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    • 26. 发明专利
    • DE2746596A1
    • 1979-04-26
    • DE2746596
    • 1977-10-15
    • BOSCH GMBH ROBERT
    • SCHERENBERG DIETER DIPL INGBENEDIKT WALTER
    • F02P13/00F02B1/04F02B19/12F02B19/16
    • The invention is in an externally ignited internal combustion engine which has one main combustion chamber per cylinder and one ignition chamber which communicates with the main combustion chamber via an excess flow channel, the opening member of which projects into the main combustion chamber and is embodied as a flame injector. After the ignition of the mixture located in the ignition chamber by means of a spark plug, when the jet of flame leaves the excess flow channel and enters the main combustion chamber through the flame injector, the fuel-rich mixture surrounding the opening of the ignition chamber is induced in the vicinity of the cooled walls of the main combustion chamber and thus the temperature of the jet of flame is lowered. In this way, the NOx concentration of the charge component comprising the jet of flame, and thus also the exhaust gas quantity as a whole, is reduced. At the same time, the turbulence of the charge in the main combustion chamber is rapidly increased at the instant of combustion, thus producing a much more desirable firing action.
    • 27. 发明专利
    • DE59910651D1
    • 2004-11-04
    • DE59910651
    • 1999-03-24
    • BOSCH GMBH ROBERT
    • BENEDIKT WALTERRIEGER FRANZNORGAUER RAINER
    • F02M57/06F02M61/16F02M61/18
    • A fuel injection valve (1) having an integrated sparkplug for direct injection of fuel into the combustion chamber of an internal combustion engine and for igniting the fuel injected into the combustion chamber has a valve body (7) which, together with a valve closing body (10) operated by a valve needle (9), forms a seal seat. The valve body (7) and to some extent the valve needle (9) are surrounded radially by an insulating body (6). The insulating body (6) is in turn surrounded radially at least in part by a housing body (2). Ignition electrodes (15, 16) are provided on the valve body (7) and the housing body (2). The valve needle (9) has a first metal guide section (9a) guided in a swirl insert (14), a second metal guide section (9b) guided in the insulating body (6) and an insulating section (9c) arranged between the guide sections (9a, 9b). The guide sections (9a, 9b) are connected in a positive manner to the insulating section (9c).