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1. (WO2002002928) FUEL INJECTION SYSTEM

Pub. No.:    WO/2002/002928    International Application No.:    PCT/DE2001/002398
Publication Date: Jan 10, 2002 International Filing Date: Jul 3, 2001
IPC: F02B 23/10
F02B 75/12
F02F 1/24
F02M 61/18
Applicants: ROBERT BOSCH GMBH
ARNDT, Stefan
HERDEN, Werner
Inventors: ARNDT, Stefan
HERDEN, Werner
Title: FUEL INJECTION SYSTEM
Abstract:
The invention relates to a fuel injection system (1) for internal combustion engines, comprising a fuel injection valve (12) that injects the fuel into the combustion chamber (2) that is defined by a cylinder wall (3). A piston (5) is guided inside said cylinder wall (3) and a spark plug (8) projects into the combustion chamber (2). The fuel injection valve (12), by means of at least one row (23) of injection orifices (24) disposed on the periphery of a valve body (20) of the fuel injection valve (12), produces a conical mixed cloud (13). The valve body (20) is additionally provided with a center injection orifice (22) that produces a center portion of the mixed cloud (13) that is directed towards the spark plug (8).