Patent ID: 6443136
Filing Date: 2002-09-03
Classification: F01M,F02B,F02F

Abstract:
An internal combustion engine with a breather apparatus, comprising:a cylinder head cover having a top wall and a circumferential wall which define an internal upper space within said cylinder head cover; and a bottom plate closing an opening at a lower end of the circumferential wall of said cylinder head cover so as to form a gas-liquid separation chamber, wherein said bottom plate is inclined when said internal combustion engine is set in a normal posture, further wherein an oil return port is formed at a lowest portion along an edge portion of a lower side of said inclined bottom plate, further wherein a blow-by gas inlet port is provided at a position along an edge portion of an upper side of said bottom plate, the position facing said oil return port; and further wherein a guide wall is provided for guiding flows of blow-by gases that are flowed through said blow-by gas inlet port toward said oil return port such that said flows of blow-by gases are deflected at substantially right angle before said oil return port.