| 摘要 |
An oil jet 15 comprising: a nozzle 41 having a tip section 41b curved towards a cylinder 11; and a main body section having a base end section 41a of the nozzle 41 attached to a side surface thereof, being provided in a long shape extending in the axial direction of the base end section 41a, and being attached to an attachment surface provided on the bottom dead center-side of the cylinder 11. The main body section 42 comprises: a connection protrusion 42b provided in an end section on the furthest side from the nozzle 41 in a surface 42f facing the attachment surface 10a, said connection protrusion 42b being inserted into an auxiliary oil supply path 14b provided in the attachment surface 10a; a connection path 42c formed on the inside of the connection protrusion 42b and connecting the auxiliary oil supply path 14b and the nozzle 41; and a positioning protrusion 42d provided in an end section on the nozzle 41 side of the facing surface 42f and being inserted into a positioning recessed section 10b provided in the attachment surface 10a. |
