Exhaust pipe arrangement for a turbocharged multi-cylinder internal combustion engine having catalytic converters

Patent · Tue Apr 24 00:00:00 EST 1984

OSTI ID:6511808

Gauffres, U J

An exhaust pipe arrangement for internal combustion engines is disclosed 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.

• Assignee: Daimler-Benz Aktiengesellschaft (Germany, Federal Republic of)
• Patent Number(s): US 4444012
• OSTI ID: 6511808
• Resource Relation: Patent Priority Date: Priority date 18 Apr 1981, Germany, Federal Republic of (F.R. Germany); Other Information: PAT-APPL-369647
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
INTERNAL COMBUSTION ENGINES
CATALYTIC CONVERTERS
SUPERCHARGERS
BYPASSES
CATALYSTS
COMPRESSORS
EXHAUST GASES
PIPES
POSITIONING
START-UP
VALVES
CONTROL EQUIPMENT
ENGINES
EQUIPMENT
FLOW REGULATORS
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
POLLUTION CONTROL EQUIPMENT
WASTES
330100* - Internal Combustion Engines