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1. 发明授权

US5810255A Clamping device for a piesoelectric actuator of a fuel injection valve for internal combustion engines 失效
标题翻译：用于内燃机燃油喷射阀的微型致动器的夹紧装置
公开(公告)号：US5810255A
公开(公告)日：1998-09-22
申请号：US701623
申请日：1996-08-22
申请人： Katsuoki Itoh , Rudolf Heinz , Winfried Moser
发明人： Katsuoki Itoh , Rudolf Heinz , Winfried Moser
IPC分类号： B05B15/00 , F02D41/32 , F02M51/06 , F02M61/08 , F02M61/16 , F02M61/18 , F02M63/00 , H02N2/02 , B05B1/08
CPC分类号： F02M61/18 , F02M51/0603 , F02M61/08 , F02M61/161
摘要： A fuel injection for internal combustion engines, having a valve member which is guided so that it moves axially in a valve body and uses a sealing face provided on a combustion chamber end to open and close an injection opening on the valve body. A piezoelectric actuator includes a piezoelectric stack, which changes in length with the action of a control voltage, is coupled to the combustion chamber end of the valve member to actuate the valve member. In order to prevent an interference with a precise adjustment motion of the valve member of an unwanted length change in the piezoelectric stack, a clamping device is provided which fixes the end of the piezoelectric stack remote from the valve member in its axial position during the injection phase of the fuel injection valve, and permits an axial compensation for play at the piezoelectric stack during an injection pause.
摘要翻译：一种用于内燃机的燃料喷射器，具有阀构件，该阀构件被引导为使其在阀体中轴向移动并且使用设置在燃烧室端部上的密封面来打开和关闭阀体上的喷射开口。压电致动器包括压电堆叠，其随着控制电压的作用而改变长度，耦合到阀构件的燃烧室端部以致动阀构件。为了防止压电堆叠中不期望的长度变化的阀构件的精确调节运动的干扰，提供了一种夹紧装置，其在注射期间将远离阀构件的压电堆叠的端部固定在其轴向位置燃料喷射阀的相位，并且允许在喷射暂停期间在压电堆叠处进行轴向补偿。

2. 发明授权

US4662338A Fuel injection nozzle 失效
标题翻译：燃油喷嘴
公开(公告)号：US4662338A
公开(公告)日：1987-05-05
申请号：US347815
申请日：1982-02-11
申请人： Katsuoki Itoh , Iwan Komaroff
发明人： Katsuoki Itoh , Iwan Komaroff
IPC分类号： F02M61/16 , F02M45/08 , F02M61/08 , F02M61/10 , F02M61/20 , F02M63/04
CPC分类号： F02M45/083 , F02M61/20
摘要： A fuel injection nozzle for internal combustion engines which has a valve needle loaded in the closing direction and is radially guided and supported in an axially displaceable manner within a nozzle body. The movement of the valve needle is effected in the opening and closing directions in a selectively variable manner, a spring-loaded supplementary mass which performs a dual function being disposed in the nozzle interior. In the opening direction of the valve needle, the supplementary mass is displaced along with the valve needle, while in the closing direction the two elements are separated. The supplementary mass influences the movement of the valve needle both inertially, as the result of its mass, and by effecting a speed-dependent damping, as the result of the positive displacement of a fluid from damping chambers, the whole being adapted to a constant or variable throttle disposed in the fuel inlet conduit.
摘要翻译：一种用于内燃机的燃料喷射喷嘴，其具有沿关闭方向装载的阀针，并且在喷嘴体内以可轴向移动的方式被径向引导和支撑。阀针的移动以选择性可变的方式在打开和关闭方向上进行，弹簧加载的辅助质量，其执行双重功能设置在喷嘴内部。在阀针的打开方向上，辅助质量与阀针一起移动，而在关闭方向上两个元件分离。补充质量由于质量的结果惯性地影响阀针的运动，并且通过实现速度相关的阻尼，作为流体从阻尼室的正位移的结果，整体适应于恒定或设置在燃料入口导管中的可变节流阀。

