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1. (WO2018184972) COMBUSTION CHAMBER ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE AND USE OF A COMBUSTION CHAMBER ARRANGEMENT FOR INJECTING OME FUEL

Pub. No.:    WO/2018/184972    International Application No.:    PCT/EP2018/058064
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Fri Mar 30 01:59:59 CEST 2018
IPC: F02B 23/06
F02M 61/18
C10L 1/185
C10L 1/02
F02B 1/14
F02F 3/26
F02B 3/08
F02B 23/10
Applicants: CONTINENTAL AUTOMOTIVE GMBH
Inventors: KASTNER, Oliver
MAIWALD, Oliver
RÖSEL, Gerd
BRÜCK, Rolf
Title: COMBUSTION CHAMBER ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE AND USE OF A COMBUSTION CHAMBER ARRANGEMENT FOR INJECTING OME FUEL
Abstract:
The invention relates to a combustion chamber arrangement (12) for combusting an injected OME fuel (20b), wherein a cavity (22) of a cavity piston (14) that moves in a translational manner up and down along a piston longitudinal axis (26) has a side wall (30) to bound the cavity (22), which side wall has a region (44) extending parallel to the piston longitudinal axis (26) and a recess (34) extending radially away from the piston longitudinal axis (26) and arranged circumferentially about the piston longitudinal axis (26), the depth (T) of said recess in the direction of extent (52) being at most 1/4 of the distance (a) between the piston longitudinal axis (26) and the region (44) of the side wall (30) extending parallel to the piston longitudinal axis (26). The invention also relates to a combustion chamber arrangement (12) having a side wall (30) of such a cavity (22), said side wall extending in a section parallel to the piston longitudinal axis (26) in a straight line at least in a region arranged adjacent to an end-face piston end (36). The invention further relates to the use of a combustion chamber arrangement (12) of this kind for injecting OME fuel (20b) into a combustion chamber (10) of an internal combustion engine.