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    • 3. 发明申请
    • EXHAUST-GAS RECIRCULATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE
    • 用于内燃机的排气再循环装置
    • US20090020105A1
    • 2009-01-22
    • US12175305
    • 2008-07-17
    • Andreas KosterHeinrich DISMONMartin NOWAKPeter Haushalter
    • Andreas KosterHeinrich DISMONMartin NOWAKPeter Haushalter
    • F02M25/07
    • F02M26/40F02M26/05F02M26/44F02M26/52F02M26/70F02M26/71F02M2026/005
    • Proposed is an exhaust-gas recirculation device comprising a distributor element (14) being driven corresponding to the rotational speed of the camshaft (11) of an internal combustion engine (1), wherein, via the distributor element (14), a fluidic connection can be established from an exhaust-gas inlet channel (13) to respectively one exhaust-gas outlet channel (16) of a plurality of exhaust-gas outlet channels (16) corresponding in number to the cylinders.Advantageously, apart from the distributor element (14), use can be made of a control element (22) which is movable via an actuator (47) and by which the clearing of the fluidic connection between the outlet opening (21) of the distributor element (14) and the exhaust-gas outlet channels (16) of the exhaust gas recirculation device (9) can be shifted in comparison to the phase angle of the camshaft (11).Exhaust-gas recirculation devices of the above type serve for a cylinder-selective recirculation of exhaust gas to the individual cylinders of an internal combustion engine and will operate in a cyclically precise manner. Advantageously, it is further possible to effect a phase shift of the cycle relative to the camshaft, resulting in a considerable reduction of the emissions of an internal combustion engine. An exhaust-gas recirculation device of the above design can also be of relevance for combustion control in novel combustion methods.
    • 提出了一种废气再循环装置,其包括相应于内燃机(1)的凸轮轴(11)的转速驱动的分配器元件(14),其中,经由分配器元件(14),流体连接 可以从废气入口通道(13)到多个废气排放通道(16)的一个废气排放通道(16)建立,排气口出口通道(16)数量对应于气缸。 有利地,除了分配器元件(14)之外,可以使用可经由致动器(47)移动的控制元件(22),并且通过该控制元件清除分配器的出口(21)之间的流体连接 与排气再循环装置(9)的排气出口通道(16)相比,凸轮轴(11)的相位角可以移动。 上述类型的废气再循环装置用于将气体选择性地再循环到内燃机的各个气缸,并且将以循环精确的方式运行。 有利地,还可以实现相对于凸轮轴的循环的相移,导致内燃机的排放的显着降低。 上述设计的废气再循环装置也可以与新型燃烧方法中的燃烧控制相关。
    • 4. 发明申请
    • Dental crown preparation instrument and method for producing same
    • 牙冠制备仪及其制造方法
    • US20090117517A1
    • 2009-05-07
    • US11981925
    • 2007-11-01
    • Andreas Koster
    • Andreas Koster
    • A61C3/02
    • A61C3/02
    • A dental crown preparation instrument and method for producing same includes a first body produced by grinding, the first body having a substantially cylindrical shaft and a head connected to the shaft, the first body having outer dimensions being substantially equal to the finished preparation instrument, wherein a basic toothing is at first produced in the head by grinding and a secondary toothing is produced subsequently by grinding, wherein a cutting rate of 15 to 40 m/sec is selected for the grinding process, wherein the grinding wheel is moved with a feed rate of 10 to 50 mm/min and the grinding wheels have diamond particles and have a grain size of 15 to 62 μm, and wherein the toothings have cutting edges featuring a surface roughness of not more than 2.5 μm.
    • 牙冠制备器具及其制造方法包括通过研磨产生的第一主体,第一主体具有基本圆柱形的轴和连接到轴的头部,第一主体的外部尺寸基本上等于成品准备仪器,其中 首先通过研磨在头部产生基本的齿部,随后通过研磨产生二次齿,其中选择15-40m / sec的切削速率用于研磨过程,其中砂轮以进给速率移动 10〜50mm / min,砂轮具有金刚石颗粒,粒径为15〜62μm,其中,齿的切削刃的表面粗糙度为2.5μm以下。
    • 5. 发明申请
    • Air Control Valve Apparatus For An Internal Combustion Engine
    • 用于内燃机的空气控制阀装置
    • US20080276896A1
    • 2008-11-13
    • US12092043
    • 2006-10-26
    • Andreas KosterHainrich Dismon
    • Andreas KosterHainrich Dismon
    • F02B37/16
    • F02B37/16F16K31/0693Y02T10/144
    • Air control valve apparatus (1) for internal combustion engines (2) having a turbocharger (3), wherein the air control valve apparatus (1) is arranged in a bypass channel (4) between the pressure side (5) and the suction side (6) of a boost pressure pump of the turbocharger, having a housing (7) which has an electromagnetic drive unit (8) having a coil (9), a yoke (10) and a core element (11), and a valve unit (12) which can be moved in the housing (7), wherein means (13) are provided which hold the movable valve unit (12) in the closed position in the currentless state, and wherein at least one pressure equalization opening (14) is provided on the movable valve unit (12), wherein the at least one pressure equalization opening (14) can be closed by at least one switching element (15).
    • 具有涡轮增压器(3)的内燃机(2)的空气调节阀装置(1),其中,所述空气调节阀装置(1)配置在所述压力侧(5)与所述吸入侧 (6),具有具有电磁驱动单元(8)的壳体(7),所述电磁驱动单元(8)具有线圈(9),轭(10)和芯元件(11),所述壳体 单元(12),其可以在壳体(7)中移动,其中设置有在无电流状态下将可动阀单元(12)保持在关闭位置的装置(13),并且其中至少一个压力平衡开口 )设置在可动阀单元(12)上,其中至少一个压力平衡开口(14)可以由至少一个开关元件(15)封闭。