Patent ID: 8196710
Filing Date: 2012-06-12
Classification: F01M

Abstract:
1. An oil pan structure, comprising: an oil pan main body; a partitioning wall that is provided inside said oil pan main body and that partitions the inside of said oil pan main body into a first area and a second area; and a plate-shaped baffle plate that is provided inside said oil pan main body at least above said first area, a first end of said baffle plate connected to said oil pan main body, and said baffle plate extending inwardly from said oil pan main body and terminating at a second free end of said baffle plate, wherein said baffle plate inclines downward from said first end to said second free end; wherein an oil retaining portion is provided at a part of a bottom wall of said oil pan main body, which is a lower portion of said second area at which an oil suction opening is arranged; an oil cooling portion is provided at a part of said bottom wall of said oil pan main body, which is a lower portion of said first area; an upper communication opening that communicates an upper surface side and a lower surface side of said baffle plate is provided in said baffle plate; and a lower communication opening is provided at a lower end side of said partitioning wall, said lower communication opening communicating said first area and said second area as well as causing oil that has fallen into said first area after passing through said upper communication opening to flow into said second area via said oil cooling portion.