Thermally insulating pistons for internal combustion engines and method for the manufacture thereof

摘要

A thermally insulating piston for internal combustion engines is provided on the piston crown or in its dished combustion space portion with a thermally insulating liner which on the side thereof facing the combustion space consists entirely of a ceramic material, and which on the side thereof facing the piston crown or its dished combustion space portion has a metallic or metal-ceramic material fused with the piston metal.