The oil control ring is the most critical component for oil consumption and friction from the piston system in internal combustion engines. Three-piece oil control rings are widely used in Spark ...

This is a preview. Log in through your library . Abstract The feasibility of using presently available liquid lubricants in advanced, high speed aircraft engines has been investigated with a ...

Here are some of the technologies that are extending the life of the internal combustion engine by making it more efficient. Displacement on demand: Shuts down unneeded cylinders once a vehicle ...