A common ring generation geometry consists of a piston moving through tube that exits into a tank through a circular orifice in a normal wall. This paper investigates the effect of the vortex that ...

Ferrari has patented an oval-piston engine design, featuring pistons with a pill-shaped profile Different than ... designing and producing oval piston rings-circles are easy to machine, ovals ...

Kia is recalling over 100,000 vehicles due to issues involving the piston oil ring. The affected vehicles are Kia MY SOUL and Seltos from 2021, 2022 and 2023 that are equipped with a 2.0L Nu MPI ...