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    Temperature-sensitive variation of the compression ratio in pistons having variable compression height
    1.
    发明授权
    Temperature-sensitive variation of the compression ratio in pistons having variable compression height 失效
    具有可变压缩高度的活塞中的压缩比的温度敏感变化

    公开(公告)号：US4979427A

    公开(公告)日：1990-12-25

    申请号：US317912

    申请日：1989-03-03

    申请人： Viktor Pfeffer ,  Friedrich Wirbeleit ,  Klaus Binder

    发明人： Viktor Pfeffer ,  Friedrich Wirbeleit ,  Klaus Binder

    IPC分类号： F02F3/00 ,  F02B75/04 ,  F02D15/02

    CPC分类号： F02B75/044 ,  F05C2251/042

    摘要： The invention relates to a piston having a variable compression height and two control chambers connected to each other through a hydraulic system. In order to achieve better cold-start and warm-up behavior, an oil discharge bore from the upper control chamber into the crankcase is closed by a control slide valve in the cold operating state of the engine. The blockage of the oil discharge produces a great compression height and therefore high compression. The control slide valve is connected to an expansible element which maintains it in this closed position when the engine is cold. As the engine warms up, the expansible element, due to its thermal expansion, pushes the control slide valve out of its closed position, so that the discharge of oil can occur progressively more unthrottled with rising temperature. In the warm operating state of the engine the control slide valve clears the oil discharge duct completely, and an unobstructed discharge of oil is ensured.

    摘要翻译： 本发明涉及具有可变压缩高度的活塞和通过液压系统彼此连接的两个控制室。 为了实现更好的冷启动和预热行为，在上部控制室进入曲轴箱的排油孔在发动机的冷运行状态下由控制滑阀关闭。 排油堵塞产生很大的压缩高度，因此产生高压缩。 控制滑阀连接到可膨胀元件，当发动机冷时，其保持在该关闭位置。 随着发动机的升温，膨胀元件由于其热膨胀，将控制滑阀推出其关闭位置，从而随着温度的升高，油的排放会逐渐变得不节流。 在发动机的暖运行状态下，控制滑阀完全清除排油管，保证排油畅通无阻。

    Variable compression height piston arrangement
    2.
    发明授权
    Variable compression height piston arrangement 失效
    可变压缩高度活塞装置

    公开(公告)号：US4785790A

    公开(公告)日：1988-11-22

    申请号：US118052

    申请日：1987-11-09

    申请人： Viktor Pfeffer ,  Friedrich Wirbeleit

    发明人： Viktor Pfeffer ,  Friedrich Wirbeleit

    IPC分类号： F02B75/04 ,  F02D15/02

    CPC分类号： F02D15/02 ,  F02B75/044

    摘要： An arrangement for the control of the oil feed into a control chamber of a piston with variable compression height for internal-combustion engines comprises a control valve in the longitudinal bore of a connecting rod that is provided with a flow-through bore for the oil supply of the control chamber in the operation of the internal-combustion engine. This flow-through bore is closed as a function of the inertial forces acting in the oil feed. In order to avoid a ceasing of the oil column in the longitudinal bore, the control valve has an additional control bore that is opened only in the starting phase and via which an additional amount of oil is guided from the lubricating oil circuit of the internal-combustion engine into the control chamber, which accelerates the upward control of the piston.

    摘要翻译： 用于控制进入用于内燃机的具有可变压缩高度的活塞的控制室的供油装置的装置包括在连杆的纵向孔中的控制阀，该控制阀设置有用于供油的流通孔 在内燃机运行中的控制室。 该流通孔根据作用于进油中的惯性力而关闭。 为了避免油柱在纵向孔中的停止，控制阀具有仅在起动阶段打开的另外的控制孔，并且通过该控制孔从附加的内部润滑油的润滑油回路引导附加量的油， 内燃机进入控制室，这加速了活塞的向上控制。

    Arrangement for controlling the oil feed to a control chamber of a piston with variable compression height
    4.
    发明授权
    Arrangement for controlling the oil feed to a control chamber of a piston with variable compression height 失效
    用于控制向可变压缩高度的活塞的控制室供油的装置

    公开(公告)号：US4784093A

    公开(公告)日：1988-11-15

    申请号：US118047

    申请日：1987-11-09

    申请人： Viktor Pfeffer ,  Friedrich Wirbeleit

    发明人： Viktor Pfeffer ,  Friedrich Wirbeleit

    IPC分类号： F02B77/00 ,  F01M1/06 ,  F02B75/04 ,  F02D15/02 ,  F02F3/00 ,  F02F3/22

    CPC分类号： F02B75/044

    摘要： The invention relates to a piston with variable compression height, particularly for internal-combustion engines, that consists of an interior piston part to which a connecting rod is coupled, and an exterior piston part that is slidably held at said interior piston part. In this case, the exterior piston, via two control chambers that are supplied with oil from the lubricating oil circuit, supports itself by adherence at the interior piston part, said control chambers being connected by a hydraulic system. In order to, in the process, keep the pressure in the oil feed to one control chamber approximately constant over the whole rotational speed range of the internal-combustion engine, the control chamber is connected to the lubricating oil circuit by means of a non-rotating control oil groove in the connecting rod bearing only in an indicated crank angle range, and/or the oil-carrying grooves and bores in the piston and in the connecting rod are coordinated with one another with respect to their cross-sections.