3. 发明授权

US06758409B1 Fuel injection nozzle 失效
标题翻译：燃油喷嘴
公开(公告)号：US06758409B1
公开(公告)日：2004-07-06
申请号：US09869907
申请日：2001-12-17
申请人： Katsuoki Itoh
发明人： Katsuoki Itoh
IPC分类号： B05B108
CPC分类号： F02M51/0603 , F02M61/167
摘要： In a fuel injection nozzle having a nozzle body, a nozzle needle that is displaceable in the nozzle body, a piezoelectric actuator that is connected to the nozzle needle, and a compensation piston on which the piezoelectric actuator is braced and which protrudes into a compensation chamber that is filled with a fluid, where the compensation chamber communicates with a supply volume through an inlet of small cross section, a simpler design is to be attained. To that end, it is provided that the supply volume is subjected to variable pressure making it possible to dispense with a separate restoring spring for the nozzle needle.
摘要翻译：在具有喷嘴体的燃料喷嘴中，能够在喷嘴体内移动的喷嘴针，与喷嘴针连接的压电致动器和补偿活塞，压电致动器在该补偿活塞上被支撑并突出到补偿室填充有流体，其中补偿室通过小横截面的入口与供给体连通，将实现更简单的设计。为此，提供了供应体积受到可变压力，使得可以省略用于喷嘴针的单独的复原弹簧。

4. 发明授权

US5758829A Fuel injection valve for internal combustion engines 失效
标题翻译：内燃机燃油喷射阀
公开(公告)号：US5758829A
公开(公告)日：1998-06-02
申请号：US555623
申请日：1995-11-09
申请人： Katsuoki Itoh , Christoph Treutler , Guenter Lewentz , Bernd Dittus , Gilbert Moersch , Christoph Franke , Reiner Schuetz , Hans-Friedemann Kober
发明人： Katsuoki Itoh , Christoph Treutler , Guenter Lewentz , Bernd Dittus , Gilbert Moersch , Christoph Franke , Reiner Schuetz , Hans-Friedemann Kober
IPC分类号： F02M61/04 , F02M61/08 , F02M61/18 , F02M59/00
CPC分类号： F02M61/18 , F02M61/045 , F02M61/08 , Y10T137/86517
摘要： A fuel injection valve for internal combustion engines with a valve member which is displaced in a bore in a valve body by the fuel pressure, counter to the action of a closing spring. The valve body has at a combustion-space end, a valve head which on a side which faces the valve body is arranged a sealing surface which interacts with a valve seat provided on the combustion-space end of the valve body, forming a sealing cross section, and including injection apertures which permit a flow of fuel from a pressure space in the valve body to the combustion space of the internal combustion engines and has an aperture cross section which can be varied as a function of the stroke of the valve member. According to the invention, those parts which seal off the injection valve from the outside and those parts which form the aperture cross section of the injection openings are geometrically separated from one another, the sealing cross section which closes the valve off from the outside being arranged downstream, as seen in the injection direction, of the variable aperture cross section, which is situated radially to the inside.
摘要翻译：一种用于内燃机的燃料喷射阀，其具有阀构件，该阀构件与闭合弹簧的作用相反，通过燃料压力在阀体的孔中移位。阀体具有燃烧空间端，在与阀体相对的一侧上设置有与设置在阀体的燃烧空间端上的阀座相互作用的密封表面的阀头，形成密封十字并且包括允许燃料从阀体中的压力空间流到内燃机的燃烧空间的喷射孔，并且具有可以作为阀构件的行程的函数而变化的孔径横截面。根据本发明，将喷射阀从外部密封的那些部件和形成喷射孔的孔径横截面的那些部件在几何上彼此分离，从外部关闭阀的密封截面被布置在径向到内侧的可变孔径横截面的下游，如在喷射方向上所看到的那样。

