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    • 1. 发明申请
    • A HOLDER FOR A SENSOR BODY FOR A POSITION SENSOR
    • 用于位置传感器的传感器座的支架
    • WO2006065197A1
    • 2006-06-22
    • PCT/SE2005/001802
    • 2005-12-01
    • SCANIA CV AB (publ)HAGBERG, MagnusJIEWERTZ, Sten
    • HAGBERG, MagnusJIEWERTZ, Sten
    • G01D5/20B60K17/02F16D25/12
    • G01D11/30F16D13/58F16D25/12
    • Holder (10) for a sensor body (30) for a position sensor, comprising a holder housing (14), a circular cylindrical recess (16) with a bottom (17) in the holder housing, a head (36) firmly connected to one end of the sensor body (30) and adapted, concentrically and by being to a limited extent tiltable from a normal position, to being accommodated and fastened in the cylindrical recess (16), and a compression spring (24; 26) between said head (36) and bottom (17) in order flexibly to preload the head towards the normal position. To ensure that the sensor body (30) cannot permanently change position in the recess (16) and does not risk being subject to wear against a cooperating sensor body, it is proposed inter alia that the head (36) have the shape of a central spherical segment with a diameter corresponding to the diameter of the recess (16) and that the compression spring (24; 26) be a flat wire spring.
    • 用于位置传感器的传感器主体(30)的支架(10),包括保持器壳体(14),在保持器壳体中具有底部(17)的圆柱形凹部(16),牢固地连接到 传感器主体(30)的一端并且同心地并且在有限程度上可从正常位置倾斜到被容纳并紧固在圆柱形凹部(16)中;以及压缩弹簧(24; 26),位于所述 头部(36)和底部(17),以便灵活地将头部朝向正常位置预加载。 为了确保传感器主体(30)不能永久地改变凹部(16)中的位置,并且不会受到对协作传感器主体的磨损的风险,所以特别提出的是,头部(36)具有中心 球形部分,其直径对应于凹部(16)的直径,并且压缩弹簧(24; 26)是扁平线弹簧。
    • 2. 发明申请
    • METHOD AND COMPUTER PROGRAM FOR DETERMINING POSITION OF A MOVABLE CORE IN A COIL
    • 用于确定线圈中可移动芯的位置的方法和计算机程序
    • WO2006073349A1
    • 2006-07-13
    • PCT/SE2005/002032
    • 2005-12-22
    • SCANIA CV AB (PUBL)JIEWERTZ, Sten
    • JIEWERTZ, Sten
    • G01D5/20G01B7/04
    • G01D5/2013
    • A method in a vehicle, a computer program, a computer program product and a vehicle (A) for determining position of a movable operating mechanism (1) connected to a core (2) in a coil (3), comprising the steps of: generating intervals of shorter pulses and intervals of wider pulses to repeatedly close a switch (4), measuring time for the voltage to reach a predetermined limit value every time the switch is closed, determining, in response to the measured time, a coarse value of the position of the movable core, measuring at the intervals of wider pulses the voltage at maximum steady-state value of the current through the coil, determining, in response to the measured voltage at maximum steady-state value, a coil temperature compensation coefficient, and compensating the coarse value of the position of the core with the coefficient to obtain a fine value of the position of the core.
    • 一种用于确定连接到线圈(3)中的芯(2)的可移动操作机构(1)的位置的车辆,计算机程序,计算机程序产品和车辆(A)中的方法,包括以下步骤: 产生更短脉冲的间隔和更宽脉冲的间隔以反复关闭开关(4),每当开关闭合时测量电压达到预定极限值的时间,则根据测量的时间确定粗略值 可动铁芯的位置以较宽脉冲的间隔测量电流通过线圈的最大稳态值的电压,根据最大稳态值下的测量电压确定线圈温度补偿系数, 并且利用系数补偿芯的位置的粗略值,以获得芯的位置的精细值。
    • 3. 发明申请
    • POSITION SENSOR FOR VEHICLE MECHANISM
    • 车辆机构位置传感器
    • WO2006006916A1
    • 2006-01-19
    • PCT/SE2005/001072
    • 2005-07-01
    • SCANIA CV AB (PUBL)JIEWERTZ, Sten
    • JIEWERTZ, Sten
    • G01D5/20
    • G01D11/245F16D25/088F16D25/12F16D25/126F16D2048/0212F16D2300/18
    • Position sensor (30) for detecting the shifting of positions of a component (20) capable of moving to and fro in an actuator (10) for a vehicle mechanism (80). The position sensor has a stationary sensor body (32) and a movable sensor body (52) which is connectable to the component (20) and is adapted to moving with the component (20) between positions close to and away from the stationary sensor body (32). The stationary sensor body (32) is further adapted to being relocatable against friction force to new stationary positions in a guide bushing (14) in response to wear of the vehicle mechanism (80). In order to make it unnecessary to subject the movable sensor body (52) to mechanical load and in order thereby to enable it to cooperate in a contact-free manner with the stationary sensor body, it is inter alia proposed according to the invention that the stationary sensor body (32) be adapted to being shifted by a free end (24) of the component (20) to new stationary positions and that the movable sensor body (52) be adapted to moving at a distance from the stationary sensor body.
