Oil Coking Prevention Using Electric Water Pump for Turbo-Charge Spark-Ignition Engines

Table 1

Specification of target engine.

Type	Turbocharged Inline-4
Bore × stroke [mm]	86 × 94.6
Displacement [L]	2.2
Valve/cylinder	4
Compression ratio	9.5 : 1
Peak power [kW/rpm]	130/5000
Maximum torque [Nm/rpm]	275/3000
Emission standard	Euro 5