5. 发明授权

US5697554A Metering valve for metering a fluid 失效
标题翻译：用于计量流体的计量阀
公开(公告)号：US5697554A
公开(公告)日：1997-12-16
申请号：US581959
申请日：1996-01-02
申请人： Gerhard Auwaerter , Katsuoki Itoh , Rudolf Heinz , Winfried Moser , Christoph Franke
发明人： Gerhard Auwaerter , Katsuoki Itoh , Rudolf Heinz , Winfried Moser , Christoph Franke
IPC分类号： F16K31/02 , F02M21/02 , F02M51/06 , F02M61/08 , F02M61/16 , F02M63/00 , H01L41/09
CPC分类号： F02M61/167 , F02M21/0254 , F02M21/0263 , F02M21/0269 , F02M51/0603 , F02M61/08 , F02M61/163 , F02M2200/704 , F02M2200/705 , Y02T10/32
摘要： A metering valve for metering a fluid for a fuel injection valve for internal combustion engines, with a hydraulic displacement amplifier for converting the actuating displacement of a piezoelectric actuator into an increased stroke of the valve needle. Integrating the displacement amplifier spatially into the valve housing in an "O valve" to give a small overall volume is served by providing the lifting piston of the displacement amplifier with an end section of reduced diameter which projects into a recess in the operation piston of the displacement amplifier. A Belleville spring lying in the amplifier chamber bounded by the pistons presses the operating piston against the actuator, and a helical compression spring arranged in the recess concentrically to the end section presses the lifting piston against the valve needle.
摘要翻译：一种用于计量用于内燃机的燃料喷射阀的流体的计量阀，具有用于将压电致动器的致动位移转换为阀针的增加行程的液压位移放大器。通过使位移放大器的提升活塞具有减小的直径的端部部分，该端部突出到操作活塞中的凹部中，将位移放大器空间上集成到阀壳体中以产生小的总体积位移放大器。位于由活塞限定的放大器室中的Belleville弹簧将操作活塞压靠在致动器上，并且布置在与凹部同心的凹部中的螺旋压缩弹簧将提升活塞压靠在阀针上。

6. 发明授权

US4473189A Fuel injection valve, particularly for diesel engines 失效
标题翻译：燃油喷射阀，特别适用于柴油发动机
公开(公告)号：US4473189A
公开(公告)日：1984-09-25
申请号：US416591
申请日：1982-09-09
申请人： Katsuoki Itoh , Iwan Komaroff
发明人： Katsuoki Itoh , Iwan Komaroff
IPC分类号： F02M61/10 , F02B3/06 , F02M61/08 , F02M61/20 , B05B1/32
CPC分类号： F02M61/205 , F02M61/08 , F02M61/20 , F02B3/06
摘要： To provide a valve stroke or displacement characteristic with respect to closing force which is at first rapidly dropping and then, after a minimum closing force is reached again increasing, so that, as the valve needle reaches its final stroke, a hard impact is avoided and rapid closure of the valve, upon drop of injection pressure, will result, a magnet circuit (88) is established in the valve housing by a magnetic element (50) and an armature (66), one of the elements being seated in the housing and the other being coupled to the valve needle (18) to provide a closure force-versus-displacement characteristics which at first drops sharply and then flattens. Further magnetic elements formed by two magnets (70, 80), with like poles facing each other are provided, to furnish the closing force-versus-displacement characteristics which increases with increasing displacement, the composite of the two forces acting on the valve being in the form of a hanging curve (FIG. 2: 98) having a minimum (F.sub.6) approximately midway along the length of the stoke of the valve needle (18).
摘要翻译：为了提供相对于首先快速下降的闭合力的阀行程或位移特性，然后在最小闭合力再次增加之后，使得当阀针达到其最后行程时，避免了硬冲击，并且将导致阀的快速关闭，在喷射压力下降时，通过磁性元件（50）和电枢（66）在阀壳体中建立磁体回路（88），其中一个元件就座在壳体另一个联接到阀针（18）以提供闭合力 - 位移特性，其首先急剧下降然后变平。提供由具有相同磁极彼此面对的两个磁体（70,80）形成的另外的磁性元件，以提供随着位移增加而增加的闭合力 - 位移特性，作用在阀上的两个力的复合物处于具有最小（F6）的悬挂曲线的形式（图2：98）沿着阀针（18）的行程的长度大致中途。

