable throttle valve 11 through which air is fed into the intake manifold 7 . The air quantity fed depends on the angular position of the throttle valve 11 . In the exhaust line 8 there is a catalytic converter 12 which serves to purify the exhaust gases produced by the combustion of fuel...
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