Vehicle-mounted internal combustion engine

Details Vehicle-mounted internal combustion engine Vehicle-mounted internal combustion engine

2005-12-20

2005-12-20

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C123S568210

Reexamination Certificate

active

06976481

ABSTRACT:
An vehicle-mounted internal combustion engine (1) provided with an EGR line (11) for recirculating exhaust gas, an EGR valve (12) which is arranged in said EGR line (11) and controls an EGR amount, and an EGR controller (41), is constituted so that said EGR controller (41) opens said EGR valve and performs control for scavenging said EGR line (11) at the time of reducing vehicle speed and during idling.With this vehicle-mounted internal combustion engine (1), the sulfuric acid corrosion can be avoided by preventing condensation of moisture in the exhaust gas in the EGR line (11), the EGR valve (12), etc. developed when the internal combustion engine (1) stops running.

REFERENCES:
patent: 4177641 (1979-12-01), Wakita et al.
patent: 5592925 (1997-01-01), Machida et al.
patent: 6273073 (2001-08-01), Suzuki
patent: 6659090 (2003-12-01), Sisken
patent: 2002/0078935 (2002-06-01), Opris
patent: 2737412 (1998-01-01), None

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