7. 发明授权

US6135091A Fuel injection system 失效
标题翻译：燃油喷射系统
公开(公告)号：US6135091A
公开(公告)日：2000-10-24
申请号：US109546
申请日：1998-07-02
申请人： Katsuoki Itoh , Friedrich Boecking
发明人： Katsuoki Itoh , Friedrich Boecking
IPC分类号： F02M47/02 , F02D41/38 , F02M47/00 , F02M55/00 , F02M55/02 , F02M37/04
CPC分类号： F02M55/025 , F02M55/005 , F02D41/3809
摘要： A fuel injection system in which a high pressure fuel reservoir is provided for supplying fuel injection valves. The valves are electrically controlled and are supplied in a correspondingly controlled fashion with fuel for injection from the high pressure fuel reservoir. The fuel injection valves are connected directly with their housings to the high pressure fuel reservoir in order to avoid the interposition of fuel lines.
摘要翻译：一种燃料喷射系统，其中设置有用于供应燃料喷射阀的高压燃料储存器。这些阀是电控制的，并且以相应地控制的方式供给来自高压燃料储存器的注入燃料。燃料喷射阀直接与其壳体连接到高压燃料储存器，以避免插入燃料管路。

8. 发明授权

US4516729A Fuel injection nozzle for internal combustion engines 失效
标题翻译：内燃机燃油喷嘴
公开(公告)号：US4516729A
公开(公告)日：1985-05-14
申请号：US421195
申请日：1982-09-22
申请人： Paul Fussner , Karl Hofmann , Iwan Komaroff , Katsuoki Itoh , Kurt Seifert , Dietrich Trachte , Wilhelm Vogel , Hans-Jorg Vogtmann
发明人： Paul Fussner , Karl Hofmann , Iwan Komaroff , Katsuoki Itoh , Kurt Seifert , Dietrich Trachte , Wilhelm Vogel , Hans-Jorg Vogtmann
IPC分类号： F02M45/08 , F02M45/12 , F02M61/08 , F02M61/10 , F02M61/16 , B05B1/32
CPC分类号： F02M45/12 , F02M45/08 , F02M61/08
摘要： A fuel injection nozzle for internal combustion engines having a valve needle which enters an intermediate position in a retarded fashion and subsequently reaches its final position quickly. The valve needle is coupled in a positively-engaged manner with a supplementary body which as a result of its mass and/or hydraulically damps the movement of the valve needle over the course of a first stroke portion. At the end of this stroke portion, the supplementary body strikes a shoulder attached to the housing, whereupon the valve needle after the attainment of a notably higher fuel pressure, is separated from the supplementary body and translated quickly into its open position. In special cases, it is also possible for two supplementary bodies to be provided, which are uncoupled one after another from the valve needle and then again recoupled to the valve upon the closure of the valve. With an apparatus of this kind, the injection procedure can be adapted more freely than in the case of the known injection nozzles to a desired course.
摘要翻译：一种用于内燃机的燃料喷射喷嘴，其具有以更迟的方式进入中间位置并随后快速到达其最终位置的阀针。阀针以正向接合的方式与辅助体联接，辅助体由于其质量和/或液压地阻止阀针在第一冲程部分的运动过程中的运动。在该行程部分的末端，补充体撞击附接到壳体的肩部，由此获得显着较高的燃料压力之后的阀针与补充体分离并迅速转换到其打开位置。在特殊情况下，也可以提供两个辅助体，这两个辅助体从阀针一个接一个地分离，然后在阀闭合时再次重新连接到阀上。使用这种装置，与已知的喷嘴的情况相比，注射程序可以更自由地适应于期望的过程。

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