Patent ID: 7571705
Filing Date: 2009-08-11
Classification: F01M

Abstract:
1. A lubrication device for an engine, comprising: an oil pan which is disposed at a lower portion of an engine and stores lubrication oil; an oil pump which is disposed above the oil pan and driven by the engine; a suction oil passage which guides the oil in the oil pan to a suction port of the oil pump; a supply oil passage which guides the oil discharged from a discharge port of the oil pump to lubrication parts of the engine; and a strainer which filters the oil sucked from the oil pan by the oil pump, wherein the suction oil passage is divided into an upstream oil passage on a side of the oil pan and a downstream oil passage on a side of the oil pump, and a filter net serving as the strainer is sandwiched between the upstream oil passage and the downstream oil passage.