| 摘要 |
An exhaust system for the combustion gases of an internal combustion engine is provided comprising a pressure sensor detecting the increase of the back pressure of the gases inside an exhaust manifold of an internal combustion engine, which back pressure results from the clogging up of a first flameproof stack, or any other device of this type, for discharging the gases. The pressure sensor communicates with the exhaust manifold through a second flame proof stack placed outside the discharge path of the combustion gases.
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