公开(公告)号：US09328708B2

公开(公告)日：2016-05-03

申请号：US13577973

申请日：2011-02-03

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M57/02 ,  F02M59/42 ,  F02M69/34 ,  F02M69/42 ,  F02D33/00 ,  F02D41/06 ,  F02D41/38 ,  F02M59/12 ,  F02M63/02 ,  F02M59/02

CPC分类号： F02M59/42 ,  F02D33/006 ,  F02D41/062 ,  F02D41/3854 ,  F02M59/02 ,  F02M59/12 ,  F02M63/027 ,  F02M69/34 ,  F02M69/42

摘要： The invention relates to a fuel injection system of an internal combustion engine, comprising a presupply pump (1) and a downstream high-pressure pump (7), which is connected to a high-pressure accumulator (9) and wherein the high pressure accumulator (9) is operatively connected to at least one fuel injector (10). According to the invention, a fuel injection system is provided and a method for operating such a fuel system is described which avoids the disadvantage of a slow pressure build-up in the high-pressure accumulator (9) and rather allows a rapid start of the internal combustion engine. This is achieved in that the presupply pump (1) is designed to generate a delivery pressure by which a fuel injection by means of the fuel injector (10) is effected, at least in a defined operating state of the internal combustion engine. At the delivery pressure generated by the presupply pump (1), the fuel injector is prompted to open by a control device. A corresponding method for operating the fuel injection system provides for the presupply pump (1) to be operated in a starting operating mode until the internal combustion engine has been started, and after the internal combustion engine has been started to be operated in a presupply operating mode.

摘要翻译： 本发明涉及一种内燃机的燃料喷射系统，其包括与高压蓄能器（9）连接的预供给泵（1）和下游高压泵（7），其中高压蓄能器 （9）可操作地连接到至少一个燃料喷射器（10）。 根据本发明，提供了一种燃料喷射系统，并且描述了用于操作这种燃料系统的方法，其避免了高压蓄能器（9）中缓慢的压力积聚的缺点，并且允许快速启动 内燃机。 这是通过将预供给泵（1）设计成产生输送压力，至少在内燃机的规定的运行状态下通过燃料喷射器（10）进行燃料喷射。 在由供应泵（1）产生的输送压力下，燃料喷射器被控制装置提示打开。 用于操作燃料喷射系统的相应方法提供预供给泵（1）以起动操作模式操作，直到内燃机已经启动，并且在内燃机已经开始在预供应操作中操作之后 模式。

公开(公告)号：US20100230623A1

公开(公告)日：2010-09-16

申请号：US12303894

申请日：2007-05-22

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F16K31/02 ,  H01L41/047 ,  H01L41/083

CPC分类号： H01L41/0838 ,  F02M51/0603 ,  H01L41/0471 ,  H01L41/0833

摘要： A piezoelectric actuator for a fuel injection valve has an actuator body with a plurality of ceramic layers and a plurality of electrode layers between the ceramic layers. There is a connection area between an electrode layer and a ceramic layer adjacent to the electrode layer, where the adhesive strength between the electrode layer and the ceramic layer is reduced in parts of the connection area to provide for a predetermined breaking point within the actuator body. This allows for a controlled rupture of layers within the actuator body with high forces, in particular high shear forces such as those that occur with stress due to shock.

摘要翻译： 用于燃料喷射阀的压电致动器具有在陶瓷层之间具有多个陶瓷层和多个电极层的致动器主体。 在与电极层相邻的电极层和陶瓷层之间具有连接区域，其中电极层和陶瓷层之间的粘合强度在连接区域的一部分中减小，以在致动器主体内提供预定的断裂点 。 这允许致动器主体内的层的受控破裂，具有高的力，特别是高剪切力，例如由于冲击而产生的应力。

公开(公告)号：US20100230622A1

公开(公告)日：2010-09-16

申请号：US12303891

申请日：2007-05-22

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F16K31/02 ,  H01L41/047 ,  H01L41/083

CPC分类号： H01L41/0472 ,  F02M51/005 ,  F02M51/0603 ,  F02M61/08 ,  F02M63/0026

摘要： A piezoelectric actuator for a fuel injection valve has an actuator body with a multiplicity of ceramic layers and a multiplicity of electrode layers which are arranged between the ceramic layers. In this case, an external electrode is provided which is connected to some of the electrode layers. The external electrode has a plurality of longitudinal wires, which run in the longitudinal direction of the actuator body, and a plurality of weft wires, wherein a weft wire is passed through the longitudinal wires in such a way that some of the longitudinal wires run above the weft wire and other longitudinal wires run beneath the weft wire.