    摘要翻译： 本发明涉及具有可变压缩高度的活塞，特别是用于内燃机的活塞，其包括连接有连杆的内部活塞部分和可滑动地保持在所述内部活塞部分的外部活塞部件。 在这种情况下，经由从润滑油回路供给油的两个控制室的外部活塞通过在内部活塞部分的粘附而自身支撑，所述控制室通过液压系统连接。 为了在该过程中，在内燃机的整个转速范围内将进油中的压力保持在一个控制室大致恒定的情况下，控制室通过非燃烧状态连接到润滑油回路， 旋转控制油槽在连杆轴承中仅在指定的曲柄角范围内，和/或活塞和连杆中的输油槽和孔相对于它们的横截面彼此配合。

    Fuel injection system for an internal combustion engine
    6.
    发明授权
    Fuel injection system for an internal combustion engine 失效
    内燃机燃油喷射系统

    公开(公告)号：US5601067A

    公开(公告)日：1997-02-11

    申请号：US495185

    申请日：1995-06-27

    申请人： Friedrich Wirbeleit ,  Wolfgang Lehner ,  Alois Raab

    发明人： Friedrich Wirbeleit ,  Wolfgang Lehner ,  Alois Raab

    IPC分类号： F02M43/00 ,  F02M43/04 ,  F02M57/02 ,  F02B13/00 ,  F02B3/00

    CPC分类号： F02M43/00 ,  F02M43/04 ,  F02M57/02 ,  F02M57/025

    摘要： In a fuel injection system for injecting fuel into a combustion chamber of an internal combustion engine by means of a dual fluid injector which includes a nozzle with a nozzle needle normally closing the nozzle and which has formed around the nozzle needle an annular space which is in communication with a fluid source and a pressure chamber in communication with the annular space and the working space of a plunger disposed in the injector so as to be movable between upper and lower end positions but being biased to its upper end position, the plunger working space is in communication with a fuel source via a fuel supply line which includes a control valve and an electromagnetically controlled valve is provided for controlling the admission of a hydraulic operating fluid to the plunger for moving the plunger into the working space for the ejection of the fuel and the fluid from the pressure chamber and the annular space around the nozzle and the fuel supply line includes an electronically controllable valve adapted to close the fuel supply line for a controllable period of time while the plunger is returned to its upper end position to thereby create a vacuum in the working space for drawing an amount of the fluid into the annular space around the nozzle which depends on the time for which the fuel supply line is closed by the control valve.

    摘要翻译： 在用于通过双流体注射器将燃料喷射到内燃机的燃烧室中的燃料喷射系统中，所述双流体喷射器包括具有喷嘴针的喷嘴，所述喷嘴针通常关闭喷嘴并且在喷嘴针周围形成环形空间 与流体源和压力室连通，其与环形空间和设置在喷射器中的柱塞的工作空间连通，以便能够在上端位置和下端位置之间移动，但是被偏压到其上端位置，柱塞工作空间 通过包括控制阀的燃料供应管线与燃料源连通，并且设置有电磁控制阀，用于控制液压工作流体进入柱塞以将柱塞移动到用于喷射燃料的工作空间 并且来自压力室的流体和围绕喷嘴和燃料供应管线的环形空间包括电子 适用于在柱塞返回到其上端位置期间将燃料供应管线关闭可控制的时间段，从而在工作空间中产生真空，用于将一定量的流体吸入喷嘴周围的环形空间 取决于燃料供应管路由控制阀关闭的时间。

    Internal combustion engine with an exhaust gas turbocharger, and associated method
    10.
    发明授权
    Internal combustion engine with an exhaust gas turbocharger, and associated method 有权
    具有废气涡轮增压器的内燃机及相关方法

    公开(公告)号：US06378307B1

    公开(公告)日：2002-04-30

    申请号：US09714659

    申请日：2000-11-17

    申请人： Peter Fledersbacher ,  Siegfried Sumser ,  Juergen Willand ,  Friedrich Wirbeleit

    发明人： Peter Fledersbacher ,  Siegfried Sumser ,  Juergen Willand ,  Friedrich Wirbeleit

    IPC分类号： F02B3344

    CPC分类号： F02B37/10 ,  F02B29/0406 ,  F02B37/12 ,  F02B37/14 ,  F02B37/225 ,  F02B37/24 ,  F02M26/05 ,  F02M26/08 ,  F02M26/10 ,  F02M26/28 ,  Y02T10/144

    摘要： An internal combustion engine has an exhaust gas turbocharger with an exhaust gas turbine and a compressor. In addition, an air-driven turbine is provided which is torsionally connected to the compressor and to which combustion air can be supplied via an adjustable shut-off element. For operation of the exhaust gas turbocharger over a wide operating spectrum, an additional duct is provided between compressor inlet and the air inlet of the air turbine, the air supply in the additional duct being adjustable by the shut-off element. In the lower load range, in the case where the required boost pressure falls below a threshold value, the additional duct is opened by means of the shut-off element and the air supply to the compressor inlet is reduced.

    摘要翻译： 内燃机具有排气涡轮增压器和排气涡轮机以及压缩机。 此外，设置有一个空气驱动的涡轮机，其被扭转地连接到压缩机，并且可以通过可调节的关闭元件向其供给燃烧空气。 为了在宽的操作频谱上操作废气涡轮增压器，在压缩机入口和空气涡轮机的空气入口之间设置另外的管道，附加管道中的空气供应由切断元件调节。 在较低的负载范围内，在所需的增压压力低于阈值的情况下，通过切断元件打开附加的管道，减少对压缩机入口的空气供给。