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    • 2. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US06223734B1
    • 2001-05-01
    • US09331486
    • 1999-08-02
    • Manfred RuoffHorst Harndorf
    • Manfred RuoffHorst Harndorf
    • F02B4702
    • F02M43/00F02B3/06F02M43/02F02M43/04F02M47/027F02M2200/40
    • A fuel injection system comprising a common rail pressure reservoir filled with fuel at high pressure and having a dual-substance nozzle for dual fluid injection of fuel and a supplementary liquid into an internal combustion engine. The system includes a first 2/2-way valve, in the injection line between the common rail pressure reservoir and a pressure chamber surrounding the nozzle needle of the dual-substance nozzle, and a second 2/2-way valve, whose inlet communicates, via a feed line with the injection line at a point between the first 2/2-way valve and the pressure chamber. An outlet of the pressure chamber communicates with the low-pressure fuel side via a drain line (8). As a result, the otherwise usual, technologically much more complicated 3/2-way magnet valves can be replaced with more economical 2/2-way valves. At the same time, the possibility is afforded of shifting the quantity metering for supplementary liquid to a single metering valve that serves an entire group of fuel injectors.
    • 一种燃料喷射系统,包括在高压下填充燃料的共轨压力储存器,并且具有用于将液体注入燃料和补充液体的内燃机的双重流体注入的双重物质喷嘴。 该系统包括在共轨压力储存器和围绕双重喷嘴的喷嘴针的压力室之间的注入管线中的第一个二分之二阀和一个第二二通阀,其入口连通 通过在第一二通阀和压力室之间的点处具有注射管线的进料管线。 压力室的出口经由排水管路(8)与低压燃料侧连通。 因此,其他通常的,技术上更复杂的3/2向磁阀可以用更经济的二位二通阀代替。 同时,可以将补充液体的计量量转移到为整个燃料喷射器组供应的单个计量阀。
    • 3. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US6092514A
    • 2000-07-25
    • US331487
    • 1999-06-22
    • Manfred RuoffHorst Harndorf
    • Manfred RuoffHorst Harndorf
    • F02M25/022F02M43/00F02M43/02F02M43/04F02M47/00F02M47/02F02M59/04F02M63/00F04B1/20F04B1/32F02B13/00
    • F02M47/027F02M43/00F02M43/02F02M43/04F04B1/20F04B1/32F02M2200/40
    • A fuel injection system with a common rail pressure reservoir which receives fuel at high pressure, and with a dual-substance nozzle for bifluid injection of fuel and a supplementary fluid into an intern combustion engine. The system includes a first 2/2-way valve (MV1) in the injection line between the common rail pressure reservoir and a pressure chamber surrounding the nozzle needle of the dual-substance nozzle, and a second 2/2-way valve (MV2), whose inlet communicates via a supply line with the injection line at a point between the first 2/2-way valve (MV1) and the pressure chamber (3.5), and whose outlet communicates with an outlet line on a fuel low-pressure side. The system is economical and at the same time, it becomes possible to shift the metering for supplementary fluid to a single metering valve that controls an entire group of injectors.
    • PCT No.PCT / DE98 / 02056 Sec。 371日期:1999年6月22日 102(e)日期1999年6月22日PCT提交1998年7月22日PCT公布。 出版物WO99 /​​ 20892 日期1999年04月29日燃料喷射系统,具有在高压下接收燃料的共轨压力储存器,以及用于双燃料喷射燃料和辅助流体的实体内燃机的双重喷嘴。 该系统包括在共轨压力储存器和围绕双重喷嘴的喷嘴针的压力室之间的注入管线中的第一个二分之二阀(MV1)和第二二通阀(MV2) ),其入口通过供应管线与第一二通阀(MV1)和压力室(3.5)之间的点处与注入管路连通,并且其出口与燃料低压 侧。 该系统是经济的,并且同时可以将补充流体的计量转移到控制整组喷射器的单个计量阀。
    • 5. 发明授权
    • Fuel injection system for an internal combustion engine
    • 内燃机燃油喷射系统
    • US6067964A
    • 2000-05-30
    • US331476
    • 1999-07-23
    • Manfred RuoffHorst Harndorf
    • Manfred RuoffHorst Harndorf
    • F02M43/00F02M43/02F02M43/04F02M47/00F02M47/02F02M63/00F02M32/04
    • F02M43/04F02M43/00F02M43/02F02M47/027F02M2200/40
    • A fuel injection system having a common rail pressure reservoir filled with high-pressure fuel and having a dual-fuel injector for a bi-fluid injection of fuel and an additive fluid into an internal combustion engine. The system includes a first 2/2-way valve in the injection line between the common rail pressure reservoir and a pressure chamber encompassing the injector needle of the dual-fuel injector as well as a second 2/2-way valve, whose inlet is connected via a supply line to the injection line at a point between the first 2/2-way valve and the pressure chamber, and whose outlet is connected to the low-pressure fuel side by way of an outlet line. As a result, the otherwise conventional 3/2-way solenoid control valves, which are significantly more complex technically, can be replaced by more reasonably priced 2/2-way valves. At the same time, this raises the possibility of shifting the quantity metering for additive fluid to a single metering valve that serves an entire group of injectors.