摘要翻译： 一种用于燃料喷射阀的压电致动器具有具有多个陶瓷层的致动器主体和布置在陶瓷层之间的多个电极层。 在这种情况下，提供连接到一些电极层的外部电极。 外部电极具有沿致动器主体的纵向方向延伸的多根纵向导线和多根纬线，其中纬线穿过纵向导线，使得一些纵向导线在上方延伸 纬线和其他纵向导线在纬线下方运行。

公开(公告)号：US20090266921A1

公开(公告)日：2009-10-29

申请号：US11721982

申请日：2005-11-24

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M51/00

CPC分类号： F02M51/0603 ,  F02M63/004 ,  F02M63/0061 ,  F02M2200/46 ,  F02M2200/703

摘要： A fuel injector having an injector body and a fuel inlet communicates with a high-pressure fuel source outside the injector body and including an actuator received in a hollow chamber from which a high-pressure inlet extends to an injection valve member. Depending on the pressure in the first hydraulic chamber, fuel is injected into a combustion chamber of an internal combustion engine when the injection valve member lifts from a seat. The actuator acts directly upon a stepped piston which defines the first hydraulic chamber and actuates a control piston. The injection valve member is guided in the control piston.

摘要翻译： 具有喷射器主体和燃料入口的燃料喷射器与喷射器主体外部的高压燃料源连通，并且包括容纳在中空室中的致动器，高压入口从该腔体向喷射阀构件延伸。 取决于第一液压室中的压力，当喷射阀构件从座椅升起时，将燃料喷射到内燃机的燃烧室中。 致动器直接作用在限定第一液压室并启动控制活塞的阶梯式活塞上。 喷射阀构件在控制活塞中被引导。

公开(公告)号：US07455244B2

公开(公告)日：2008-11-25

申请号：US10586869

申请日：2004-12-02

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： B05B1/08

CPC分类号： F02M51/0603 ,  F02M2200/703 ,  F02M2200/704

摘要： A fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, the injector having body and a nozzle holder in which an injection valve member is movably received, which injection valve member has a seat that opens or closes injection openings, and the injection valve member is actuatable via a piezoelectric actuator. The piezoelectric actuator actuates a first booster piston, in which a second booster piston, connected to the injection valve member is guided.

摘要翻译： 一种燃料喷射器，用于将燃料喷射到内燃机的燃烧室中，所述喷射器具有主体和喷嘴保持器，喷射阀构件可移动地被容纳在该喷嘴保持器中，该喷射阀构件具有打开或关闭喷射开口的座， 喷射阀构件可通过压电致动器致动。 压电致动器致动第一增压活塞，其中连接到喷射阀构件的第二增压活塞被引导。

公开(公告)号：US07418949B2

公开(公告)日：2008-09-02

申请号：US11630282

申请日：2005-05-11

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M37/04 ,  F02M37/08

CPC分类号： F02M51/0603 ,  F02M2200/703

摘要： A common rail injector having an injector housing with a fuel inlet connected to a central high-pressure fuel source outside the injector housing and to a pressure chamber inside the injector housing from which pressure chamber depending on the pressure in a control chamber fuel is injected when a nozzle needle lifts away from its seat and in which the pressure in the control chamber is controlled in a direct, inverse fashion by an actuator in particular a piezoelectric actuator. The combustion chamber end of the actuator or an actuator head provided on the actuator is guided in actuator guide section of a coupler sleeve, which has a larger inner diameter than a nozzle needle guide section of the coupler sleeve in which the end of the nozzle needle oriented away from the combustion chamber is guided.

摘要翻译： 一种共轨喷射器，其具有喷射器壳体，其具有连接到喷射器壳体外部的中央高压燃料源的燃料入口和喷射器壳体内部的压力室，压力室根据控制室燃料中的压力被注入， 喷嘴针从其座部上升起，并且控制室中的压力通过致动器，特别是压电致动器以直接的，相反的方式被控制。 致动器的燃烧室端部或设置在致动器上的致动器头部在联接器套筒的致动器引导部分中被引导，该联接器套筒具有比联接器套筒的喷嘴针引导部分更大的内径，其中喷嘴针 导向远离燃烧室。

公开(公告)号：US07364099B2

公开(公告)日：2008-04-29

申请号：US10527585

申请日：2003-07-23

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M61/00 ,  F02M47/02

CPC分类号： F02M61/1873 ,  F02M45/086 ,  F02M2200/46

摘要： A fuel injection device for an internal combustion engine includes a housing and at least one valve element which cooperates with a valve seat on an injection end of the housing. A plurality of fuel outlet conduits in the housing are associated with the valve element. In the region of the beginning of the fuel outlet conduits a flow chamber is present which is formed by at least one annular groove that is concentric with the longitudinal axis of the valve element.