    • 位置传感器(30),用于检测能够在用于车辆机构(80)的致动器(10)中来回移动的部件(20)的位置偏移。 位置传感器具有固定传感器主体(32)和可移动的传感器主体(52),可移动传感器主体(52)可连接到部件(20),并适于与部件(20)在靠近和远离固定传感器体 (32)。 固定传感器主体(32)还适于响应于车辆机构(80)的磨损而抵抗摩擦力重新定位在引导衬套(14)中的新的静止位置。 为了不需要使可动传感器主体(52)承受机械载荷,并且为了使其能够以无接触的方式与固定传感器主体协作,尤其根据本发明提出, 固定传感器主体(32)适于被部件(20)的自由端(24)移动到新的固定位置,并且可移动传感器主体(52)适于在距固定传感器主体一定距离的位置移动。
    • 4. 发明申请
    • FLUID POWER CONTROL SYSTEM
    • 流体动力控制系统
    • WO2008118072A1
    • 2008-10-02
    • PCT/SE2008/050302
    • 2008-03-18
    • SCANIA CV AB (PUBL)JIEWERTZ, Sten
    • JIEWERTZ, Sten
    • F16K31/06F15B13/044
    • F15B11/08F15B11/006F15B2211/20538F15B2211/30575F15B2211/427F15B2211/527F15B2211/7052
    • A fluid power control system has a seat valve (10, 10') comprising a first port (12), a second port (14), a valve body (16) biased by a spring (20) to a closed valve position and subjected to a fo rce in an opening direction when said first port is pressurized, and an electromagnet (22) capable of moving said valve body to an open valve position when energized. The system has also a pressure source (30), a fluid power actuator (40), a fluid line (32) fo r communicating pressurized fluid from the pressure source between the valve and the actuator, and an electronic control unit (50) for energizing the electromagnet by electric current pulses having a varying pulse ratio. To provide a system that uses a seat valve (10, 10') of the on-off type which is capable of controlling the actuator (40) in a proportional manner, the first port (12) is exclusively a fluid inlet port and the second port (14) is exclusively a fluid outlet port.
    • 流体动力控制系统具有座阀(10,10'),其包括第一端口(12),第二端口(14),由弹簧(20)偏压到闭合阀位置的阀体(16),并经受 当所述第一端口被加压时朝向打开方向的方向;以及电磁体(22),当通电时能够将所述阀体移动到打开的阀位置。 该系统还具有压力源(30),流体动力致动器(40),在压力源和致动器之间连通加压流体的流体管线(32),以及电子控制单元(50),用于 通过具有变化的脉冲比的电流脉冲激励电磁体。 为了提供使用能够以比例的方式控制致动器(40)的开 - 关式的座阀(10,10')的系统,第一端口(12)仅仅是流体入口端口,并且 第二端口(14)仅为流体出口。
    • 5. 发明申请
    • CLUTCH WEAR INDICATING ASSEMBLY AND CLUTCH ACTUATOR
    • 离合器表示组装和离合器执行器
    • WO2006041350A1
    • 2006-04-20
    • PCT/SE2005/001263
    • 2005-08-30
    • SCANIA CV AB (PUBL)JIEWERTZ, Sten
    • JIEWERTZ, Sten
    • F16D25/12
    • F16D13/75F16D25/126F16D2300/18
    • A sensor assembly capable of signaling a position between a first sensor body (26) and a second sensor body (30) in an automotive clutch. The second sensor body, responsive to clutch wear is gradually displaceable to new positions by a reciprocable clutch actuator component (20) including the first sensor body (26). For the sensor assembly to be capable also of signaling a worn clutch, the assembly, in combina-tion, has means (14) for preventing further displacement of the second sensor body (30) at an end position corresponding to a critical wear state of the clutch, and com-pliant means (40) to be compressed between the actuator component (20) and the second sensor body (30) when the second sensor body (30) has reached the end position. The assembly is thereby capable of signaling a position between said sen-sor bodies (26, 30) that is indicative of said critical wear state.
    • 传感器组件,其能够在汽车离合器中的第一传感器主体(26)和第二传感器主体(30)之间的位置发信号。 响应于离合器磨损的第二传感器主体通过包括第一传感器主体(26)的可往复运动的离合器致动器部件(20)逐渐移位到新的位置。 为了使传感器组件能够指示磨损的离合器,组合件组合具有用于防止第二传感器主体(30)在对应于关键磨损状态的终端位置处的进一步移位的装置(14) 离合器和柔性装置(40)在第二传感器体(30)到达终点位置时被压缩在致动器部件(20)和第二传感器主体(30)之间。 因此组件能够发出指示所述临界磨损状态的所述传感器主体(26,30)之间的位置。