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    • 4. 发明授权
    • Device and process for measuring the velocity of flow of a fluid using pulse signal generated based on feedback
    • 使用基于反馈产生的脉冲信号来测量流体流速的装置和过程
    • US07823444B2
    • 2010-11-02
    • US12241610
    • 2008-09-30
    • Ulf ZschernackHenning GerderHartmut Stark
    • Ulf ZschernackHenning GerderHartmut Stark
    • G01F1/68
    • G01P5/12A61B5/0878G01F1/684G01F1/698G01F15/028
    • A device is provided for measuring the velocity of flow of a fluid in a respiration system and includes a first thermal sensor element (5) provided with a controllable heating element (50) and a second thermal sensor element (6). The thermal sensor elements (5, 6) are arranged at spaced locations from one another at a path of flow, so that a thermal signal generated by the first sensor element (5) with the heating element (50) is transmitted to the second sensor element (6), and the second sensor element (6) is designed to detect the thermal signal from the fluid flow. The second sensor element (6) is connected to the first sensor element (5) via feedback (12) which triggers another thermal signal. A controlling and analyzing device (13, 15) is connected to the sensor elements (5, 6) to start the generation of a first thermal signal and to read and analyze the signal frequency as an indicator of the velocity of flow.
    • 提供了一种用于测量呼吸系统中的流体的流速的装置,并且包括设置有可控加热元件(50)和第二热传感器元件(6)的第一热传感器元件(5)。 热传感器元件(5,6)在流动路径处彼此间隔开地布置,使得由第一传感器元件(5)与加热元件(50)产生的热信号被传送到第二传感器 元件(6),第二传感器元件(6)被设计成检测来自流体流的热信号。 第二传感器元件(6)通过触发另一个热信号的反馈(12)连接到第一传感器元件(5)。 控制和分析装置(13,15)连接到传感器元件(5,6)以开始产生第一热信号,并且读取和分析信号频率作为流速的指标。
    • 5. 发明授权
    • Measuring gas cell for a device for measuring the concentration of a paramagnetic gas
    • 测量用于测量顺磁性气体浓度的装置的气室
    • US06895802B2
    • 2005-05-24
    • US10679892
    • 2003-10-06
    • Hartmut StarkAlfred KelmGünter SteinertHans HansmannPeter Dreyer
    • Hartmut StarkAlfred KelmGünter SteinertHans HansmannPeter Dreyer
    • G01N25/18G01N27/74
    • G01N25/18G01N27/74
    • A highly compact measuring gas cell for a device for measuring the concentration of a paramagnetic gas on the basis of the change in the thermal conductivity of the paramagnetic gas, which is brought about by a change in the magnetic field. The measuring gas cell has a bottom plate (1) that carries a measuring element (1.4) for the detection of the thermal conductivity of the measured gas, electric leads, an electric measuring gas cell heater (1.2) and a temperature-dependent electric sensor element (1.3) for the detection of the temperature of the measuring gas cell. A channel plate (2) is cut out for the gas guide in the area of the measuring element (1.4) and around the measuring element (1.4). A cover plate (3), seals the measuring gas cell in the upward direction and has at least two holes for the inlet and outlet of the gas into and out of the gas guide of the channel plate (2).
    • 一种高度紧凑的测量气室,用于根据由磁场变化引起的顺磁性气体导热率的变化来测量顺磁性气体浓度的装置。 测量气体单元具有底板(1),该底板(1)承载用于检测测量气体的热导率的测量元件(1.4),电引线,电测气室加热器(1.2)和温度依赖性电传感器 元件(1.3),用于检测测量气体单元的温度。 在测量元件(1.4)的区域和测量元件(1.4)的周围,为气体引导件切出通道板(2)。 盖板(3)沿向上方向密封测量气体单元,并且具有至少两个孔,用于进入和离开通道板(2)的气体引导件的气体的入口和出口。
    • 6. 发明授权
    • Device for measuring the flow in a fluid channel
    • 用于测量流体通道中的流量的装置
    • US5677484A
    • 1997-10-14
    • US565356
    • 1995-11-30
    • Hartmut Stark
    • Hartmut Stark
    • G01F1/688G01F1/696G01F1/698G01F1/68
    • G01F1/6888G01F1/696G01F1/698
    • A device for measuring the flow of a fluid in a fluid channel, with at least one thermocouple, whose thermojunctions are arranged one behind the other in the direction of flow of the fluid and are maintained at a working temperature higher than the fluid temperature by means of an ac power source 9. The thermocouple is connected to a measuring circuit evaluating the thermocouple voltage U.sub.T. Continuous measurement with high accuracy is possible with a measuring circuit having a switching network, by which the ac power source is connected to the thermocouple at least during the measurement phase, and by which the ac voltage components superimposed to the thermocouple voltage are eliminated by subtraction.