摘要翻译： 一种用于内燃机的燃料喷射装置，包括壳体和与壳体的注射端上的阀座配合的至少一个阀元件。 壳体中的多个燃料出口导管与阀元件相关联。 在燃料出口导管开始的区域中，存在流动室，该流动室由与阀元件的纵向轴线同心的至少一个环形槽形成。

公开(公告)号：US20080093483A1

公开(公告)日：2008-04-24

申请号：US11632973

申请日：2005-05-13

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M51/06

CPC分类号： F02M51/0603 ,  F02M61/167 ,  F02M2200/703 ,  F02M2200/708

摘要： A fuel injector having an injection valve member for injecting fuel into the combustion chamber of an autoignition internal combustion engine. The injection valve member is directly controllable by means of an actuator that directly actuates a pressure booster, which is able to influence the pressure in a control chamber that acts on the injection valve member. The pressure booster has a first booster piston and a second booster piston coupled to each other by means of a driver that is able to move between a first stop side and a second stop side inside a recess.

摘要翻译： 一种燃料喷射器，其具有用于将燃料喷射到自燃式内燃机的燃烧室中的喷射阀构件。 喷射阀构件可以通过致动器直接控制，致动器直接致动增压器，该压力增压器能够影响作用在喷射阀构件上的控制室中的压力。 增压器具有通过能够在凹部内部的第一止动侧和第二止动侧之间移动的驱动器彼此联接的第一增压器活塞和第二增压器活塞。

公开(公告)号：US20080093482A1

公开(公告)日：2008-04-24

申请号：US11632971

申请日：2005-05-13

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M51/06

CPC分类号： F02M47/00 ,  F02M45/04 ,  F02M45/12 ,  F02M51/0603 ,  F02M2200/304 ,  F02M2200/704

摘要： A fuel injector for an internal combustion engine has a nozzle needle that opens or closes at least one injection opening. At an end oriented away from the at least one injection opening, the nozzle needle has a step-shaped widening, which forms an end surface oriented toward the at least one injection opening. The end surface, an end surface of a first booster, and an end surface of a second booster delimit one side of a control chamber; an actuator moves the first booster and the second booster into or out of the control chamber.

摘要翻译： 用于内燃机的燃料喷射器具有打开或关闭至少一个喷射开口的喷嘴针。 在远离所述至少一个注射开口的端部处，所述喷嘴针头具有阶梯形加宽件，其形成朝向所述至少一个注射开口的端面。 端面，第一助力器的端面和第二助力器的端面限定控制室的一侧; 致动器将第一升压器和第二升压器移入或移出控制室。

公开(公告)号：US20080029067A1

公开(公告)日：2008-02-07

申请号：US11630282

申请日：2005-05-11

申请人： Friedrich Boecking

发明人： Friedrich Boecking

IPC分类号： F02M69/46

CPC分类号： F02M51/0603 ,  F02M2200/703

摘要： A common rail injector having an injector housing with a fuel inlet connected to a central high-pressure fuel source outside the injector housing and to a pressure chamber inside the injector housing from which pressure chamber depending on the pressure in a control chamber fuel is injected when a nozzle needle lifts away from its seat and in which the pressure in the control chamber is controlled in a direct, inverse fashion by an actuator in particular a piezoelectric actuator. The combustion chamber end of the actuator or an actuator head provided on the actuator is guided in actuator guide section of a coupler sleeve, which has a larger inner diameter than a nozzle needle guide section of the coupler sleeve in which the end of the nozzle needle oriented away from the combustion chamber is guided.

摘要翻译： 一种共轨喷射器，其具有喷射器壳体，其具有连接到喷射器壳体外部的中央高压燃料源的燃料入口和喷射器壳体内部的压力室，压力室根据控制室燃料中的压力被注入， 喷嘴针从其座部上升起，并且控制室中的压力通过致动器，特别是压电致动器以直接的，相反的方式被控制。 致动器的燃烧室端部或设置在致动器上的致动器头部在联接器套筒的致动器引导部分中被引导，该联接器套筒具有比联接器套筒的喷嘴针引导部分更大的内径，其中喷嘴针 导向远离燃烧室。