| 摘要 |
PURPOSE: A cylinder head cover having a structure for separating oil from blow-by gas in a gasoline engine is provided to improve the efficiency for separating the oil from the blow-by gas. CONSTITUTION: In a cylinder head cover in a gasoline engine, a cover body(1) covers the upper part of a cylinder head. An exhaust hole(12) is formed on one side of upper face of the cover body(1), and is communicated with an intake pipe through a guiding pipe. A baffle plate(2) is installed on the lower part of the cover body(1) to form an airtight space between the cover body(1) and the baffle plate(2). The baffle plate(2) has a communicating hole(22) communicated with a crankcase. A coolant pipe(4) is installed in the airtight space, and is connected to a cooling system to bypass coolant to the airtight space.
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