EGR cooler purging apparatus and method

Details EGR cooler purging apparatus and method EGR cooler purging apparatus and method

2007-10-16

2007-10-16

Denion, Thomas (Department: 3748)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

C060S605200, C137S625480, C251S209000

Reexamination Certificate

active

11252102

ABSTRACT:
An apparatus for an internal combustion engine (200) includes a base engine (201) having an intake system (217) and an exhaust system (209). A turbine (203) has an inlet in fluid communication with the exhaust system (209), and an outlet. A first exhaust gas recirculation (EGR) cooler (211) fluidly communicates with the intake system (217) and the exhaust system (209) of the engine (200). An EGR valve (213) is in fluid communication with the EGR cooler (211), and a purge valve (205) is in fluid communication with the EGR cooler (211) and the outlet of the turbine (203).

REFERENCES:
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patent: 4350319 (1982-09-01), Kawata et al.
patent: 4593748 (1986-06-01), Kramb
patent: 5669365 (1997-09-01), Gartner et al.
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patent: 6378509 (2002-04-01), Feucht et al.
patent: 6543427 (2003-04-01), Kawasaki
patent: 2006/0021346 (2006-02-01), Whelan et al.

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