Patent ID: 7430814
Filing Date: 2008-10-07
Classification: F01M,G01F

Abstract:
1. An oil filling structure of an internal combustion engine comprising: an oil-filler-port/oil-level-gauge attachment hole formed on a side of the internal combustion engine wherein an oil-level-gauge is positioned for measuring the amount of oil in the inside of the internal combustion engine, the oil-level-gauge being integral with a cap for the oil-filler-port; a guide cylinder portion for guiding the oil-level-gauge deep inside of the oil-level-gauge attachment hole, said guide cylinder portion extends within the internal combustion engine; a side outflow hole for filling oil, said side outflow hole being formed to detour around the guide cylinder portion for oil to directly flow down to the inside on the way of the guide cylinder portion; and a guide wall for preventing the oil-level-gauge from entering the side outflow hole, said guide wall being formed on a lower portion of the side outflow hole.