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    • 4. 发明申请
    • ELECTROHYDRAULIC ACTUATOR
    • 电动液压执行器
    • WO2011060855A3
    • 2011-07-14
    • PCT/EP2010006325
    • 2010-10-15
    • BOSCH GMBH ROBERTENGELBERG RALPHLERNBECHER ROLFWALTER RAINERGAESSLER HERMANNFRENZ STEFANMISCHKER KARSTENMADER BERNHARDREIMER STEFANDIEHL UDO
    • ENGELBERG RALPHLERNBECHER ROLFWALTER RAINERGAESSLER HERMANNFRENZ STEFANMISCHKER KARSTENMADER BERNHARDREIMER STEFANDIEHL UDO
    • F01L9/02
    • F01L9/02
    • An electrohydraulic actuator is provided, which comprises a working cylinder (22), having a piston (23) comprising a first and second piston surface (231, 232) displaceable in said working cylinder and two working chambers (24, 25) designed in the working cylinder (22) and bounded by the piston (23), as well as electric control valves. Of the two working chambers (24, 25), a first working chamber (24) that is permanently subject to high pressure is bounded by the first piston surface (231) and a second working chamber (25) is bounded by the larger second piston surface (232). The control valves alternately establish a connection of the second working chamber (25) to high pressure and low pressure. In order to achieve comprehensive options for controlling the piston (23) over the stroke path thereof, at least one of the connections of the second working chamber (25) to high and low pressure is established with a plurality of control valves, wherein both a plurality of high pressure control valves (30, 31) can establish the connection to high pressure and a plurality of low pressure control valves (32, 33) can establish the connection to low pressure.
    • 本发明提供一种电动液压致动器,其中具有从KoIben(23)形成的第一和第二活塞表面具有在工作缸中的活塞(23)和两个(231,232)(22)可移动的工作缸(22)的(有限的工作空间 具有24,25)和电动控制阀。 两个工作腔(24,25)的是一个永久躺在首先在高压下从第一活塞表面(231),并从较大的第二活塞表面(232)的第二工作腔(25)工作腔(24)是有限的。 控制阀交替地提供连接所述第二工作腔(25)到高压和低压。 为了获得所述活塞(23)在其行程的更广泛的控制能力是高,低压制成具有多个控制阀的第二工作腔(25)的化合物中的至少一种,其中每个多个高压控制阀(30,31)中的连接到所述高压的和 多个低压力控制阀(32,33)的可以连接到低压。
    • 10. 发明申请
    • ADAPTATION DEVICE FOR A SENSOR WHEEL ON AN INTERNAL COMBUSTION ENGINE
    • 适配装置用于传感器轮在内燃机
    • WO1995023974A1
    • 1995-09-08
    • PCT/DE1995000201
    • 1995-02-16
    • ROBERT BOSCH GMBHAUDI AGMEZGER, ManfredKLENK, MartinBÖHMLER, HeinzMISCHKER, KarstenRIES-MÜLLER, KlausWIMMER, Wolfgang
    • ROBERT BOSCH GMBHAUDI AG
    • G01P21/02
    • G01P3/481G01P21/02
    • A sensor wheel (10) is used, for example, to detect variations in the speed of an internal combustion engine with a high degree of accuracy so that an erratic running value can be calculated from these variations. Such a sensor wheel comprises three segments, for example, which ideally are of equal length but in reality are usually of slightly different lengths. In order to avoid measuring errors owing to these differing lengths when detecting variations in the speed, the actual lengths can be determined by a known adaptation process. The device of the invention is constructed such that it has a plurality of adaptation filters (17.B1 to 17.B4) for each segment in order to detect different adaptation values for different speed ranges since it has emerged that different lengths are measured in different speed ranges, which is an error which has to be compensated for, since the length of a segment is actually permanently constant.
    • 传感器轮(10),例如 用于检测具有高精度的内燃发动机的旋转速度的变化,以计算它们的运行值。 这样的传感器轮具有,例如, 3段,它理想地是相等的长度,但在现实中通常具有稍微不同的长度。 从而防止在检测的速度变化的测量误差,已知由一个适配过程,以确定实际的长度。 本发明的装置是这样构成的,它具有为每个段在多个过滤器适配(17.B1到17.B4)以检测不同的速度范围各种适应值。 它实际上已经发现,不同的长度在不同的速度范围测量,这是一个必须被补偿的误差时,由于段的长度是肯定的确永久恒定。