    • PCT No.PCT / DE98 / 02771 Sec。 371日期:1999年7月23日 102(e)日期1999年7月23日PCT提交1998年9月18日PCT公布。 WO99 /​​ 20893 PCT出版物 日期1999年4月29日一种燃料喷射系统,其具有填充有高压燃料的共轨压力储存器,并具有双燃料喷射器,用于将燃料和添加剂流体双流体喷射到内燃机中。 该系统包括在共轨压力储存器和包围双燃料喷射器的喷射器针头的压力室之间的注入管线中的第一个二分之二阀以及第二个二通阀,其入口是 在第一二通阀和压力室之间的点处通过供应管线连接到注入管线,并且其出口通过出口管线连接到低压燃料侧。 因此,技术上显着更复杂的其他传统的3/2通电磁阀可以用更合价格的二位二通阀代替。 同时,这提高了将添加剂流量的计量转移到为整个喷射器组服务的单个计量阀的可能性。
    • 7. 发明授权
    • Dual nozzle for injecting fuel and an additional fluid
    • 用于喷射燃料和辅助液体的双重喷嘴
    • US06273032B1
    • 2001-08-14
    • US09331720
    • 1999-07-28
    • Manfred RuoffHorst Harndorf
    • Manfred RuoffHorst Harndorf
    • F02M4304
    • F02M43/04F02B3/06F02B47/02F02M25/0225F02M25/03F02M43/00F02M61/047Y02T10/121
    • A dual-substance nozzle (3) for injecting fuel and supplementary fluid into a combustion chamber of an internal combustion engine, having a nozzle body (3.0) with at least one inlet bore (3.2) for delivery of fuel at high pressure into the dual-substance nozzle (3), and nozzle bores (3.8) for injecting fuel from the dual-substance nozzle into the combustion chamber. A jacket (7), preferably metal, is disposed around the nozzle body (3.0) enclosing at least one hollow chamber (8), adjoining the outside of the nozzle body (3.0) and extending around the nozzle body (3.0) for receiving supplementary fluid. A feed line (5) for delivering supplementary fluid at high pressure into the hollow chamber and one or more injection nozzles for injecting supplementary fluid from the hollow chamber into the combustion chamber are provided. The injection of fuel and supplementary fluid are separate, insuring no mixing thereof upstream of the combustion chamber.
    • 一种用于将燃料和辅助流体喷射到内燃机的燃烧室中的双重物质喷嘴(3),其具有具有至少一个入口孔(3.2)的喷嘴体(3.0),用于将高压燃料输送到双重 (3)和用于将燃料从双剂喷嘴喷射到燃烧室中的喷嘴孔(3.8)。 围绕包围至少一个中空室(8)的喷嘴主体(3.0)周围设置护套(7),邻近喷嘴体(3.0)的外部并且围绕喷嘴体(3.0)延伸以接收补充 流体。 提供用于将补充流体高压输送到中空室中的供给管线(5)和用于将补充流体从中空室注入燃烧室的一个或多个注射喷嘴。 燃料和辅助流体的注入是分离的,确保其不会在燃烧室上游混合。