Oil Pan Structure for Internal Combustion Engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTakahiro Kawashima
Life of this patent
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Abstract
An oil pan structure for an internal combustion engine includes an oil pan and a baffle plate provided inside the oil pan having a storage section for collecting oil that is returned after circulating through the engine to lubricate and cool the engine. The storage section has a generally flat bottom with a generally rectangular shape as viewed in a plan view, and front, left, and right side walls that extend upward from the bottom. The storage section also has an oil drain port through which the oil in the storage section is drained into the oil pan. The opening of oil drain port is near and faces a wall of the oil pan.
Claims9
An oil pan structure for an internal combustion engine, comprising:
- an oil pan;
- and
- a baffle plate provided inside the oil pan, wherein:
- the baffle plate has a storage section for collecting returning oil and an oil drain port through which the oil in the storage section is drained into the oil pan;
- an opening of the oil drain port is near and faces a wall of the oil pan;
- the storage section of the baffle plate has a generally flat bottom having a generally rectangular shape and walls extending upward from three sides of the bottom of the baffle plate, leaving one side open;
- the oil drain port is formed at the open side of the bottom;
- and
- the bottom of the baffle plate has an oil outlet port opening at a position opposite the opening of the oil drain port.
Dependencies are inferred from the claim text.