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    • 4. 发明授权
    • Method of controlling the yarn tension in a weaving machine
    • 控制织机纱线张力的方法
    • US5669421A
    • 1997-09-23
    • US537558
    • 1995-10-02
    • Frank LehnertGodert De Jager
    • Frank LehnertGodert De Jager
    • D03D47/34D03D49/18
    • D03D49/18D03D47/34Y10S706/90Y10S706/904
    • A control curve is calculated for controlling the yarn tension including warp and weft yarn tensions in a weaving loom by comparing a previously determined yarn tension curve with a desired value for the yarn tension curve. The control characteristic is optimized by continuous iteration. A further optimization of the yarn tension curve takes place by taking account of variable parameters in the yarn tension curve, for example yarn breakage analysis, beat-up force of the reed, and/or shed change. The control device for performing the method can be implemented with conventional logic. The method automatically carries out in an advantageous manner for weft and warp yarns a matching to the optimum yarn tension as a function of time on the basis of preselected parameter values.
    • 通过将以前确定的纱线张力曲线与纱线张力曲线的期望值进行比较,计算控制曲线以控制织造织机中的经纱和纬纱张力的纱线张力。 通过连续迭代优化控制特性。 通过考虑纱线张力曲线中的可变参数,例如纱线断裂分析,芦苇的踩踏力和/或脱落变化,进行纱线张力曲线的进一步优化。 用于执行该方法的控制装置可以用常规逻辑来实现。 该方法基于预先选择的参数值,以有利的方式自动执行纬纱和经纱与最佳纱线张力的匹配作为时间的函数。
    • 7. 发明申请
    • AUTOMATED FUNCTIONAL DIAGNOSIS
    • 自动功能诊断
    • US20140067135A1
    • 2014-03-06
    • US14111812
    • 2012-04-11
    • Frank LehnertPeter Schmidlin
    • Frank LehnertPeter Schmidlin
    • F24F11/00
    • F24F11/006F16K31/042F16K37/0041F16K37/005F24F11/30F24F11/32F24F11/62F24F13/1426F24F2110/30F24F2110/40F24F2140/40
    • The invention is based on an HVAC (heating, ventilation and air-conditioning) system which comprises the following components: a) a fluid flow duct (1), b) a fluid flow valve (7) which is arranged therein and has a valve body (5) in the fluid flow duct (1) and a valve motor (15) which moves the valve body (5), c) a control circuit for activating the valve motor, d) a sensor (8) in the fluid flow duct (1) and e) an evaluation module for evaluating signals of the sensor. In order to produce an automated functional control, the following procedure is adopted: f) a first actuation signal is preset for the valve motor by the control circuit, and the actuation signal corresponds to a first setpoint position of the valve body (5), g) registration of a first signal of the sensor (8) by the evaluation module, and h) determination of a functional diagnosis of the fluid flow valve on the basis of the first signal of the sensor.
    • 本发明基于HVAC(加热,通风和空调)系统,其包括以下组件:a)流体流动管道(1),b)流体流动阀(7),其布置在其中并具有阀 流体管道(1)中的阀体(5)和阀体(5)的阀马达(15),c)用于启动阀马达的控制电路,d)流体流中的传感器 管道(1)和e)用于评估传感器的信号的评估模块。 为了产生自动功能控制,采用以下步骤:f)由控制电路为阀马达预先设定第一致动信号,并且致动信号对应于阀体(5)的第一设定点位置, g)通过评估模块对传感器(8)的第一信号进行注册,以及h)基于传感器的第一信号来确定流体流量阀的功能诊断。
    • 9. 发明申请
    • Device for measuring and regulating a volume flow in a ventilation pipe
    • 用于测量和调节通风管中体积流量的装置
    • US20110105012A1
    • 2011-05-05
    • US12921207
    • 2009-02-19
    • Urs NiederhauserFrank LehnertEgli EgliPhilip Holoch
    • Urs NiederhauserFrank LehnertEgli EgliPhilip Holoch
    • F24F11/04
    • A device for measuring a volume flow in a ventilation pipe (1) comprises a mounting (8) that can be fixed in the ventilation pipe (1) and a sensor element (13) having a sensor surface (18.1), said element being disposed on the mounting (8) and configured as a thermal anemometer. Upstream of the sensor element (13) is a turbulence-generating element, for example in the form of a break-away edge (17.1), which is configured and disposed at a distance from the sensor surface (18.1) such that highly turbulent flow is generated in the region of the sensor surface (18.1) in a targeted manner. Downstream of the sensor surface (18.1) is a flow element (20), which widens in the cross-section thereof in the flow direction (L), wherein starting from a height level of the sensor surface (18.1) a height is reached that is greater than the height of the break-away edge (17.1) opposite the sensor surface (18.1).
