Provided is an engine combustion chamber structure wherein the thermal efficiency of an engine and fuel consumption are improved. Also provided is an inner wall structure for a through channel, through which exhaust gas or intake gas of the engine passes. An engine combustion engine structure is…

The blade body (15) is a Ni- or Co-based superalloy with two different ceramic insulating layers (31, 33) applied to it. The second layer (33) has the following composition, expressed in wt%: (i) 10-95 magnesium aluminate; (ii) 5-90 magnesium oxide; (iii) 0-20 aluminum oxide. The residue comprises…

The invention relates to a fuel pump, of which sliding mechanism parts in its fuel chamber have good wear resistance under a severe environment, and to a direct fuel injection engine using the fuel pump. [0002] In a fuel pump for pressurizing and delivering fuel to a fuel injector of a vehicle…

Gas turbine blades have a ceramic thermal insulation layer of 10-95 wt.% magnesium aluminate (MgAl2O4), 5-90 wt.% magnesium oxide (MgO) and 0-20 wt.% aluminum oxide (Al2O3), rest usual impurities. It has MgO grains with an average diameter of 0.1-10 mu m embedded in a matrix of MgAl2O4 spinel. The…