Vehicle engine structure
AssigneeToyota Jidosha Kabushiki Kaisha
InventorAkira Iida
Life of this patent
Estimating the term…
Abstract
An oil pan (20) includes: a pair of oil pan rail portions (21a, 21b), which are spaced apart from each other under an engine body (10a), and are fastened to the engine body (10a); a pair of side wall portions (22a, 22b), facing each other, which are formed integrally with the oil pan rail portions (21a, 21b); and a cylindrical portion (23), which surrounds a driving axle (19L, 19R) passed through the oil pan (20), and is integrally joined with the pair of side wall portions (22a, 22b) near the pair of oil pan rail portions (21a, 21b). At least one axial end (23a, 23b) of the cylindrical portion (23), an upper half portion (23c) of the cylindrical portion (23) positioned over the driving axle (19L, 19R) is thickened upward up to the level near the upper surface of the oil pan rail portion (21a, 21b).
Claims11
A vehicle engine structure, comprising:
- a body of an engine;
- and
- an oil pan, supported under the engine body, through which a driving axle driven by the engine to drive a driving wheel of a vehicle is passed,
- wherein the oil pan includes:
- a pair of oil pan rail portions, which are spaced apart from each other, and are fastened to the engine body;
- a pair of side wall portions, facing each other, which are formed integrally with the oil pan rail portions under the oil pan rail portions;
- and a cylindrical portion, which surrounds the driving axle, and is integrally joined with the pair of side wall portions near the pair of oil pan rail portions, wherein, at least one axial end of the cylindrical portion, with an upper half portion of the cylindrical portion positioned over the driving axle is thicker at a top portion up to a level near an upper surface of an adjacent one of the oil pan rail portions.
Dependencies are inferred from the claim text.