Patent ID: 8978614
Filing Date: 2015-03-17
Classification: F01M,F16N

Abstract:
1. A lubrication apparatus for a four-stroke engine comprising: an oil tank; a supply passageway having an opening to supply oil mist from the oil tank to driving parts, the opening being provided in the oil tank; partition plate members that divide an inside of the oil tank into an inner area and an outer area, the inner area including the opening, and the outer area being defined between the inner area and the side wall; an additional partition plate member is provided between the inner area and the side wall of the oil tank; and the additional partition plate member is closer to the side wall, and is spaced a smaller distance from each of the top, bottom, front and back walls of the oil tank, than the partition plate members; wherein oil can freely move between the inner area and the outer area; and the opening is located in a position above a surface of the oil accumulated in the oil tank even when the four-stroke engine is tilted in every direction.