Exhaust pipe arrangement for a turbocharged multi-cylinder inter

Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine

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Details

60276, 60280, 60288, F02B 3700

Patent

active

044440120

ABSTRACT:
An exhaust pipe arrangement for internal combustion engines which includes an exhaust gas turbocharger, a bypass conduit for circumventing the turbocharger, a blow off valve, a starter catalyst disposed in an exhaust pipe, an oxygen sensor, and a main catalyst connected downstream of the turbocharger, starter catalyst, and oxygen sensor. To reduce the exhaust gas counterpressure and relieve the load on the starter catalyst at the same time, the starter catalyst is arranged upstream of a junction of the bypass conduit entering into the exhaust pipe.

REFERENCES:
patent: 3791143 (1974-02-01), Keith et al.
patent: 4202176 (1980-05-01), Mezger
patent: 4251990 (1981-02-01), Norimatsu et al.

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