    • 一种用于测量流体通道中流体流动的装置,具有至少一个热电偶,其热连接在流体的流动方向上一个接一个地布置,并且通过装置保持在高于流体温度的工作温度 交流电源9.热电偶连接到评估热电偶电压UT的测量电路。 具有开关网络的测量电路可以进行高精度的连续测量,交流电源至少在测量阶段期间将交流电源连接到热电偶,通过减法来消除叠加到热电偶电压上的交流电压分量 。
    • 8. 发明授权
    • Device and process for guiding a person along a path traveled
    • 沿着路径引导人的设备和过程
    • US07209036B2
    • 2007-04-24
    • US11101308
    • 2005-04-07
    • Jörg-Uwe MeyerFrank SattlerHenning GerderUdo BeckmannHartmut StarkHans Matthiessen
    • Jörg-Uwe MeyerFrank SattlerHenning GerderUdo BeckmannHartmut StarkHans Matthiessen
    • G08B1/08
    • H04B1/034G01C21/20G01S13/82
    • A device for guiding a person along a traveled path enables the wearer of the device to be guided back along the traveled path in an electronically supported manner even under conditions under which orientation is difficult. The device has a portable ejection means (2), in which a container (14) for accommodating a plurality of transponders (7) and an ejection mechanism (10), which is actuated by a control device (6) to eject a transponder (7) from the container (14), are present. A control unit (6) is prepared such as to actuate the ejection mechanism (10) at predetermined time intervals or at predetermined distances in space. A portable transmitter/receiver device (8) is designed to detect at least one of the transponders (7) dropped off and to generate a signal representative of the direction in which that transponder (7) is located. A portable display device (4) receives the direction signal of the transmitter/receiver means (8) and offers the wearer a visual and/or acoustic display of the direction.
    • 用于沿着行进路径引导人的装置使得装置的穿戴者能够以电子支撑的方式沿着行进的路径被引导回来,即使在取向困难的条件下也是如此。 该装置具有便携式喷射装置(2),其中容纳多个应答器(7)和弹出机构(10)的容器(14),其由控制装置(6)致动以弹出应答器( 存在来自容器(14)的7)。 准备控制单元(6),以便以预定的时间间隔或在空间中以预定的距离致动排出机构(10)。 便携式发射机/接收机设备(8)被设计为检测应答器(7)中的至少一个掉线并产生代表该应答器(7)所在方向的信号。 便携式显示设备(4)接收发射器/接收器装置(8)的方向信号,并为佩戴者提供方向的视觉和/或声学显示。
    • 9. 发明授权
    • Process for operating a thermocouple to measure velocity or thermal
conductivity of a gas
    • 用于操作热电偶以测量气体的速度或热导率的工艺
    • US6086251A
    • 2000-07-11
    • US74774
    • 1998-05-08
    • Hartmut Stark
    • Hartmut Stark
    • G01F1/688G01F1/698G01N25/18G01N7/02G01P5/10
    • G01N25/18G01F1/6888G01F1/698
    • A process for operating a thermocouple (2), which is arranged in a gas atmosphere and is maintained at a working temperature that is increased compared with the gas temperature by means of an a.c. power source (11). The determination of the thermal power introduced into the gas atmosphere and the temperature measurement are made possible with one measuring element. The thermocouple voltage is compared with a predetermined reference voltage U.sub.B arising from the working temperature of the thermocouple, a difference signal is formed between the thermocouple voltage and the reference voltage U.sub.B, and the a.c. power source (11)is influenced with the difference signal such that the thermocouple voltage is maintained at a constant value relative to the reference voltage U.sub.B.
    • 一种用于操作热电偶(2)的方法,该热电偶(2)布置在气体气氛中,并且通过一个直流电压保持在与气体温度相比增加的工作温度。 电源(11)。 通过一个测量元件可以确定引入气体气氛的热功率和温度测量。 将热电偶电压与由热电偶的工作温度产生的预定参考电压UB进行比较,在热电偶电压和参考电压UB之间形成差分信号,并且, 电源(11)受到差分信号的影响,使得热电偶电压相对于参考电压UB保持在恒定值。
    • 10. 发明授权
    • Device for measuring the concentration of paramagnetic gases
    • 用于测量顺磁性气体浓度的装置
    • US08596109B2
    • 2013-12-03
    • US13020403
    • 2011-02-03
    • Hartmut StarkPeter DreyerAlfred KelmGünter SteinertAnja Künzel
    • Hartmut StarkPeter DreyerAlfred KelmRalf DöringGünter Steinert
    • G01N27/74
    • G01N27/74G01N25/18G01N33/497
    • A device for measuring the concentrations of paramagnetic gases in a gas sample has at least one modulatable magnetic flux source, which has an air gap, to which a gas sample can be fed. A controllable power source, for generating current and voltage signals, is coupled with the modulatable magnetic flux source in order to generate a modulatable magnetic flux within the air gap. Two measuring points are arranged at least partly within the air gap. Each measuring point has an electrically controllable heating device and a heat conduction-measuring unit or resistive measuring device. Each measuring point is coupled with a variable power source to heat the heating device to a working temperature. Each measuring point is coupled with a measuring circuit to measure heat conduction measured signals generated by the heat conduction-measuring unit, from which the concentrations of paramagnetic gases, which are contained in the gas sample, can be derived.
    • 用于测量气体样品中顺磁气体浓度的装置具有至少一个可调节的磁通源,该磁通源具有气隙,气体样品可供给气隙。 用于产生电流和电压信号的可控电源与可调制的磁通源耦合,以在气隙内产生可调节的磁通量。 两个测量点至少部分地布置在气隙内。 每个测量点都具有电气可控制的加热装置和热传导测量单元或电阻测量装置。 每个测量点与可变电源耦合,以将加热装置加热至工作温度。 每个测量点与测量电路耦合,以测量由热传导测量单元产生的热传导测量信号,可以从中导出气体样品中包含的顺磁性气体的浓度。