    • 用于测量通气管(1)中的体积流量的装置包括可固定在通气管(1)中的安装件(8)和具有传感器表面(18.1)的传感器元件(13),所述元件被设置 在安装(8)上并配置为热风速计。 传感器元件(13)的上游是湍流产生元件,例如以分离边缘(17.1)的形式,其构造和设置在离传感器表面(18.1)一定距离处,使得高度湍流 以目标方式在传感器表面(18.1)的区域中产生。 传感器表面(18.1)的下游是在流动方向(L)的横截面上变宽的流动元件(20),其中从传感器表面(18.1)的高度开始,达到高度 大于与传感器表面(18.1)相对的脱离边缘(17.1)的高度。
    • 10. 发明申请
    • Measuring module for rapid measurement of electrical, electronic and mechanical components at cryogenic temperatures and measuring device having such a module
    • 用于在低温下快速测量电气,电子和机械部件的测量模块以及具有这种模块的测量装置
    • US20090146676A1
    • 2009-06-11
    • US12292970
    • 2008-12-02
    • Olivier ZogmalDaniel Guy BaumannFrank Lehnert
    • Olivier ZogmalDaniel Guy BaumannFrank Lehnert
    • G01R31/02
    • F25D19/006F25B9/14F25D2600/04
    • Measuring module for the measurement of an object (6), having a measuring chamber (4), with a contact element (5a, 5b), wherein the object to be measured (6) is thermally connected to a first contact surface (9a) of the contact element (5a, 5b), and having a cold head (1b, 2b, 2c) that can be thermally connected to a second contact surface (9b) of the contact element (5a, 5b), wherein the contact element (5a, 5b) consists of material with high thermal conductivity, characterized in that the cryo-refrigerator (1a, 2a) together with the cold head is housed in a refrigerating chamber (3) that is physically separated from the measuring chamber (4) and can be evacuated separately from the latter, and the contact element (5a, 5b) is thermally insulated from the outside wall of the measuring module, is part of a separating wall between the measuring chamber (4) and the refrigerating chamber (3), and makes a local thermal connection between the measuring chamber (4) and the refrigerating chamber (3), and with a contacting mechanism to vary heat flow in the hermetically sealed condition of the measuring module. With such a measuring module, cooling times and heating times of the object to be measured can be greatly reduced.
    • 用于测量具有接触元件(5a,5b)的测量室(4)的物体(6)的测量模块,其中被测量物体(6)热连接到第一接触表面(9a) 的接触元件(5a,5b),并且具有能够与所述接触元件(5a,5b)的第二接触表面(9b)热连接的冷头(1b,2b,2c)),其中所述接触元件 5a,5b)由具有高导热性的材料组成,其特征在于,冷冻冰箱(1a,2a)与冷头一起容纳在与测量室(4)物理分离的冷藏室(3)中, 可以与后者分离地抽出,并且接触元件(5a,5b)与测量模块的外壁热绝缘,是测量室(4)和冷藏室(3)之间的分隔壁的一部分, 并且在测量室(4)和冷藏室之间进行局部热连接 (3),并且具有接触机构以改变测量模块的气密密封状态下的热流。 通过这样的测量模块,可以大大降低被测量物体的冷却时间和加热时间。