Patent ID: 8596229

Claim:
A ventilation head cover of an engine comprising: a head cover main body having a blow-by exhaust portion; and a baffle plate disposed at a lower side of the head cover main body with a predetermined distance therebetween to form a gas passage with the blow-by exhaust portion, wherein the baffle plate, including a plate main body having one side end portion of the plate main body, integrally bent several times alternating in upward and downward directions to form a plurality of oil inflow prevention walls; wherein the plurality of oil inflow prevention walls include: a first oil inflow prevention wall bent from the one side end portion of the plate main body vertically in the upward direction; a second inflow prevention wall bent from an upper end of the first oil inflow prevention wall vertically in the downward direction; a third inflow prevention wall bent from a lower end of the second oil inflow prevention wall vertically in the upward direction; and a fourth inflow prevention wall bent from an upper end of the third oil inflow prevention wall vertically in the downward direction; wherein each of the first, second, third and fourth oil inflow prevention walls comprises a plurality of gas passage holes formed therein.