EGR COOLANT CONTROL SYSTEM
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United States of America Patent
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Feb 3, 2009
Grant Date -
Feb 26, 2009
app pub date -
Dec 28, 2007
filing date -
Aug 24, 2007
priority date (Note) -
Granted
status (Latency Note)
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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.
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