Multipart cooled piston for a combustion engine and method...

Multipart cooled piston for an internal combustion engine

Multipart, cooled piston for a combustion engine

Oblong piston and cylinder for internal combustion engine

Oblong piston rings for internal combustion engine

Oil passage structure of a cylinder head

Oil scraper piston ring

Oilless internal combustion engine having gas phase lubrication

Oilless internal combustion engine having gas phase lubrication

One piece cast steel monobloc piston

One piece piston connected to a connecting rod for high speed fo

Open chamber diesel engine having a piston with recesses therein

Optical test engine, in particular for combustion parameters...

Otto cycle internal combustion engine giving increased performan

Outboard motor including easy withdrawal and insertion of camsha

Partition plate for intake port, intake port molding sand...

Partition plate for intake port, sand core for forming...

Peristrophic internal combustion engine assembly and multi-part

Piston

Piston