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US 2015/0308371 A1Published application
Piston for a cylinder of a combustion engine
AssigneeVolvo Truck Corporation
InventorJan EISMARK
Life of this patent
Estimating the term…
Abstract
A piston for a cylinder of a combustion engine includes piston crown including a piston bowl formed by an upwardly facing cavity, the piston bowl including a floor section with a central, and a side section, the side section connecting the inner section with an upper surface of the piston crown, wherein the side section is formed with mutually spaced apart ridges protruding towards the apex, and wherein the side section having at least one recess at an upper end of the side section connecting the side section with the upper surface of the piston crown.
Claims11
A piston for a cylinder of a combustion engine, the piston comprising:
- a piston crown comprising a piston bowl formed by an upwardly facing cavity;
- the piston bowl including a floor section with a central apex, an inner section extending downwardly from the apex, and a side section, the side section connecting the inner section with an upper surface of the piston crown, wherein the side section is formed with mutually spaced apart ridges protruding towards the apex, and wherein the side section having at least one recess at an upper end of the side section connecting the side section with the upper surface of the piston crown, wherein the at least one recess is formed in the interference between the side section and the upper surface, where the at least one recess and the ridges are arranged to redirect a portion of a flame towards a geometrical central axis of the cylinder, and where the at least one recess is located above an impingement area of the flame.
Dependencies are inferred from the claim text.