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1. 发明授权

US4942351A System for monitoring a level of material, device therefor and methods of making the same 失效
标题翻译：用于监控材料级别的装置，其装置及其制作方法
公开(公告)号：US4942351A
公开(公告)日：1990-07-17
申请号：US329437
申请日：1989-03-28
申请人： Paul D. Kronau
发明人： Paul D. Kronau
IPC分类号： G01F23/00 , G01F23/26
CPC分类号： G01F23/263 , G01F23/0023
摘要： A system for monitoring a level of material held in a confining means, a device therefor and methods of making the same are provided, the system comprising a rotatable reel, an electrically operated motor operatively interconnected to the reel for causing rotation of the reel in either direction of rotation thereof, a flexible support wound on the reel and having a free end, a probe operatively interconnected to the free end of the support to be carried thereby, a brake operatively interconnected to the reel for holding the reel stationary when the brake is in one condition thereof, and a control unit operatively interconnected to the motor and to the brake for causing the brake and the motor to raise and lower the probe by winding up the support on the reel and unwinding the support from the reel, the motor comprising an electrically operated stepper motor.
摘要翻译：提供了一种用于监测保持在限制装置中的材料的水平的系统，其装置及其制造方法，所述系统包括可旋转卷轴，可操作地互连到卷轴的电动马达，用于使卷轴旋转在旋转方向，缠绕在卷轴上的柔性支撑件，并具有自由端，可操作地连接到待承载的支撑件的自由端的探针;与制动器可操作地相连的制动器，用于当制动器为在其一个状态下，以及控制单元，其可操作地互连到电动机和制动器，用于使制动器和电动机通过将支撑件卷绕在卷轴上并使卷轴松开来升高和降低探针，马达包括电动步进电机。

2. 发明授权

US08223027B2 Wireless tank monitoring system having satellite communications capability 有权
标题翻译：具有卫星通信能力的无线水箱监控系统
公开(公告)号：US08223027B2
公开(公告)日：2012-07-17
申请号：US10996804
申请日：2004-11-24
申请人： Patrick A. Jenkins , Paul D. Kronau , Wojtek Miller
发明人： Patrick A. Jenkins , Paul D. Kronau , Wojtek Miller
IPC分类号： G08B21/00
CPC分类号： H04B7/18513
摘要： A wireless tank monitoring system for remotely monitoring a plurality of storage tanks is provided. This tank monitoring system utilizes wireless communication from individual tank level monitors to a single SatComm Gateway. The SatComm Gateway then utilizes a low-Earth Orbit satellite constellation to transmit information to a central data collection center. The data collection center then provides access to this information to clients. These clients also have the capability of controlling individual monitors via the bi-directional communications path through the satellite link to the SatComm Gateway to the individual monitors. The SatComm Gateway packages the information from each of the monitors to optimize the communications through the satellite link to decrease the cost of transmission. Intrinsic safety is provided by each of the individual tank level monitors.
摘要翻译：提供一种用于远程监测多个储罐的无线罐监视系统。这种油罐监控系统利用从单个油罐液位监测器到单个SatComm网关的无线通信。然后，SatComm网关利用低地球轨道卫星星座将信息传输到中央数据采集中心。然后，数据收集中心向客户端提供对此信息的访问。这些客户端还具有通过双向通信路径控制各个监视器的能力，通过卫星链路将SatComm网关连接到各个监视器。 SatComm Gateway将来自每个监视器的信息进行封装，以通过卫星链路优化通信，从而降低传输成本。每个坦克液位监视器都提供本质安全。

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