A piston with dual-type protrusions on the combustion bowl rim for optimized fuel-air mixing and controlled combustion in diesel engines.

Patentradars sammanfattning

This patent discloses a piston design for internal combustion engines featuring a piston bowl with a floor portion and circumferential rim incorporating spaced-apart protrusions of two distinct types, along with fuel impingement features. The dual-protrusion geometry on the rim portion is designed to enhance fuel atomization and flow patterns within the combustion chamber. The innovation applies to diesel and homogeneous charge compression ignition (HCCI) engines, targeting improved combustion efficiency and emissions reduction in heavy-duty truck applications by Volvo.

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