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1. (WO2018099875) PISTON CROWN

Pub. No.:    WO/2018/099875    International Application No.:    PCT/EP2017/080572
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Tue Nov 28 00:59:59 CET 2017
IPC: F02B 23/06
F02F 3/26
F02F 3/28
Applicants: PERKINS ENGINES COMPANY LIMITED
Inventors: PAGE, Vivian
GOVINDARAJAN, Rukmangadhan
Title: PISTON CROWN
Abstract:
The disclosure provides a piston crown for a piston mountable in a combustion cylinder of an internal combustion engine. The piston crown includes a top annular surface. Radially inside the top annular surface is a piston bowl for guiding fuel injected into the combustion cylinder. The piston bowl includes a frusto-conical lip chamfer surface at a throat of the piston bowl next to the annular surface. In diametric cross-section the lip chamfer surface has a radius of at least 30 mm, preferably 30 mm.