EGR coolant control system

Details EGR coolant control system EGR coolant control system

2007-12-28

2009-02-03

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

Reexamination Certificate

active

07484502

ABSTRACT:
An EGR coolant control system according to an exemplary embodiment of the present invention may include a coolant exhaust pipe connected with the coolant supply pipe, an EGR coolant supply pipe connected with the coolant supply pipe and the coolant exhaust pipe, a coolant control plate that is disposed in a junction portion of the coolant supply pipe, the coolant exhaust pipe, and the EGR coolant supply pipe, and that controls supply of a coolant, and an actuator controlling the coolant control plate according to in engine rotation speed.

REFERENCES:
patent: 7299771 (2007-11-01), Wei et al.
patent: 2003/0070427 (2003-04-01), Banzhaf et al.
patent: 2004/0216700 (2004-11-01), Hutchins
patent: 2006/0185626 (2006-08-01), Allen et al.
patent: 2007/0028902 (2007-02-01), Nigoro et al.

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