Patent ID: 9745888
Date: 2017-08-29
CPC Classifications: F01P

Claim:
1. An engine system having a coolant control valve, the engine system comprising: a cylinder head including an intake side head coolant jacket for cooling an intake side thereof and an exhaust side head coolant jacket for cooling an exhaust side thereof formed in the cylinder head; a cylinder block arranged on a lower side of the cylinder head and having an intake side block coolant jacket for cooling an intake side of the cylinder block and an exhaust side block coolant jacket for cooling an exhaust side cylinder block formed therein; and the coolant control valve arranged for independently controlling coolant flowing through the intake side head coolant jacket, the exhaust side head coolant jacket, the intake side block coolant jacket and the exhaust side block coolant jacket, wherein the intake side head coolant jacket is connected to a heater core and an Exhaust Gas Recirculation (EGR) cooler, wherein the exhaust side head coolant jacket and the exhaust side block coolant jacket are connected to a radiator; and wherein the intake side block coolant jacket is connected to an oil cooler, wherein the coolant supplied to the coolant control valve through the cylinder block and the cylinder head is supplied to the heater core for cabin heating, the EGR cooler for cooling recycling exhaust gas, the radiator for dispersing heat to the outside, and the oil cooler for controlling an oil temperature, and wherein the coolant control valve controls the coolant to be supplied to the heater core, the EGR cooler, the radiator, and the oil cooler, respectively and independently, wherein: