GALLERY-COOLED PISTON WITH A FUNNEL-SHAPED INLET INTO THE COOLING GALLERY

摘要

A gallery-cooled piston (6) with a cooling gallery (9) or a cooling chamber in the region of the piston crown (10) of the gallery-cooled piston (6), wherein at least one opening (11 or 12) which has a funnel-shaped inlet is provided from an inner region (8) of the gallery-cooled piston (6) to the cooling gallery (9) or the cooling chamber, characterized in that a funnel-shaped tube (1) is inserted into and fixed in the at least one opening (11 and/or 12) after the production of the gallery-cooled piston (6).