Patent ID: 9341137
Filing Date: 2016-05-17
CPC Classification: F02F

Claim Text:
1. Piston ( 10 ) for an internal combustion engine, having a piston head ( 11 ) and a piston skirt ( 16 ), having a cooling channel ( 15 ) disposed in the piston head ( 11 ), and having at least one bore ( 17 ) that opens into the cooling channel ( 15 ), in which bore a guide tube ( 18 ) for a cooling oil jet (A) is accommodated, wherein a jet divider ( 19 ) is disposed at the first free end ( 18 a ) of the guide tube ( 18 ), and wherein the outer surface of the guide tube ( 18 ), in the region of the second free end ( 18 b ) of the guide tube ( 18 ), has a contact surface ( 24 ) that lies against an inner surface ( 25 ) of the piston ( 10 ) in rotation-preventing manner, wherein said contact surface is configured so that a cross-section of the guide tube ( 18 ) that contains the contact, surface ( 24 ) is asymmetrical, wherein the guide tube ( 18 ) has at least two resilient tongues ( 26 ) that flex radially inward, and wherein a contact shoulder ( 29 ) is formed on the lower edge of said tongues ( 26 ), said contact shoulder extending radially outward and supporting itself in the cooling channel ( 15 ) in a region of the bore ( 17 ).