Piston for an internal combustion engine
AssigneeMahle International GmbH
InventorUlrich Bischofberger
Life of this patent
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Abstract
A piston for an internal combustion engine includes a piston head that has a piston crown, a top land, a ring part, and a combustion bowl with a bowl base, a bowl wall, and an insert which is made of an annular component and which is held in the piston head by means of an undercut section. According to the invention, the component has an inner wall on the bowl side, the inner wall continuously tapering off all the way to the bowl wall or the bowl base in a flush manner, thereby forming a circumferential edge that tapers into a point.
Claims7
Piston (10) for an internal combustion engine, having a piston head (17) that has a piston crown (12, 32), a top land (13), a combustion bowl (16) having a bowl base (16a), a bowl wall (16b, 27, 127), as well as an insert formed from a ring-shaped component (24, 124), which is held in the piston head (17) by means of an undercut (28), wherein the component (24, 124) has an inner wall (27, 127) on the bowl side, which wall runs out flush and continuously with the bowl wall (16b) or the bowl base (16a), forming a circumferential edge (29, 129) that comes to a point.
Dependencies are inferred from the claim text.