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    • 14. 发明授权
    • Circuit configuration for inductive displacement measurement
    • 感应位移测量的电路配置
    • US07492148B2
    • 2009-02-17
    • US10575659
    • 2004-10-15
    • Bernhard Miller
    • Bernhard Miller
    • G01B7/14H01F5/04
    • G01D5/2006G01D3/036G01D5/248
    • A circuit configuration for inductive displacement measurement using a sensor whose inductance changes as a function of the displacement to be measured, and having an evaluation circuit to which the sensor is connected. The sensor is connected between a first operational amplifier and a series connection of a second operational amplifier and a resistor. The first operational amplifier is switchable over between two specified voltages and the second operational amplifier is operable to adjust a specified constant voltage at the connecting point between the resistor and the sensor, and the output of the second operational amplifier is connected to an input of a comparator whose other input is switchable over between two specified voltages. The output signal of the comparator effecting the switchover of these voltages and the voltages of the first operational amplifier, and is the measuring output signal of the circuit configuration at the same time.
    • 一种用于感应位移测量的电路配置,其使用传感器,其电感随着待测量位移的变化而变化,并具有连接传感器的评估电路。 传感器连接在第一运算放大器和第二运算放大器和电阻器的串联连接之间。 第一运算放大器可在两个指定电压之间切换,并且第二运算放大器可操作以在电阻器和传感器之间的连接点处调整指定的恒定电压,并且第二运算放大器的输出连接到 其他输入可在两个指定电压之间切换的比较器。 比较器的输出信号进行这些电压的切换和第一运算放大器的电压,同时是电路配置的测量输出信号。
    • 20. 发明授权
    • Air-suspension system for vehicles, having a throttle
    • 具有节气门的车辆空气悬架系统
    • US07568713B2
    • 2009-08-04
    • US11476394
    • 2006-06-27
    • Falk HeckerGuenther FechtWinfried GeigerFriedbert Roether
    • Falk HeckerGuenther FechtWinfried GeigerFriedbert Roether
    • B60G11/26
    • B60G17/0155B60G17/0525B60G2202/152B60G2400/252B60G2400/61B60G2500/20B60G2500/202B60G2500/2021B60G2500/30B60G2800/20
    • An air-suspension system for vehicles, in particular for commercial vehicles, including at least one air-bellows valve assigned to an air-spring bellows or a group of air-spring bellows of the front axle for individually aerating and venting this air-spring bellows or this group of air-spring bellows; at least one air-bellows valve assigned to an air-spring bellows or a group of air-spring bellows of the rear axle for individually aerating and venting this air-spring bellows or this group of air-spring bellows; as well as at least one central aeration valve for supplying the air-bellows valves assigned to the air-spring bellows of the front axle and the rear axle with compressed air from a compressed-air supply; and at least one central venting valve for exhausting compressed air from the air-bellows valves assigned to the air-spring bellows of the front axle and the rear axle, to an air vent. The system provides that the compressed-air communication between, on one side, the compressed-air supply, the central aeration valve, and the at least one air-bellows valve assigned to the front axle and, on the other side, the air vent, the central venting valve, and the at least one air-bellows valve assigned to the rear axle take place via at least one throttle.
    • 用于车辆的空气悬架系统,特别是用于商用车辆的空气悬架系统,包括至少一个分配给空气弹簧波纹管的空气波纹管或前轴的一组空气弹簧波纹管,用于单独地充气和排放该空气弹簧 波纹管或这组空气弹簧波纹管; 分配给空气弹簧波纹管或后桥的一组空气弹簧波纹管的至少一个空气波纹管阀,用于单独地充气和排放该空气弹簧波纹管或这组空气弹簧波纹管; 以及至少一个中央曝气阀,用于从压缩空气供应源提供分配给前轴和后桥的空气弹簧波纹管的空气波纹管的压缩空气; 以及至少一个中央排气阀,用于从分配给前轴和后轴的空气弹簧波纹管的空气波纹管阀排出压缩空气到排气口。 该系统提供压缩空气之间的连通,压缩空气供应源,中央曝气阀和分配给前轴的至少一个空气波纹管阀,另一侧是通气孔 ,中央排气阀和分配给后桥的至少一个空气波纹管通过至少一个节气门进行。