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1. 发明授权

US06832516B1 Integral ultrasonic liquid level continuous transmitter with independent high-level discrete alarm point level 有权
标题翻译：积分超声波液位连续变送器具有独立的高级离散报警点级别
公开(公告)号：US06832516B1
公开(公告)日：2004-12-21
申请号：US10679236
申请日：2003-10-03
申请人： Naim Dam , William Allhusen , Glen Melder
发明人： Naim Dam , William Allhusen , Glen Melder
IPC分类号： G01F23284
CPC分类号： G01F23/2962
摘要： An ultrasonic liquid level sensor instrument that combines a continuous transmitter that transmits though the air for measuring the level of liquid in a vessel on a continuous basis and a point level sensor that sets a high level alarm. The continuous level transmitter/receiver provides a continuous measurement of the liquid level in the vessel and the point level sensor is used for sensing an overflow, or high level condition in the vessel, as well as failure of the continuous transmitter/receiver. The instrument includes a sensor fixture that holds both the continuous air transmitter/receiver transducer and the point level sensor. The fixture is mounted in a single hole in the wall of a tank or a vessel in which the liquid level is being monitored. Each of the continuous level transmitter/receiver and point level sections of the instrument has a self check capability.
摘要翻译：一种超声波液位传感器仪器，其结合了连续发射器，其通过空气传输，用于连续测量容器中的液体水平，以及设置高水平报警的点液位传感器。连续水平发射器/接收器提供对容器中液位的连续测量，并且点电平传感器用于感测容器中的溢流或高电平状态，以及连续发射器/接收器的故障。该仪器包括一个传感器固定装置，用于连接空气传感器/接收器传感器和点式传感器。固定装置安装在罐或其中正在监测液位的容器的壁中的单个孔中。仪器的每个连续级发射器/接收器和点电平部分都具有自检功能。

2. 发明授权

US07694560B1 Non-invasive bottom up continuous liquid level transmitter 有权
标题翻译：非侵入式自下而上连续液位变送器
公开(公告)号：US07694560B1
公开(公告)日：2010-04-13
申请号：US11810785
申请日：2007-06-07
申请人： Naim Dam , Andre Granin , Glen Melder
发明人： Naim Dam , Andre Granin , Glen Melder
IPC分类号： G01F23/28
CPC分类号： G01F23/2962
摘要： Apparatus for measuring the level of liquid in a container has a substrate on which a plurality of piezoelectric elements are mounted that are to transmit ultrasonic energy upwardly through the bottom of a container placed on and supported by the substrate into the container and to receive ultrasonic energy reflected back from the liquid/air interface within the container from which the round trip time can be measured and the liquid level calculated. The plurality of piezoelectric elements are of predetermined shapes and mounted spaced apart on the substrate in an array to accommodate containers with different shape bottoms.
摘要翻译：用于测量容器中液体水平的装置具有一基板，多个压电元件安装在该基板上，该多个压电元件将向上通过放置在基板上并由基板支撑的容器的底部向上传送超声波能量，并接收超声波能量从可以测量往返时间的容器内的液体/空气界面反射回来并计算液位。多个压电元件具有预定形状，并且以阵列方式安装在基板上间隔开以容纳具有不同形状底部的容器。

3. 发明授权

US06781287B1 Non-contacting ultrasonic transducer 有权
标题翻译：非接触式超声波换能器
公开(公告)号：US06781287B1
公开(公告)日：2004-08-24
申请号：US10178151
申请日：2002-06-24
申请人： Naim Dam , Glen Melder
发明人： Naim Dam , Glen Melder
IPC分类号： H01L4108
CPC分类号： G01F23/2968
摘要： An ultrasonic transducer for sensing liquid within an article, such as a vassel or pipe, without contacting the liquid has a body, a sealed capsule of a flexible material containing a liquid capable of transmitting ultrasonic energy carried by the body from which a head portion of the capsule extends to contact a wall of the article. Within the body is a piezo-electric element in contact with a portion of the sealed capsule to transmit ultrasonic energy to and receive energy from the liquid in said capsule as it passes through the capsule head without the need for a coupling compound.
摘要翻译：一种超声换能器，用于感测物品（例如血管或管道）内的液体而不接触液体，其具有主体，柔性材料的密封胶囊，其包含能够传递由身体携带的超声能量的液体，胶囊延伸以接触物品的壁。在身体内部是与密封胶囊的一部分接触的压电元件，以在其通过胶囊头时将超声能量从所述胶囊中的液体传递并接收能量，而不需要耦合化合物。

4. 发明授权

US07694570B1 Non-invasive dry coupled disposable/reusable ultrasonic sensor 有权
标题翻译：非侵入式干式连接一次性/可重复使用的超声波传感器
公开(公告)号：US07694570B1
公开(公告)日：2010-04-13
申请号：US11731212
申请日：2007-03-30
申请人： Naim Dam , Andre Granin , Glen Melder
发明人： Naim Dam , Andre Granin , Glen Melder
IPC分类号： G01N29/00 , H01L41/00
CPC分类号： H01L41/08 , G01F1/662 , G01F23/296 , G01F23/2968 , G01N29/02 , G01N29/28 , G01N2291/02836 , G01N2291/044 , G01N2291/2634
摘要： A non-invasive dry coupled disposable/reusable ultrasonic sensor has a housing and a piezoelectric element at one end of the housing to which connected signal leads are connected that extend out from the housing. A piece of double-sided adhesive tape has one adhesive side secured directly to the face at the one end of the housing with the other adhesive side to be secured directly to the outer surface of a pipe or vessel. The tape can cover the entire face of the one end of the housing or only that part that the piezoelectric element faces.
摘要翻译：非侵入式干式耦合一次性/可重复使用的超声波传感器在外壳的一端具有壳体和压电元件，连接的信号引线从外壳延伸出外壳。一片双面胶带具有一个粘合剂侧面，直接固定在壳体一端的表面，另一个粘合剂侧被直接固定在管子或容器的外表面上。带可以覆盖壳体的一端的整个表面或仅覆盖压电元件所面对的那部分。

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