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1. 发明授权

US4962328A Charge amplifier circuit with drift compensation 失效
标题翻译：充电放大器电路具有漂移补偿
公开(公告)号：US4962328A
公开(公告)日：1990-10-09
申请号：US301086
申请日：1989-01-25
申请人： Gerhard Woss , Klaus Leitmeier
发明人： Gerhard Woss , Klaus Leitmeier
IPC分类号： F02B75/02 , H03F1/30 , H03F3/70
CPC分类号： H03F3/70 , H03F1/303 , F02B2075/025
摘要： A charge amplifier circuit for balancing drift between periodically occurring measured signals includes a drift-compensating device with a sample/hold unit which is triggered by a trigger device in accordance with the period of the measured signals. The trigger device is connected for supplying trigger pulses, so that the drift at an output of the charge amplifier, determined at the end of a compensation period, can be taken into account by the sample/hold unit to supply a compensating current to an input of the charge amplifier. The triggering of the sample/hold unit can be performed by external or internal triggering arrangements, so that simple measurements can be undertaken without a large outlay of equipment.
摘要翻译：用于平衡周期性测量信号之间的漂移的电荷放大器电路包括具有采样/保持单元的漂移补偿装置，该采样/保持单元根据测量信号的周期由触发装置触发。触发装置被连接用于提供触发脉冲，使得在补偿周期结束时确定的电荷放大器的输出处的漂移可被采样/保持单元考虑以向输入端提供补偿电流的电荷放大器。采样/保持单元的触发可以通过外部或内部触发装置执行，从而可以在没有大量设备的情况下进行简单的测量。

2. 发明授权

US5027645A Measuring device for determining distance 失效
标题翻译：用于确定距离的测量装置
公开(公告)号：US5027645A
公开(公告)日：1991-07-02
申请号：US391508
申请日：1989-07-21
申请人： Klaus Leitmeier , Gerhard Woss , Rudolf Zeiringer
发明人： Klaus Leitmeier , Gerhard Woss , Rudolf Zeiringer
IPC分类号： F02D45/00 , G01B5/00 , G01B7/14 , G01D5/241 , G01M15/04 , G01M15/06
CPC分类号： G01B7/14 , G01B5/003 , G01D5/2417 , G01M15/06
摘要： To improve the measuring sensitivity of a measuring device to determine theistance between an electrically conducting part, which can be moved in a defined chamber, and a reference point, in particular to determine the upper dead point of the piston of an internal combustion engine, with an electronic evaluation circuit, in which a capacitive sensor can be positioned in a holding device, held in the wall of the chamber, and is connected to an evaluation circuit, the invention provides that the evaluation circuit has a measuring bridge, fed by an oscillator by means of output potential dependent switching elements, with at least two capacitors, that the sensor head of the sensor and the movable part, in particular the piston of the internal combustion engine form one of the two capacitors, and that there is a differential amplifier to which the transverse voltage, which can be picked off the measuring bridge, can be led, and that the outputs of the differential amplifier control the output potentials of the potential-dependent switching elements.
摘要翻译： PCT No.PCT / AT88 / 00101 Sec。 371日期1989年7月21日 102（e）日期1989年7月21日PCT提交1988年11月23日PCT公布。出版物WO89 / 05447 日期1989年6月15日。为了提高测量装置的测量灵敏度，以确定可以在限定的腔室中移动的导电部件与参考点之间的距离，特别是确定具有电子评估电路的内燃机的活塞，其中电容式传感器可以被定位在保持装置中，保持在室的壁中，并且连接到评估电路，本发明提供了评估电路测量桥，由具有输出电位相关的开关元件的振荡器馈送，具有至少两个电容器，传感器的传感器头和可移动部分，特别是内燃机的活塞形成两个电容器之一并且有一个差分放大器可以引导可以从测量桥中取出的横向电压，并且差分放大器的输出 ifier控制电位依赖的开关元件的输出电位。

3. 发明授权

US5247834A Density measuring apparatus 失效
标题翻译：密度测量装置
公开(公告)号：US5247834A
公开(公告)日：1993-09-28
申请号：US651947
申请日：1990-02-09
申请人： Gerhard Woss
发明人： Gerhard Woss
IPC分类号： G01N9/12 , G01N9/00 , G01N9/14
CPC分类号： G01N9/14
摘要： A simple and mechanically-rugged calculation or monitoring of the density of fluids, particularly of fuels serving the purpose of driving an internal-combustion engine, provides that a buoyant member is immersed into the fluid under examination, the buoyancy thereof being balanced out via a load applied with a spring. A capacitor that is dependent on the buoyancy and, therefore, on the density of the fluid under examination is formed between the buoyant member and the housing that holds the spring and is filled with the fluid under examination, the capacitor being monitored via a circuit arrangement.
摘要翻译：对于特别是用于驱动内燃机的燃料的流体的密度的简单和机械坚固的计算或监测，提供了将浮力构件浸入被检查的流体中，其浮力通过负载施加弹簧。在浮力构件和保持弹簧的壳体之间形成依赖于浮力的因此考虑的流体的密度的电容器，并且被充满被检查的流体填充，电容器经由电路装置。

4. 发明授权

US4370884A Operational testing device for inlet valves and outlet valves of reciprocating engines 失效
标题翻译：往复式发动机入口阀和出口阀的操作测试装置
公开(公告)号：US4370884A
公开(公告)日：1983-02-01
申请号：US215069
申请日：1980-12-10
申请人： Gerhard Woss , Erich Schreiber
发明人： Gerhard Woss , Erich Schreiber
IPC分类号： F01L1/46 , F02B77/08 , G01H3/00 , G01M13/00 , G01L3/26 , G01L5/13 , G01M15/00
CPC分类号： G01M13/00 , F01L1/46 , F02B77/082 , G01H3/00
摘要： An operational testing device for inlet valves and outlet valves of reciprocating engines which are separately driven for an operational test comprises at least one microphone arranged in the inlet pipe and at least one microphone arranged in the outlet pipe of the engine, a combined amplifier and electronic filter, and a gate circuit to which the signals of the microphones are supplied after passing the amplifier and electronic filter. To enable a clear identification of the microphone signals of a defective valve as compared to signals generated by valve noise and extraneous noise, a gate circuit is controlled according to the crank angle of the engine, at least one limit value switch is provided to which the signal is forwarded via the gate circuit in a predetermined crank angle area, and an interpretive circuit is controlled according to the crank angle, actuated by the output signal of the limit value switch and allocating the output signal to the particular valve causing the signal.
摘要翻译：用于运行测试的单独驱动的往复式发动机的入口阀和出口阀的操作测试装置包括布置在入口管中的至少一个麦克风和布置在发动机的出口管中的至少一个麦克风，组合放大器和电子滤波器和通过放大器和电子滤波器之后提供麦克风的信号的门电路。为了能够与由阀噪声和外来噪声产生的信号相比，能够清楚地识别故障阀的麦克风信号，根据发动机的曲柄转角来控制门电路，至少提供一个限位值开关，信号经由门电路在预定的曲柄角区域中转发，并且解释电路根据由限位开关的输出信号驱动的曲柄角度进行控制，并将输出信号分配给特定的阀，从而产生信号。

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